■ Statistics

s   Journal papers --- 165

s   Conference papers --- 259

s   Patents --- 17

■ List

(A) Journal papers

1.       W. H. Tsai and K. S. Fu (1979). "A pattern deformational model and Bayes error-correcting recognition system," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-9, No. 12, pp. 745-756. (SCI, EI)

2.       W. H. Tsai and K. S. Fu (1979). "Error-correcting isomorphisms of attributed relational graphs for pattern analysis," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-9, No. 12, pp. 757-768. (SCI, EI)

3.       W. H. Tsai and K. S. Fu (1980). "Attributed grammar -a tool for combining syntactic and statistical approaches to pattern recognition," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-10, No. 12, pp. 873-885. (SCI, EI) ; also in Context-Directed Pattern Recognition and Machine Intelligence Techniques for Information Processing, Y. H. Pao and G. W. Ernst (Eds.), IEEE Computer Society Press, Silver Spring, Maryland, U.S.A., pp. 79-91.

4.       W. H. Tsai (1981). "An introduction to pattern recognition applications and principles," Computer Quarterly, Vol. 15, No. 3 and 4, pp. 41-52 (in Chinese).

5.       W. H. Tsai and K. S. Fu (1983). "Subgraph error-correcting isomorphism for syntactic pattern recognition," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-13, pp. 48-62. (SCI, EI)

6.       T. C. Fan and W. H. Tsai (1984). "Automatic Chinese seal identification," Computer Vision, Graphics, and Image Processing, Vol. 25, pp. 311-330. (SCI, EI)

7.       C. C. Shen and W. H. Tsai (1985). "A graph matching approach to optimal task assignment in distributed computing systems using a minimax criterion," IEEE Transactions on Computers, Vol. C-34, No. 3, pp. 197-203. (SCI, EI)

8.       W. H. Tsai (1985). "Moment-preserving thresholding: a new approach," Computer Vision, Graphics, and Image Processing, Vol. 29, No. 3, pp. 377-393. (SCI, EI) ; also in Document image analysis, L. O'Gorman and R. Kasturi (Eds.), IEEE Computer Society Press, Los Alamitos, CA, USA, pp. 44-60.

9.       W. H. Tsai and S. S. Yu (1985). "Attributed string matching with merging for shape recognition," IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. PAMI-7, No. 4, pp. 453-462. (SCI, EI)

10.    W. H. Tsai, S. I. Gao and N. Y. Yeh (1986). "3-D object recognition by line features using binocular images," Information Science and Engineering (now Journal of Information Science and Engineering), Vol. 2, No. 1, pp. 99-123. (SCI, EI)

11.    H. L. Chou and W. H. Tsai (1986). "A new approach to robot location by house corners," Pattern Recognition, Vol. 19, No. 6, pp. 439-451. (SCI, EI) (13th Annual Best Paper Award, Pattern Recognition Society of U. S. A)

12.    W. H. Tsai and Y. C. Chen (1986). "Adaptive navigation of automated vehicles by image analysis techniques," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-16, No. 5, pp. 730-740. (SCI, EI)

13.    C. M. Chen and W. H. Tsai (1986). "Automatic identification of Chinese seal imprints with arbitrary or partial shapes," Computer Processing of Chinese and Oriental Languages, Vol. 2, No. 4, pp. 216-233.

14.    K. C. Chang and W. H. Tsai (1987). "3-D object inspection from multiple 2-D camera views," International Journal of Pattern Recognition and Artificial Intelligence, Vol. 1, No. 1, pp. 85-102. (SCI, EI)

15.    M. Y. Lin and W. H. Tsai (1987). "Removing the ambiguity of phonetic Chinese input by the relaxation technique," Computer Processing of Chinese and Oriental Languages, Vol. 3, No. 1, pp. 1-24.

16.    J. J. Leou and W. H. Tsai (1987). "Automatic rotational symmetry determination for shape analysis," Pattern Recognition, Vol. 20, No. 6, pp. 571-582. (SCI, EI)

17.    L. H. Chen and W. H. Tsai (1988). "Moment-preserving line detection," Pattern Recognition, Vol. 21, No. 1, pp. 45-53. (SCI, EI)

18.    L. H. Chen and W. H. Tsai (1988). "Moment-preserving sharpening --- A new approach to picture deblurring," Computer Vision, Graphics, and Image Processing, Vol. 41, No. 1, pp. 1-13. (SCI, EI)

19.    L. H. Chen and W. H. Tsai (1988). "Moment-preserving curve detection," IEEE Transactions on Systems, Man, and Cybernetics, Vol. SMC-18, No. 1, pp. 148-158. (SCI, EI)

20.    L. L. Wang and W. H. Tsai (1988). "Optimal assignment of task modules with precedence for distributed processing by graph matching and state-space search," BIT, Vol. 28, No. 1, pp. 54-68. (SCI)

21.    C. K. Fan and W. H. Tsai (1988). "Automatic word identification in Chinese sentences by the relaxation technique," Computer Processing of Chinese and Oriental Languages, Vol. 4, No. 1, pp. 35-56.

22.    J. J. Leou and W. H. Tsai (1989). "Robot monitoring by computer vision - a survey," Journal of Computers, Vol. 1, No. 2, pp. 10-21.

23.    Y. T. Tsay and W. H. Tsai (1989). "Model-guided attributed string matching by split-and-merge for shape recognition," International Journal of Pattern Recognition and Artificial Intelligence, Vol. 4, No. 2, pp. 159-179. (SCI, EI)

24.    S. T. Liu and W. H. Tsai (1989). "Moment-preserving clustering," Pattern Recognition, Vol. 22, No. 4, pp. 433-447. (SCI, EI)

25.    M. C. Yang and W. H. Tsai (1989). "Recognition of 3-D curved object using 2-D cross- sectional slice shapes," Image and Vision Computing, Vol. 7, No. 3, pp. 210-216. (SCI, EI)

26.    L. H. Chen and W. H. Tsai (1989). "Moment-preserving techniques in image processing-a survey and new approaches," Proceedings of National Science Council, Republic of China (Part A), Vol. 13, No. 5, pp. 280-301. (EI)

27.    J. J. Leou and W. H. Tsai (1989). "New sensing strategies for monitoring moving polyhedral objects by machine vision," IEEE Transactions on Systems, Man and Cybernetics, Vol. SMC-19, No. 4, pp. 872-880. (SCI, EI)

28.    J. J. Leou and W. H. Tsai (1989). "Optimal sensor arrangement for robot operation monitoring by machine vision," International Journal of Robotics and Automation, Vol. 4, No. 2, pp. 81-121. (SCI, EI)

29.    S. Y. Chen and W. H. Tsai (1989). "Robot location using surface patches of curved objects," International Journal of Robotics and Automation, Vol. 4, No. 3, pp. 123-133. (SCI, EI)

30.    W. H. Tsai (1990). "Combining statistical and structural methods," in Syntactic and Structural Pattern Recognition - Theory and Applications, H. Bunke and A. Sanfeliu (Eds.), World Scientific Publication Co., Singapore, pp. 349-366.

31.    J. J. Leou and W. H. Tsai (1990). "The minimum feature point set representing a convex polyhedron," Pattern Recognition Letters, Vol. 11, No. 3, pp. 225-229. (SCI, EI)

32.    C. H. Liu and W. H. Tsai (1990). "3-D curved object recognition from multiple 2-D camera views," Computer Vision, Graphics, and Image Processing, Vol. 50, No. 2, pp. 177-187. (SCI, EI)

33.    R. Lee, P. C. Lu, and W. H. Tsai (1990). "Robot location using single views of rectangular shapes," Photogrammetric Engineering and Remote Sensing, Vol. 56, No. 2, pp. 231-238. (SCI, EI)

34.    C. S. Chen and W. H. Tsai (1990). "A new fast one-pass thinning algorithm and its parallel hardware implementation," Pattern Recognition Letters, Vol. 11, No. 7, pp. 471-477. (SCI, EI)

35.    L. L. Wang and W. H. Tsai (1990). "Computing camera parameters using vanishing line information from a rectangular parallelepiped," Machine Vision and Applications, Vol. 3, No. 3, pp. 129-141. (SCI, EI)

36.    K. P. Tang and W. H. Tsai (1990). "Infrared target detection and tracking by region correspondence in image sequences," Journal of Information Science and Engineering, Vol. 6, No. 1, pp. 1-24. (SCI, EI)

37.    R. Lee, P. C. Lu, and W. H. Tsai (1990). "Moment-preserving detection of elliptical shapes in gray-scale images," Pattern Recognition Letters, Vol. 11, No. 6, pp. 405-414. (SCI, EI)

38.    L. H. Chen and W. H. Tsai (1990). "A survey on moment-preserving techniques in image processing," in Essays on Computer Vision and Related Topics: in Memory of Dr. K. S. Fu, J. T. Tou (Ed.), Institute of Information Science, Academia Sinica, Taipei, Taiwan, Republic of China, pp. 388-432.

39.    S. T. Liu and W. H. Tsai (1990). "Moment-preserving corner detection," Pattern Recognition, Vol. 23, No. 5, pp. 411-421. (SCI, EI)

40.    S. Y. Chen and W. H. Tsai (1990). "A systematic approach to analytic determination of camera parameters by line features," Pattern Recognition, Vol. 23, No. 8, pp. 859-877. (SCI, EI)

41.    S. S. Yu and W. H. Tsai (1990). "A new thinning algorithm for gray-scale images by the relaxation technique," Pattern Recognition, Vol. 23, No. 10, pp. 1067- 1076. (SCI, EI)

42.    C. K. Fan and W. H. Tsai (1990). "Relaxation-based word identification for removing the ambiguity in phonetic Chinese input," International Journal of Pattern Recognition and Artificial Intelligence, Vol. 4, No. 4, pp. 651-666. (SCI, EI)

43.    Y. R. Chen and W. H. Tsai (1990). "Monitoring of nonperiodical robot operations by 3-D computer vision," Journal of Information Science and Engineering, Vol. 6, No. 4, pp. 425-443. (SCI, EI)

44.    S. C. Jeng and W. H. Tsai (1990). "Fast generalized Hough transform," Pattern Recognition Letters, Vol. 11, No. 11, pp. 725-733. (SCI, EI)

45.    W. H. Tsai and S. L. Chou (1991). "Detection of generalized principal axes in rotationally symmetric shapes," Pattern Recognition, Vol. 24, No. 2, pp. 95-104. (SCI, EI)

46.    S. Y. Chen and W. H. Tsai (1991). "Determination of robot locations by common object shapes," IEEE Transactions on Robotics and Automation, Vol. 7, No. 1, pp. 149-156. (SCI, EI)

47.    L. L. Wang and W. H. Tsai (1991). "Camera calibration by vanishing lines for 3D computer vision," IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 13, No. 3, pp. 370-376. (SCI, EI)

48.    R. Lee, S. Y. Chen, P. C. Lu, and W. H. Tsai (1991). "Flying object location using a single view of a semi-circle running track," Proceedings of National Science Council (Part A), Republic of China, Vol. 15, No. 1, pp. 40-50. (EI)

49.    L. L. Wang and W. H Tsai (1991). "Collision Avoidance by a modified least-mean- square-error classification scheme for indoor autonomous land vehicle navigation," Journal of Robotic Systems, Vol. 8, No. 5, pp. 677-698. (SCI, EI)

50.    C. F. Lin and W. H. Tsai (1991). "Motion planning for multiple robots with multi-mode operations via disjunctive graphs," Robotica, Vol. 9, pp. 393-408. (SCI, EI)

51.    S. L. Chou and W. H. Tsai (1991). "Recognizing handwritten Chinese characters by stroke -segment matching using an iteration scheme," International Journal of Pattern Recognition and Artificial Intelligence, Vol. 5, No. 1 & 2, pp. 175-197 (SCI, EI) ; also in Character and Handwriting Recognition, P. S. P. Wang, Ed., World Scientific Publishing Co., Singapore, 1991, pp. 175-198.

52.    S. D. Cheng and W. H. Tsai (1991). "Model-based guidance of autonomous land vehicles in indoor environments by structured light using vertical line information," Journal of Electrical Engineering, Vol. 34, No. 6, pp. 441-452.

53.    S. L. Chou, J. C. Lin, and W. H. Tsai (1991). "Fold principal axis - a new tool for defining the orientations of rotational symmetric shapes," Pattern Recognition Letters, Vol. 12, No. 2, pp. 109-115. (SCI, EI)

54.    S. C. Jeng and W. H. Tsai (1991). "Scale-and orientation-invariant generalized Hough transform - a new approach," Pattern Recognition, Vol. 24, No. 11, pp. 1037-1052. (SCI, EI)

55.    C. F. Lin and W. H. Tsai (1991). "Trajectory modeling, collision detection, and motion planning for two robot manipulators," International Journal of Robotics and Automation, Vol. 6, No. 4, pp. 193-209. (SCI, EI)

56.    S. S. Yu and W. H. Tsai (1992). "Relaxation by the Hopfield neural network," Pattern Recognition, Vol. 25, No. 2, pp. 197-209. (SCI, EI)

57.    J. C. Lin, S. L. Chou, and W. H. Tsai (1992). "Detection of rotationally symmetric shape orientations by fold-invariant shape-specific points," Pattern Recognition, Vol. 25, No. 5, pp. 473-482. (SCI, EI)

58.    R. Y. Wu and W. H. Tsai (1992). "A new one-pass parallel thinning algorithm for binary images," Pattern Recognition Letters, Vol. 13, No. 10, pp. 715-723. (SCI, EI)

59.    R. Y. Wu and W. H. Tsai (1992). "A single-layer neural network for parallel thinning," International Journal of Neural Systems, Vol. 3, No. 4, pp. 395-404. (SCI, EI)

60.    Y. T. Tsay and W. H. Tsai (1993). "Attributed string matching by split-and-merge for on-line Chinese character recognition," IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 15, No. 2, pp. 180-185. (SCI, EI)

61.    L. L. Wang, P. Y. Ku, and W. H. Tsai (1993). "Model-based guidance by the longest common subsequence algorithm for indoor autonomous vehicle navigation," Automation in Construction, Vol. 2, pp. 123-137. (SCI, EI)

62.    S. C. Cheng and W. H. Tsai (1993). "A neural network implementation of the moment-preserving technique and its application to thresholding," IEEE Transactions on Computers, Vol. 42, No. 4, pp. 501-507. (SCI, EI)

63.    H. S. Hsu and W. H. Tsai (1993). "Moment-preserving edge detection and its application to image data compression," Optical Engineering, Vol. 32, No. 7, pp. 1596-1608. (SCI, EI)

64.    S. L. Chou and W. H. Tsai (1993). "Line segment matching for 3-D computer vision using a new iteration scheme," Machine Vision and Applications, Vol. 6, pp. 191-205. (SCI, EI)

65.    S. L. Chou and W. H. Tsai (1993). "On-line Chinese character recognition through stroke-segment matching using a new discrete iteration scheme," Computer Processing of Chinese and Oriental Languages, Vol. 7, No. 1, pp. 1-20.

66.    L. H. Chen and W. H. Tsai (1993). "Location of curved edges to subpixel values," Journal of the Chinese Institute of Engineers, Vol. 16, No. 5, pp. 589-601. (SCI, EI)

67.    S. C. Cheng and W. H. Tsai (1993). "Image compression using adaptive multilevel block truncation coding," Journal of Visual Communication and Image Representation, Vol. 4, No. 3, pp. 225-241. (SCI, EI)

68.    Y. M. Su and W. H. Tsai (1994). "Autonomous land vehicle guidance for navigation in building corridors and elevators by computer vision, radio, and photoelectric sensing techniques," Journal of the Chinese Institute of Engineers, Vol. 17, No. 1, pp. 63-73. (SCI, EI)

69.    J. C. Lin and W. H. Tsai (1994). "Feature-preserving clustering of 2D data for two-class problems using analytical formulas: an automatic and fast approach," IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 16, No. 5, pp. 554-560. (SCI, EI)

70.    C. H. Liu and W. H. Tsai (1994). "Recognizing cylindrical objects by single camera views," Computers and Mathematics with Applications, Vol. 27, No. 8, pp. 101-117. (SCI, EI)

71.    R. Y. Wu and W. H. Tsai (1994). "Extracting structural features from binary images by neural networks," Computer Processing of Chinese and Oriental Languages, Vol. 8, No. 1, pp. 53-73.

72.    S. C. Cheng and W. H. Tsai (1994). "Image compression using moment-preserving edge detection," Pattern Recognition, Vol. 27, No. 11, pp. 1439-1449. (SCI, EI)

73.    R. Y. Wu and W. H. Tsai (1994). "Parallel thinning by a recurrent neural network," Journal of Information Science and Engineering, Vol. 10, No. 2, pp. 221-237. (SCI, EI)

74.    J. C. Lin, W. H. Tsai, and J. A. Chen (1994). "Detecting numbers of folds and orientations in shapes by a simple mathematical property," Pattern Recognition Letters, Vol. 15, pp. 1081-1088. (SCI, EI)

75.    C. F. Lin and W. H. Tsai (1995). "Optimal assignment of robot tasks with precedence for multi-robot coordination by disjunctive graphs and state-space search," Journal of Robotic Systems, Vol. 12, No. 4, pp. 219-236. (SCI, EI)

76.    C. K. Yang and W. H. Tsai (1995). "Improving block truncation coding by line and edge information and adaptive bit plane selection for gray-scale image compression," Pattern Recognition Letters, Vol. 16, pp. 67-75. (SCI, EI)

77.    R. C. Lo and W. H. Tsai (1995). "Gray-scale Hough transform for thick line detection in gray-scale images," Pattern Recognition, Vol. 28, No. 5, pp. 647-662. (SCI, EI)

78.    C. K. Yang, T. C. Wu, J. C. Lin and W. H. Tsai (1995). "Color image sharpening by moment-preserving technique," Signal Processing, Vol. 45, pp. 397-403. (SCI, EI)

79.    C. K. Yang and W. H. Tsai (1996). "Reduction of color space dimensionality by moment-preserving thresholding and its application for edge detection in color images," Pattern Recognition Letters, Vol. 17, pp. 481-490. (SCI, EI)

80.    R. C. Lo and W. H. Tsai (1996). "Color image detection and matching using modified generalized Hough transform," IEE Proceedings-Vision, Image and Signal Processing, Vol. 143, No. 4, pp. 201-209. (SCI, EI)

81.    R. C. Lo and W. H. Tsai (1997). "Perspective-transform-invariant generalized Hough transform for perspective shape detection and matching," Pattern Recognition, Vol. 30, No. 3, pp. 383-396. (SCI, EI)

82.    J. C. Y. Yang and W. H. Tsai (1997). "Suppression of Moiré patterns in scanned halftone images by double scans with grid movements," Pattern Recognition Letters, Vol. 18, pp. 213-227. (SCI, EI)

83.    C. K. Yang, J. C. Lin, and W. H. Tsai (1997). "Color image compression by moment-preserving and block truncation techniques," IEEE Transactions on Communications, Vol. 45, No. 12, pp. 1513-1516. (SCI, EI)

84.    K. H. Chen and W. H. Tsai (1997). “Vision-based autonomous land vehicle guidance in outdoor environments using combined line and road following techniques,” Journal of Robotic Systems, Vol. 14, No. 10, pp. 711-728. (SCI, EI)

85.    C. K. Yang and W. H. Tsai (1998). “Color image compression using quantization, thresholding, and edge detection techniques all based on the moment-preserving principle,” Pattern Recognition Letters, Vol. 19, pp. 205-215. (SCI, EI)

86.    J. C. Y. Yang and W. H. Tsai (1998). “Suppression of Moiré patterns in scanned halftone images,” Signal Processing, Vol. 70, No. 1, pp. 23-42. (SCI, EI)

87.    G. Y. Chen and W. H. Tsai (1998). "An incremental-learning-by-navigation approach to vision-based autonomous land vehicle guidance in indoor environments using vertical line information and multi-weighted generalized Hough transform," IEEE Transactions on Systems, Man, and Cybernetics - Part B: Cybernetics, Vol. 28, No. 5, pp. 740-748. (SCI, EI)

88.    K H. Chen and W. H. Tsai (1998). “Vision-based guidance for autonomous land vehicle navigation in outdoor road environments with static and moving cars,” Proceedings of National Science Council (Part A), Republic of China, Vol. 22, No. 5, pp. 691-702. (EI)

89.    D. C. Wu and W. H. Tsai (1998). “Data hiding in images via multiple-based number conversion and lossy compression,” IEEE Transactions on Consumer Electronics, Vol. 44, No. 4, pp.1406-1412. (SCI, EI)

90.    Z. F. Yang and W. H. Tsai (1998). “Using parallel line information for vision-based landmark location estimation and an application to automatic helicopter landing,” Robotics and Computer-Integrated Manufacturing, Vol. 14, pp. 297-306. (SCI, EI)

91.    Y. C. Tseng and W. H. Tsai (1998).“Form segmentation and component classification for clinic data image analysis,” Journal of Computers, Vol. 10, No. 1, pp. 27-45.

92.    C. H. Ku and W. H. Tsai (1999). “Smooth vision-based autonomous land vehicle navigation in indoor environments by person following using sequential pattern recognition,” Journal of Robotic Systems, Vol. 16, No. 5, pp. 249-262. (SCI, EI)

93.    C. H. Ku and W. H. Tsai (1999). “Obstacle avoidance for autonomous land vehicle navigation in indoor environments by quadratic classifier,” IEEE Transactions on Systems, Man, and Cybernetics --- Part B: Cybernetics, Vol. 29, No. 3, pp. 416-426. (SCI, EI)

94.    Z. F. Yang and W. H. Tsai (1999). “Viewing corridors as right parallelepipeds for vision-based vehicle localization,” IEEE Transactions on Industrial Electronics, Vol. 46, No. 3, pp. 653-661. (SCI, EI)

95.    C. C. Lai and W. H. Tsai (1999). “Estimation of moving vehicle locations using wheel shape information in single 2-D lateral vehicle images by 3-D computer vision techniques,” Robotics and Computer Integrated Manufacturing, Vol. 15, pp. 111-120. (SCI, EI)

96.    C. C. Chang and W. H. Tsai (1999). “Reliable determination of object pose from line features by hypothesis testing,” IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 21, No. 11, pp. 1235-1241. (SCI, EI)

97.    G. Y. Chen and W. H. Tsai (1999) “A new approach to vision-based unsupervised learning of unexplored indoor environment for autonomous land vehicle navigation,” Robotics and Computer-Integrated Manufacturing, Vol. 15, pp. 353-364. (SCI, EI)

98.    D. C. Wu and W. H. Tsai (1999). “Embedding of any type of data in images based on a human visual model and multiple-based number conversion,” Pattern Recognition Letters, Vol. 20, pp. 1511-1517. (SCI, EI)

99.    D. C. Wu and W. H. Tsai (2000). “Spatial-domain image hiding using an image differencing ,” IEE Proceedings -Vision, Image and Signal Processing, Vol. 147, No. 1, pp. 29-37. (SCI, EI)

100. T. S. Chuang, J. C. Lin and W. H. Tsai (2000). “A new efficient approach to image hiding,” Pattern Recognition and Image Analysis (EI), Vol. 10, No. 3, pp. 309-314.

101. J. C. Y. Yang and W. H. Tsai (2000). “Document image segmentation and quality improvement by moiré pattern analysis,” Signal Processing: Image Communication, Vol. 15, pp. 781-797. (SCI, EI)

102. K H. Chen and W. H. Tsai (2000). “Vision-based obstacle detection and avoidance for autonomous land vehicle navigation in outdoor roads,” Automation in Construction, Vol. 10, pp. 1-25. (SCI, EI)

103. C. H. Tzeng and W. H. Tsai (2000).“Compression of Chinese characters base on rectangular region partitioning and contour information encoding,” International Journal of Computer Processing of Oriental Languages, Vol. 13, No. 2, pp. 177-202.

104. C. C. Chang and W. H. Tsai (2001). “Vision-based tracking and interpretation of human leg movement for virtual reality applications,” IEEE Transactions on Circuits and Systems for Video Technology, Vol. 11, No. 1, pp. 9-24. (SCI, EI)

105. C. H. Ku and W. H. Tsai (2001). “Obstacle avoidance in person following for vision-based autonomous land vehicle guidance using vehicle location estimation and quadratic pattern classifier,” IEEE Transactions on Industrial Electronics, Vol. 48, No. 1, pp. 205-215. (SCI, EI)

106. C. C. Chang and W. H. Tsai (2002). “Determination of head pose and facial expression from a single perspective view by successive scaled orthographic approximations,” International Journal of Computer Vision, Vol. 46, No. 3, pp. 179-199. (SCI, EI)

107. C. C. Lai and W. H. Tsai (2002). “Camera calibration with respect to computer monitors using eye-glasses with a laser pointer for virtual reality applications,” Pattern Recognition and Image Analysis (EI), Vol. 12, No. 1, pp. 80-96.

108. C. C. Lin and W. H. Tsai (2003). “Visual cryptography for gray-level images by dithering techniques,” Pattern Recognition Letters, Vol. 24, No. 1-3, pp. 349-358. (SCI, EI)

109. Z. F. Yang and W. H. Tsai (2003). "Watermark approach to embedded signature-based authentication by channel statistics," Optical Engineering, Vol. 42, No. 4, pp. 1157-1165. (SCI, EI)

110. D. C. Wu and W. H. Tsai (2003). “A steganographic method for images by pixel-value differencing,” Pattern Recognition Letters, Vol. 24, No. 9-10, pp. 1623-1636. (SCI, EI)

111. C. C. Lin and W. H. Tsai (2003). “Secret image sharing with capability of share data reduction,” Optical Engineering, Vol. 42, No. 8, pp. 2340-2345. (SCI, EI)

112. C. H. Tzeng and W. H. Tsai (2003). “A new approach to authentication of binary images for multimedia communication with distortion reduction and security enhancement,” IEEE Communications Letters, Vol. 7, No. 9, pp. 443- 445. (SCI, EI)

113. C. H. Tzeng, Z. F. Yang, and W. H. Tsai (2004). “Adaptive data hiding in palette images by color ordering and mapping with security protection,” IEEE Transactions on Communications, Vol. 52, No. 4, pp. 791-800. (SCI, EI)

114. C. H. Tzeng and W. H. Tsai (2004). “A combined approach to integrity protection and verification of palette images using fragile watermarks and digital signatures,” IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E87-A, No. 6, pp. 1612-1619. (SCI, EI)

115. C. C. Lin and W. H. Tsai (2004). “Secret multimedia information sharing with data hiding capability by simple logic operations,” Pattern Recognition and Image Analysis, Vol. 14, No. 4, pp. 594-600. (EI)

116. C. C. Lin and W. H. Tsai (2004/11-12). “Secret image sharing with steganography and authentication,” Journal of Systems & Software, Vol. 73, No. 3, pp. 405-414. (SCI, EI)

117. C. H. Ku and W. H. Tsai (2004). “Robust trajectory planning for target following vision-based autonomous land vehicle guidance,” Journal of Navigation, Vol. 57, pp.103-116. (SCI)

118. Y. C. Chiu and W. H. Tsai (2006/05). "Copyright Protection by Watermarking for Color Images against Print-and-Scan Operations Using Coding and Synchronization of Peak Locations in Discrete Fourier Transform Domain," Journal of Information Science and Engineering, Vol. 22, No. 3, pp. 483-496. (SCI, EI)

119. T. Y. Liu and W. H. Tsai (2007/03). "A New steganographic method for data hiding in Microsoft Word documents by a change tracking technique," IEEE Transactions on Information Forensics and Security, Vol. 2, No. 1, pp. 24-30 (SCI, EI).

120. I. S. Lee and W. H. Tsai (2007/08). "Data hiding in binary images with distortion-minimizing capabilities by optimal block pattern coding and dynamic programming techniques," IEICE Transactions on Information and Systems, Vol. E90-D, No. 8, pp. 1142-1150. (SCI, EI)

121. S. W. Jeng and W. H. Tsai (2007/05). "Improving quality of unwarped omni-images with irregularly-distributed unfilled pixels by a new edge-preserving interpolation technique," Pattern Recognition Letters, Vol. 28, No. 15, pp. 1926-1936. (SCI, EI)

122. S. W. Jeng and W. H. Tsai (2007/06). "Using pano-mapping tables to unwarping of omni-images into panoramic and perspective-view Images," IET Image Processing, Vol. 1, No. 2, pp. 149-155. (SCI, EI)

123. S. W. Jeng and W. H. Tsai (2008/07). "A robust and accurate calibration method by computer vision techniques for coordinate transformation between display screens and their images," Journal of Information Science and Engineering, Vol. 24, No. 4, pp. 1197-1211 (SCI, EI).

124. S. W. Jeng and W. H. Tsai (2008/05). "Analytic image unwarping by a systematic calibration method for omni-directional cameras with hyperbolic-shaped mirrors," Image and Vision Computing, Vol. 26, No. 5, pp. 690-701. (SCI, EI)

125. I. S. Lee and W. H. Tsai (2008/09). "Data hiding in emails and applications by unused ASCII control codes," Journal of Information Technology and Applications, Vol. 3, No. 1, pp. 13-24.

126. I. S. Lee and W. H. Tsai (2008/11). "Secret communication through web pages using special codes in HTML files," International Journal of Applied Science and Engineering, Vol. 6, No. 2, pp. 141-149.

127. C. J. Wu and W. H. Tsai (2009/05). "Location Estimation for Indoor Autonomous Vehicle Navigation by Omni-Directional Vision Using Circular Landmarks on Ceilings," Robotics and Autonomous Systems, Vol. 57, No. 5, pp. 546-555. (SCI, EI)

128. D. C. Wu and W. H. Tsai (2009/04). “Image verification for digital rights management using fragile watermarks based on a human visual model,” Journal of Computers, Vol. 20, No. 1.

129. I. S. Lee and W. H. Tsai (2009/07). "Data hiding in grayscale images by dynamic programming based on a human visual model," Pattern Recognition, Vol. 42, No. 7, pp. 1604-1611. (SCI, EI)

130. T. Y. Liu and W. H. Tsai (2009). “Robust watermarking in slides of presentations by blank space coloring: a new approach,” LNCS Transactions on Data Hiding and Multimedia Security IV - Lecture Notes in Computer Science (LNCS), Vol. 5510, Y. Q. Shi (ed.), Springer, Berlin/Heidelberg, Germany, pp. 49-64.

131. C. J. Wu and W. H. Tsai (2009/08). "Unwarping of images taken by misaligned omni-cameras without camera calibration by curved quadrilateral morphing using quadratic pattern classifiers," Optical Engineering, Vol. 48, No. 8, 087003-1~11.

132. C. J. Wu and W. H. Tsai (2009/09). “A novel method for lateral vehicle localization by omni-cameras for car driving assistance,” Knowledge-Based and Intelligent Information and Engineering Systems (KES 2009) - Lecture Notes in Computer Science (LNCS), Vol. 5712, J. D. Velázquez et al. (eds.), Springer, Berlin/Heidelberg, Germany, pp. 403-410.

133. C. J. Wu and W. H. Tsai (2009/09). “Adaptation of space-mapping methods for object location estimation to camera setup changes — a new study,” Knowledge-Based and Intelligent Information and Engineering Systems (KES 2009) - Lecture Notes in Computer Science (LNCS), Vol. 5712, J. D. Velázquez et al. (eds.), Springer, Berlin/Heidelberg, Germany, pp. 395-402.

134. I. S. Lee and W. H. Tsai (2010/01). "Security protection of software programs by information sharing and authentication techniques using invisible ASCII control codes," International Journal of Network Security, Vol. 10, No. 1, pp. 1-10.

135. I. S. Lee and W. H. Tsai (2010/02). "A new approach to covert communication via PDF Files," Signal Processing, Vol. 90, No. 2, pp. 557-565.

136. C. W. Lee and W. H. Tsai (2010/03). "A lossless data hiding method by histogram shifting based on an adaptive block division scheme," in Pattern Recognition and Machine Vision – in Honor and Memory of the Late Professor King-Sun Fu, Patrick S. P. Wang (Ed.), River Publishers, Aalborg, Denmark, pp. 1–14.

137. T. Y. Liu and W. H. Tsai (2010/05). "Generic lossless visible watermarking -- a new approach," IEEE Transactions on Image Processing, Vol. 19, No. 5, pp. 1224-1235.

138. K. C. Chen and W. H. Tsai (2010/09). "Guidance of indoor vision-based autonomous vehicles for security patrolling by a SIFT-based vehicle localization technique using along-path object information," IEEE Transactions on Vehicular Technology, Vol. 59, No. 7, Sept. 2010, pp. 3261-3271.

139. T. Y. Liu and W. H. Tsai (2010/12). "Quotation authentication: a new approach and efficient solutions by data hiding and cascaded hashing techniques," IEEE Transactions on Information Forensics and Security, Vol. 5, No. 4, Dec. 2010, pp. 945-954.

140. S. E. Shih and W. H. Tsai (2011/01). “A new two-omni-camera system with a console table for versatile 3D vision applications and its automatic adaptation to imprecise camera setups,” Advances in Multimedia Modeling (MMM 2011) - Lecture Notes in Computer Science (LNCS), Vol. 6523, K. T. Lee, W. H. Tsai, H. Y. M. Liao, T. Chen, J. W. Hsieh and T. T. Tseng. (eds.), Springer, Berlin/Heidelberg, Germany, pp. 193-205.

141. T. Y. Liu and W. H. Tsai (2011/05). "Data hiding in graphic drawings by structures of object groupings," Journal of Information Science and Engineering, Vol. 27, No. 3, pp. 983-994.

142. C. W. Lee and W. H. Tsai (2011/07). "A lossless large-volume data hiding method based on histogram shifting using an optimal hierarchical block division scheme," Journal of Information Science and Engineering, Vol. 27, No. 4, pp. 1265-1282.

143. I. J. Lai and W. H. Tsai (2011/09). “Secret-fragment-visible mosaic image — a new computer art and its application to information hiding,” IEEE Transactions on Information Forensics and Security, Vol. 6, No. 3, pp. 936-945.

144. Y. T. Kuo and W. H. Tsai (2011/09). “A new 3D imaging system using a portable two-camera omni-imaging device for construction and browsing of human-reachable environments,” Advances in Computing - Lecture Notes in Computer Science (LNCS), Vol. 6938, G. Bebis, et al. (eds.), Springer, Berlin/Heidelberg, Germany, pp. 484-495.

145. Y. L. Li and W. H. Tsai (2011/09). “New image steganography via secret-fragment-visible mosaic images by nearly-reversible color transformation,” Advances in Computing - Lecture Notes in Computer Science (LNCS), Vol. 6939, G. Bebis, et al. (eds.), Springer, Berlin/Heidelberg, Germany, pp. 484-495.

146. P. H. Yuan, K. F. Yang and W. H. Tsai (2011/10). “Real-time security monitoring around a video surveillance vehicle with a pair of two-camera omni-imaging devices,” IEEE Transactions on Vehicular Technology, Vol. 60, No. 8, pp. 3603 - 3614.

147. C. W. Lee and W. H. Tsai (2012/01). “A secret-sharing-based method for authentication of grayscale document images via the use of the PNG image with a data repairing capability,” IEEE Transactions on Image Processing, Vol. 21, No. 1. pp. 207-218.

148. C. J. Wu and W. H. Tsai (2012/01). "A space-mapping method for object location estimation adaptive to camera setup changes for vision-based automation applications," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 1, pp. 157-162.

149. C. W. Lee and W. H. Tsai (2012/05). "Optimal pixel-level self-repairing authentication method for grayscale images under a minimax criterion of distortion reduction," Optical Engineering, Vol. 51, No. 5, pp. 057006-1 - 057006-10.

150. S. C. Liu and W. H. Tsai (2012). "Line-based Cubism-like image — a new type of art image and its application to lossless data hiding,"  IEEE Transactions on Information Forensics and Security, Vol. 7, No. 5, pp. 1448-1458.

151. C. W. Huang and W. H. Tsai (2012/12). "Construction of a machine guide dog using a two-mirror omni-camera and an autonomous vehicle," Advances in Intelligent Systems and Applications, Vol. 2 - Smart Innovation, Systems and Technologies (SIST), Vol. 21, J. S. Pan, C. N. Yang and C. C. Lin (eds.), Springer, Berlin/Heidelberg, Germany, pp. 205-219.

152. H. H. Tseng and W. H. Tsai (2012/12). "Protection of privacy-sensitive contents in surveillance videos using WebM video features," Advances in Intelligent Systems and Applications, Vol. 2 - Smart Innovation, Systems and Technologies (SIST), Vol. 21, J. S. Pan, C. N. Yang and C. C. Lin (eds.), Springer, Berlin/Heidelberg, Germany, pp. 221-233.

153. C. W. Lee and W. H. Tsai (2013/02). "A covert communication method via spreadsheets by secret sharing with a self-authentication capability," Journal of Systems & Software, Vol. 86, No. 2, pp. 324-334.

154. C. W. Lee and W. H. Tsai (2013/07). "A data hiding method based on information sharing via PNG images for applications of color image authentication and metadata embedding," Signal Processing, Vol. 93, No. 7, pp. 2010–2025.

155. S. E. Shih and W. H. Tsai (2013/07). "A two-omni-camera stereo vision system with an automatic adaptation capability to any system setup for 3D vision applications," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 23, No. 7, pp. 1156–1169.

156. S. E. Shih and W. H. Tsai (2013/11). "Optimal design and placement of omni-cameras in binocular vision systems for accurate 3D data measurement," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 23, No. 11, pp. 1911-1926.

157. C. L. Chien and W. H. Tsai (2014/01). "Image fusion with no gamut problem by improved nonlinear IHS transforms for remote sensing," IEEE Transactions on Geoscience and Remote Sensing, Vol. 52, No. 1, pp. 651-663.

158. Y. L. Lee and W. H. Tsai (2014/02). "A new data hiding method via revision history records on collaborative writing platforms," ACM Transactions on Multimedia Computing, Communications, and Applications, Vol. 10, No. 2, pp. 20:1-20:21.

159. Y. L. Lee and W. H. Tsai (2014/04). "A new secure transmission technique via secret-fragment-visible mosaic images by nearly reversible color transformations," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 24, No. 4, pp. 695-703.

160.  S. E. Shih and W. H. Tsai (2014/08). "A convenient vision-based system for automatic detection of parking spaces in indoor parking lots using wide-angle cameras," IEEE Transactions on Vehicular Technology, Vol. 63, No. 6, pp. 2521-2532.

161. Y. L. Lee and W. H. Tsai (2015/01). "Reversible data hiding by image encryptions and spatial correlation comparisons," Journal of Information Science and Engineering, Vol. 31, No. 1, pp. 331-342.

162. Y. L. Lee and W. H. Tsai (2015/04). "A New Data Transfer Method via Signal-rich-art Code Images Captured by Mobile Devices," IEEE Transactions on Circuits and Systems for Video Technology, Vol. 25, No. 4, pp. 688-700. 　

163. S. C. Hung, D. C. Wu and W. H. Tsai (2020/04). "Data Hiding in Computer-Generated Stained Glass Images and Its Applications to Information Protection," IEICE Transactions on Information and Systems, Vol. 103D, No. 4, pp. 850-865. 　

164. S. C. Liu, D. C. Wu and W. H. Tsai (2021/02). "Rectangle-based Neo-Plasticism-like Image - A New Type of Art Image and Its Application to Covert Communication," Journal of Information Science and Engineering, Vol. 37, No. 2, pp. 441-468. 　

165. S. C. Liu, D. C. Wu and W. H. Tsai (2021/02). "Stripe-Based Futurism-like Image - A New Type of Art and Its Application to Covert Communication," Applied Sciences, 2022, 12, 10422. 　

(B) Conference papers 

1.       W. H. Tsai and K. S. Fu (1978/11). "Image segmentation and recognition by texture discrimination: a syntactic approach," Proceedings of 4th International Joint Conference on Pattern Recognition, Kyoto, Japan.

2.       W. H. Tsai and K. S. Fu (1978/11). "A pattern deformational model and Bayes error- correcting recognition system," Proceedings of 1978 International Joint Conference on Pattern Recognition, Kyoto, Japan.

3.       W. H. Tsai and K. S. Fu (1978/11). "Syntactic error-correcting recognition of patterns and its application to texture discrimination," Proceedings of ARPA Image Understanding Workshop, Pittsburgh, Pennsylvania, U. S. A., pp. 31-36.

4.       W. H. Tsai and K. S. Fu (1980/12). "A syntactic-statistical approach to recognition of industrial objects," Proceedings of 5th International Conference on Pattern Recognition, Miami Beach, Florida, U. S. A., pp. 251-259.

5.       W. H. Tsai, C. C. Chou, P. C. Cheng and Z. Chen (1980/12). "A multiprocessor system for image sequence analysis," Proceedings of 1980 International Computer Symposium, Taipei, Taiwan, Republic of China, pp. 389-401.

6.       W. H. Tsai (1980/12). "Optimal subgraph error-correcting isomorphism for matching attributed relational graphs," Proceedings of 1980 International Computer Symposium, Taipei, Taiwan, Republic of China, pp. 905-918.

7.       W. H. Tsai, C. C. Chou, P. C. Cheng and Z. Chen (1981/11). "Architecture of a multi-microprocessor system for parallel processing of image sequences," Proceedings of 1981 IEEE Computer Society Workshop on Computer Architecture for Pattern Analysis and Image Database Management, Hot Springs, Virginia, U.S.A., pp. 104-111.

8.       W. H. Tsai (1982/7). "Graph matching problems: a survey and tutorial," Proceedings of 1st Conference on Computer Algorithms, Hsinchu, Taiwan, Republic of China, pp. 16-1-16-66.

9.       T. C. Fan and W. H. Tsai (1982/9). "Automatic Chinese seal identification," Proceedings of 1982 International Conference of Chinese Language Computer Society, Washington, D. C., U.S.A., pp. 361-371.

10.    C. M. Wang, H. C. Yen and W. H. Tsai (1982/12). "Moving target detection and tracking on a multi-microprocessor system for image processing," Proceedings of 1982 International Computer Symposium, Taichung, Taiwan, Republic of China, pp. 292-298.

11.    W. H. Tsai, B. C. Jeng, C. C. Chou, G. H. Char, P. N. Liu, C. M. Wang and H. C. Yen (1983/3). "CTIPS - A multi-microprocessor system for image processing: hardware architecture, system software, and applications," Proceedings of 1983 International Symposium on VLSI Technology, System, and Applications, Taipei, Taiwan, Republic of China, pp. 235-239.

12.    J. C. Lin, W. H. Tsai, J. S. Lee and C. H. Chen (1984/3). "A vision system with automatic learning capability for industrial parts inspection," Proceedings of 1984 IEEE International Conference on Robotics and Automation, Atlanta, Georgia, U.S.A.

13.    R. C. Luo, W. H. Tsai and J. C. Lin (1984/10). "Object recognition with combined tactile and visual information," Proceedings of 4th International Conference on Robot Vision and Sensory Control, London, U.K.

14.    W. H. Tsai and J. C. Lin (1984/10). "Curved 3-D Object recognition using 2-D shape analysis techniques," Proceedings of 4th International Conference on Robot Vision and Sensory Control, London, U.K.

15.    W. H. Tsai and S. S. Yu (1984/7,8). "Attributed string matching with merging for shape recognition," Proceedings of 7th International Conference on Pattern Recognition, Montreal, Canada, pp. 1162-1164.

16.    W. H. Tsai (1984/12). "Moment-preserving thresholding: a new approach," Proceedings of 1984 International Computer Symposium, Taipei, Taiwan, Republic of China.

17.    H. L. Chou and W. H. Tsai (1985/12). "A new approach to robot location by house corners," Proceedings of 1985 National Computer Symposium, Kaohsiung, Taiwan, Republic of China, pp. 1587-1601.

18.    R. C. Luo and W. H. Tsai (1986/4). "Object recognition using tactile image array sensors," Proceedings of 1986 IEEE International Conference on Robotics and Automation, San Francisco, California, U.S.A., pp. 1248-1243.

19.    C. H. Liu and W. H. Tsai (1986/9). "3-D object recognition from multiple views," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 660-670 (in Chinese).

20.    C. M. Chen and W. H. Tsai (1986/9). "Automatic identification of Chinese seals with deformed imprint shapes," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 498-512.

21.    L. L. Wang and W. H. Tsai (1986/9). "Safe highway driving aided by 3-D image analysis techniques," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 671-686.

22.    J. J. Liu and W. H. Tsai (1986/9). "3-D scene analysis from moving observers, part I: feature extraction and integration," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 687-701 (in Chinese).

23.    C. T. Huang and W. H. Tsai (1986/9). "3-D scene analysis from moving observers, part II: scene registration and matching," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 702-719 (in Chinese).

24.    T. C. Hor and W. H. Tsai (1986/9). "Automatic musical staff reading by image analysis techniques," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 482-497 (in Chinese).

25.    C. F. Lin and W. H. Tsai (1986/9). "Automatic checking of printed circuit board layout correctness by image analysis techniques," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 788-803 (in Chinese).

26.    L. L. Wang and W. H. Tsai (1986/9). "Optimal assignment of task modules with precedence for distributed processing by graph matching and state-space search," Proceedings of 1986 Microelectronics and Information Science and Technology (MIST) Workshop, Hsinchu, Taiwan, Republic of China, pp. 720-736.

27.    L. H. Chen and W. H. Tsai (1986/12). "Moment-preserving line detection," Proceedings of 1986 International Computer Symposium, Tainan, Taiwan, Republic of China, pp. 700-709.

28.    R. K. Chen, Y. T. Tsay and W. H. Tsai (1987/8). "3-D object surface data acquisition using laser striping," Proceedings of 1987 Workshop on Computer Vision, Graphics, and Image Processing, Nantou, Taiwan, Republic of China, pp. 31-58.

29.    M. C. Yang and W. H. Tsai (1987/8). "Recognition of 3-D curved objects using 2-D cross- sectional slice shapes," Proceedings of 1987 Workshop on Computer Vision, Graphics, and Image Processing, Nantou, Taiwan, Republic of China, pp. 1-30.

30.    J. J. Leou and W. H. Tsai (1987/12). "New sensing strategies for monitoring moving polyhedral objects by machine vision," Proceedings of 1987 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 771-780.

31.    S. T. Liu and W. H. Tsai (1987/12). "Moment-preserving clustering," Proceedings of 1987 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 799-805.

32.    C. K. Fan and W. H. Tsai (1987/12). "Automatic word identification in Chinese sentences by the relaxation technique," Proceedings of 1987 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 423-431.

33.    M. Y. Lin and W. H. Tsai (1988/8,9). "A new approach to on-line Chinese Character recognition by sentence contextual information using the relaxation technique," Proceedings of 1988 International Conference on Computer Processing of Chinese and Oriental Language, Toronto, Canada, pp. 131-134.

34.    C. K. Fan and W. H. Tsai (1988/10). "Disambiguation of phonetic Chinese input by relaxation-based word identification," Proceedings of 1st Computational Linguistics Workshop, Nantou, Taiwan, Republic of China, pp. 145-160.

35.    S. C. Shy and W. H. Tsai (1989/8). "Mechanical drawing understanding and modification by pattern recognition techniques," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 365-376.

36.    R. Lee, S. Y. Chen, P. C. Lu, and W. H. Tsai (1989/8). "Flying object location using a single view of a semi-circle running track," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 178-187.

37.    P. Y. Ku and W. H. Tsai (1989/8). "Model-based guidance of autonomous land vehicles for indoor navigation," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 165-174.

38.    J. J. Leou and W. H. Tsai (1989/8). "A new approach to 3-D robot operation monitoring by multiple 2-D camera views," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 145-154.

39.    L. L. Wang and W. H. Tsai (1989/8). "Computing camera parameters using vanishing line information from a rectangular parallelepiped," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 111-119.

40.    Y. R. Chen and W. H. Tsai (1989/8). "Monitoring of nonperiodical robot operations by 3-D computer vision," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 155-164.

41.    M. S. Chang, P. Y. Ku, L. L. Wang, and W. H. Tsai (1989/8). " Indoor autonomous land vehicle guidance by line following using computer vision techniques," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 135-144.

42.    I. S. Lee and W. H. Tsai (1989/8). "A syntactic approach to 3-D object recognition using attributed grammars," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 101-110.

43.    K. P. Tang and W. H. Tsai (1989/8). "Infrared target detection and tracking by region correspondence in Image sequences," Proceedings of 1989 Workshop on Computer Vision, Graphics, and Image Processing, Taipei, Taiwan, Republic of China, pp. 188-200.

44.    Y. C. Guo and W. H. Tsai (1989/12). "A syntactic approach to 3-D object inspection using multiple 2-D cross-sectional slices of object surface shapes," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 411-417.

45.    C. F. Lin and W. H. Tsai (1989/12). "Trajectory modeling, collision detection, and motion planning for monitoring general robot manipulators," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 198-206.

46.    J. H. Yeh and W. H. Tsai (1989/12). "3-D object modeling from multiple 2-D cross- sectional surface data," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 432-440.

47.    Y. T. Tsay and W. H. Tsai (1989/12). "Attributed string matching by split-and-merge for on-line Chinese character recognition," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 251-260.

48.    S. S. Yu and W. H. Tsai (1989/12). "A new thinning algorithm for gray-scale images by the relaxation technique," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 275-284.

49.    S. Y Chen and W. H. Tsai (1989/12). "Robot location using surface patches of curved objects," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 225-234.

50.    C. S. Chen and W. H. Tsai (1989/12). "A new fast one-pass thinning algorithm and its parallel hardware implementation," Proceedings of 1989 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. 325-332.

51.    L. L. Wang and W. H. Tsai (1990/7). "Collision avoidance by a modified least-mean- square-error classification scheme for indoor autonomous land vehicle navigation," Proceedings of 1st International Conference on Automation Technology, Taipei, Taiwan, Republic of China, pp. 501-510.

52.    S. S. Yu and W. H. Tsai (1990/10). "Relaxation by neural network," Proceedings of the ISMM International Conference on Parallel and Distributed Computing, and Systems, New York, U.S.A., pp. 341-343.

53.    W. T. Chao, J. J. Leou, and W. H. Tsai (1990/12). "Collision avoidance for monitoring multiple operating robot manipulators by computer vision using 2D camera views," Proceedings of 1990 International Computer Symposium, Hsinchu, Taiwan, Republic of China, pp. 491-496.

54.    H. S. Hsu and W. H. Tsai (1990/12). "Moment-preserving edge detection and its application to image data compression," Proceedings of 1990 International Computer Symposium, Hsinchu, Taiwan, Republic of China, pp. 428-433.

55.    S. L. Chou and W. H. Tsai (1990/12). "Line segment matching for 3-D computer vision using a new iteration scheme," Proceedings of 1990 International Computer Symposium, Hsinchu, Taiwan, Republic of China, pp. 414-421.

56.    T. Kuo and W. H. Tsai (1991/2). "An integer approach to train schedule," Proceedings of 9th IASTED International Symposium --- Applied Informatics, Innsbruck, Austria, pp. 441-444.

57.    Y. L. Chen and W. H. Tsai (1991/3). "Detection and tracking of sea and airborne targets by analysis of infrared image sequences," Proceedings of Automatic Control Conference, Taoyuan, Taiwan, Republic of China, pp. 18-24.

58.    S. L. Chou and W. H. Tsai (1991/6). "Recognizing handwritten Chinese characters by stroke segment matching," Proceedings of 1st National Workshop on Character Recognition, Hsinchu, Taiwan, Republic of China, pp. 43-54.

59.    C. J. Wu and W. H. Tsai (1991/6). "A decision tree approach to recognition of printed Chinese characters by neural networks using neocognitrons," Proceedings of 1st National Workshop on Character Recognition, Hsinchu, Taiwan, Republic of China, pp. 76-106.

60.    S. S. Yu and W. H. Tsai (1991/7). "Implementation of the relaxation process by the interactive activation and competition network," presented at International Joint Conference on Neural Networks, Seatle Washington, U. S. A., p. IIA-894.

61.    C. K. Fan and W. H. Tsai (1991/8). "Reduction of key stroke numbers in Chinese input by relaxation based word identification," Proceedings of 1991 International Conference on Computer Processing of Chinese and Oriental Languages, Taipei, Taiwan, Republic of China, pp. 37-44.

62.    I. H. Kuo and W. H. Tsai (1991/8). "Moment -preserving feature detection for image data compression," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 66-71.

63.    Y. P. Cheng and W. H. Tsai (1991/8). "Improvement on shift ability of neocognitron and recognition of printed Chinese characters without thinning," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 89-94.

64.    W. J. Ke and W. H. Tsai (1991/8). "Indoor autonomous land vehicle guidance by corner tracking using computer vision," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 133-139.

65.    K. T. Chang and W. H. Tsai (1991/8). "Collision avoidance for autonomous land vehicle navigation in indoor environments by laser light projection," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 334-339.

66.    S. D. Cheng and W. H. Tsai (1991/8). "Model-based guidance of autonomous land vehicles in indoor environments by structured light using vertical line information," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 340-345.

67.    C. C. Chang and W. H. Tsai (1991/8). "Recognition of polyhedral objects with color surfaces by multiple 2-D camera views," Proceedings of 1991 Workshop on Computer Vision, Graphics and Image Processing, Tainan, Taiwan, Republic of China, pp. 346-351.

68.    S. S. Yu and W. H. Tsai (1991/11). "Implementation of the relaxation process by the interactive activation and competition network," Proceedings of 1991 International Joint Conference on Neural Networks, Singapore, pp. 1385-1390.

69.    S. C. Cheng and W. H. Tsai (1991/12). "Image compression using adaptive multilevel block truncation coding," Proceedings of 1991 International Symposium on Communications, Tainan, Taiwan, Republic of China, pp. 240-243.

70.    C. F. Lin and W. H. Tsai (1991/12). "Optimal assignment of robot tasks with precedence for multi-robot coordination by disjunctive graphs and state-space search," Proceedings of 1991 National Computer Symposium, Taoyuan, Taiwan, Republic of China, pp. 43-50.

71.    S. C. Jeng and W. H. Tsai (1991/12). "Modified generalized Hough transform using medial axis points - a new approach," Proceedings of 1991 National Computer Symposium, Taoyuan, Taiwan, Republic of China, pp. 51-58.

72.    S. C. Cheng and W. H. Tsai (1991/12). "A neural network implementation of moment-preserving technique and its application to thresholding," Proceedings of 1991 National Computer Symposium, Taoyuan, Taiwan, Republic of China, pp. 489-494.

73.    R. Y. Wu and W. H. Tsai (1991/12). "Fast parallel thinning by neural networks," Proceedings of 1st Workshop on Neural Networks, Taipei, Taiwan, Republic of China.

74.    S. C. Cheng and W. H. Tsai (1992/3). "Image compression using moment-preserving edge detection," Proceedings of 1992 Data Compression Conference, Snowbird, Utah, U. S. A.

75.    M. Y. Lin and W. H. Tsai (1992/8). "3-D color object recognition from multiple 2-D camera views," Proceedings of 1992 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 245-252.

76.    P. F. Ho and W. H. Tsai (1992/8). "Target detection and tracking in infrared image sequences by neural networks using self-organizing feature maps," Proceedings of 1992 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 306-313.

77.    Y. M. Su and W. H. Tsai (1992/8). "Autonomous land vehicle guidance for navigation in building corners and elevators by computer vision, radio, and photoelectric sensing techniques," Proceedings of 1992 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 237-244.

78.    W. Y. Su and W. H. Tsai (1992/11). "Handprinted Chinese character recognition by neural networks using modified neocognitron," Proceedings of 2nd National Workshop on Character Recognition, Taipei, Taiwan, Republic of China, pp. 58-80.

79.    S. L. Chou and W. H. Tsai (1992/12). "On-line Chinese character recognition using a new discrete iterative matching scheme," Proceedings of 1992 International Conference on Computer Processing of Chinese and Oriental Languages, Sand Key, Florida, U. S. A., pp. 376-383.

80.    R. Y. Wu and W. H. Tsai (1992/12). "A single-layer neural network for parallel thinning," Proceedings of 1992 International Computer Symposium, Taichung, Taiwan, Republic of China, pp. 332-338.

81.    P. R. Chen and W. H. Tsai (1992/12). "Human face recognition by image processing and pattern recognition techniques using both front and side views," Proceedings of 1992 International Computer Symposium, Taichung, Taiwan, Republic of China, pp. 916-924.

82.    S. Y. Ferng and W. H. Tsai (1992/12). "Dynamic image compression using line edge features by moment-preserving technique," Proceedings of 1992 National Symposium on Telecommunications, Chungli, Taiwan, Republic of China, pp. 190-195.

83.    C. H. Liu and W. H. Tsai (1993/4). "Recognizing cuboidal objects in arbitrary orientations by single views," Proceedings of 1993 Workshop on Computer Applications," Nantou, Taiwan, Republic of China, pp. 124-143.

84.    Y. S. Fu and W. H. Tsai (1993/5). "Chinese character recognition by neural networks," Proceedings of First Workshop on Advanced Information Systems," Hsinchu, Taiwan, Republic of China, pp. B3-1 - B3-28.

85.    R. Y. Wu and W. H. Tsai (1993/8). "Structural feature extraction by neural networks," Proceedings of 1993 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 182-191.

86.    C. H. Liu and W. H. Tsai (1993/8). "Recognition of regular-shaped objects by single camera views using camera calibration, surface projection, and model matching techniques," Proceedings of 1993 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 244-254.

87.    Y. P. Cheng and W. H. Tsai (1993/12). "New feature extraction scheme for neocognitron," Proceedings of 3rd National Workshop on Character Recognition, Hsinchu, Taiwan, Republic of China, pp. 51-72.

88.    C. C. Lai and W. H. Tsai (1993/12). "Outdoor autonomous land vehicle guidance by road information using computer vision and fuzzy wheel adjustment techniques," Proceedings of 1993 National Computer Symposium, Chiai, Taiwan, Republic of China, pp. 302-310.

89.    F. M. Pan and W. H. Tsai (1993/12). "Automatic environment learning and path generation for indoor autonomous land vehicle guidance using computer vision techniques," Proceedings of 1993 National Computer Symposium, Chiai, Taiwan, Republic of China, pp. 311-321.

90.    R. Y. Wu and W. H. Tsai (1993/12). "Handprinted Chinese character recognition by neural networks," Proceedings of 1993 International Symposium on Artificial Neural Networks," Hsinchu, Taiwan, Republic of China, pp. C1-C10.

91.    R. C. Lo and W. H. Tsai (1994/5). "Gray-scale Hough transform for thick line detection in gray-scale images," Proceedings of 1994 Workshop on Advanced Information Systems," Hsinchu, Taiwan, Republic of China.

92.    W. C. Lu and W. H. Tsai (1994/8). "Trademark image recognition using statistical and shape features," Proceedings of 1994 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 26-33.

93.    Y. S. Lin and W. H. Tsai (1994/8). "Image segmentation for color document analysis," Proceedings of 1994 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 135-142.

94.    C. K. Yang, T. C. Wu, J. C. Lin, and W. H. Tsai (1994/8). "Color image sharpening by moment-preserving technique," Proceedings of 1994 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 184-191.

95.    C. K. Yang, J. C. Lin, and W. H. Tsai (1994/11). "Color image compression by moment-preserving and block truncation coding techniques," Proceedings of 1994 IEEE International Conference on Image Processing, Austin, Texas, U. S. A., pp. 972-976.

96.    Y. S. Chen and W. H. Tsai (1994/12). "Preclassification of Chinese characters by hierarchical neural networks," Proceedings of 4th International Workshop on Frontiers in Handwriting Recognition, Taipei, Taiwan, Republic of China, pp. 464-471.

97.    C. Y. Yang and W. H. Tsai (1994/12). "Suppression of Moiré patterns in scanned halftone images by double scans with moving grids," Proceedings of 1994 International Computer Symposium, Hsinchu, Taiwan, Republic of China, pp.1267-1272.

98.    K. H. Chen and W. H. Tsai (1994/12). "Autonomous land vehicle guidance by line and road following using clustering, Hough transform, and model matching techniques," Proceedings of 1994 International Computer Symposium, Hsinchu, Taiwan, Republic of China, pp. 89-94.

99.    C. K. Yang and W. H. Tsai (1995/5). "A new approach to unitary transformation and its application for edge detection in color images," Proceedings of 1995 Workshop on Basic Academic Research on Electrical Engineering and Computer Science, Kaohsiung, Taiwan, Republic of China, pp. 167-178.

100. R. C. Lo and W. H. Tsai (1995/7). "Perspective-transformation-invariant generalized Hough transform," Proceedings of First Workshop on Real-time And Media Systems, Taipei, Taiwan, Republic of China, pp. 79-87.

101. R. C. Lo and W. H. Tsai (1995/8). "Improving generalized Hough transform for color image detection and matching," Proceedings of 1995 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China, pp. 520-527.

102. C. K. Yang and W. H. Tsai (1995/8). "Color image compression using quantization, thresholding, and edge detection techniques all based on the moment-preserving principle," Proceedings of 1995 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China, pp. 245-252.

103. Y. H. Chuang and W. H. Tsai (1995/8). "Segmentation of texts, graphics, and special components for color document image analysis," Proceedings of 1995 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China, pp. 471-478.

104. L. F. Lee and W. H. Tsai (1995/8). "Understanding of arrangements and extraction of articles in Chinese paper images," Proceedings of 1995 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China, pp. 479-487.

105. R. C. Lo and W. H. Tsai (1995/9). "Position and orientation tracking using perspective -transformation-invariant generalized Hough transform for virtual reality applications," Proceedings of 1995 Workshop on Artificial Intelligence, Taipei, Taiwan, Republic of China, pp. 165-179.

106. J. M. Chen and W. H. Tsai (1996/1). "Recognition of multi-font and multi-size printed Chinese characters using attributed graph representations and code matching," Proceedings of 4th National Workshop on Document Analysis and Character Recognition, Taipei, Taiwan, Republic of China.

107. J. C. Yang and W. H. Tsai (1996/3). "Suppression of Moiré patterns in scanned halftone images," Proceedings of 1996 Workshop on Advanced Information Systems, Taipei, Taiwan, Republic of China, pp. O1-O25.

108. G. Y. Chen and W. H. Tsai (1996/8). "An incremental-learning-by-navigation approach to vision-based autonomous land vehicle guidance in indoor environments using vertical line information and multi-weighted generalized Hough transform technique," Proceedings of 1996 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 151-158.

109. Z. F. Yang and W. H. Tsai (1996/8). "Using parallel line information on building ceilings for indoor ALV guidance and automatic environment learning," Proceedings of 1996 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 166-173.

110. H. H. Tseng and W. H. Tsai (1996/8). "Chinese character font recognition using Fourier spectrum features and back-propagation neural network," Proceedings of 1996 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 206-213.

111. R. C. Lo and W. H. Tsai (1996/8). "Thick circle detection by Hough transform," Proceedings of 1996 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China, pp. 360-365.

112. K. P. Li and W. H. Tsai (1996/12). "Autonomous land vehicle guidance in complex room environments by computer vision techniques," Proceedings of 1996 International Conference on Image Processing and Character Recognition (part of 1996 International Computer Symposium), Kaohsiung, Taiwan, Republic of China, pp.9-16.

113. S. C. Lin and W. H. Tsai (1996/12). "Segmentation and understanding of color magazine images," Proceedings of 1996 International Conference on Image Processing and Character Recognition (part of 1996 International Computer Symposium), Kaohsiung, Taiwan, Republic of China, pp.205-212.

114. K. H. Chen and W. H. Tsai (1997/8). “Autonomous land vehicle guidance on sharp-curved roads in outdoor environments,” Proceedings of 1997 Conference on Computer Vision, Graphics and Image Processing, Taichung, Taiwan, Republic of China, pp. 318-326.

115. C. C. Lai and W. H. Tsai (1997/8). “Estimation of moving vehicle locations using wheel shape information in single 2-D lateral vehicle images by 3-D computer vision techniques,” Proceedings of 1997 Conference on Computer Vision, Graphics and Image Processing, Taichung, Taiwan, Republic of China, pp. 327-334.

116. G. Y. Chen and W. H. Tsai (1997/8). “Unsupervised learning of unexplored environment by pushdown transducer for autonomous land vehicle navigation,” Proceedings of 1997 Conference on Computer Vision, Graphics and Image Processing, Taichung, Taiwan, Republic of China, pp. 335-342.

117. C. H. Ku and W. H. Tsai (1997/8). “Obstacle avoidance for autonomous land vehicle navigation in indoor environments by quadratic classifier,” Proceedings of 1997 Conference on Computer Vision, Graphics and Image Processing, Taichung, Taiwan, Republic of China, pp. 343-350.

118. K. H. Chen and W. H. Tsai (1997/12). “Vision-based guidance for autonomous land vehicle navigation in outdoor road environments with static and moving cars,” Proceedings of 1997 National Computer Symposium, Taichung, Taiwan, Republic of China, pp. B1-B6.

119. Z. F. Yang and W. H. Tsai (1997/12). “Using parallel line information for vision-based landmark location estimation and an application to automatic helicopter landing,” Proceedings of 1997 National Computer Symposium, Taichung, Taiwan, Republic of China, pp. B7-B12.

120. C. C. Chang and W. H. Tsai (1997/12). “Reliable determination of object pose from line features by hypothesis test and bootstrap techniques,” Proceedings of 1997 National Computer Symposium, Taichung, Taiwan, Republic of China, pp. B20-B26.

121. Y. C. Tseng and W. H. Tsai (1997/11). “Form segmentation and component classification for clinic document image analysis,” Proceedings of 7th Workshop on Optical Character Recognition and Document Analysis, Taipei, Taiwan, Republic of China, pp. 2-1~2-19.

122. J. C. Yang and W. H. Tsai (1997/11). “Document image segmentation and quality improvement by Moiré pattern analysis,” Proceedings of 7th Workshop on Optical Character Recognition and Document Analysis, Taipei, Taiwan, Republic of China, pp. 3-7~3-18.

123. D. C. Wu and W. H. Tsai (1998/8). “Image hiding in spatial domain using an image differencing approach,” Proceedings of 1998 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 280-287.

124. C. C. Chang and W. H. Tsai (1998/8). “Fast moment-based planar object pose estimation without image correspondence,” Proceedings of 1998 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 296-303.

125. T. J. Chuang, J, C, Lin, and number W. H. Tsai (1998/8). “Image hiding using digit number transformation,” Proceedings of 1998 Conference on Computer Vision, Graphics Image Processing, Taipei, Taiwan, Republic of China, pp. 354-361.

126. C. H. Tzeng and W. H. Tsai (1998/8). “Compression of Chinese character patterns in document images based on rectangular region partitioning using contour information and Huffman coding,” Proceedings of 1998 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 605-612.

127. G. Y. Chen and W. H. Tsai (1998/10) “Vision-based unsupervised learning of unexplored environment for autonomous land vehicle navigation,” Proceedings of 1998 IEEE International Conference on Intelligent Vehicles, Stuttgart, Germany, pp. 599-604.

128. D. C. Wu and W. H. Tsai (1998/12). “Data hiding in images via multiple-based number conversion and lossy compression.” Proceedings of Workshop on Cryptology and Information Security, International Computer Symposium, Tainan, Taiwan, Republic of China, pp. 117-123.

129. C. H. Ku and W. H. Tsai (1998/7) “Smooth autonomous land vehicle navigation in indoor environments by person following using sequential pattern recognition, fuzzy speed control and computer vision techniques," Proceedings of the Joint Conference of the Fifth International Conference on Automation Technology and 1998 International Conference of Production Research (Asia Meeting), Taipei, Taiwan, Republic of China, pp. 115-123.

130. D. C. Wu and W. H. Tsai (1999/8). “An efficient method for imperceptive data embedding in images,” Proceedings of 1999 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 166-173.

131. C. H. Ku and W. H. Tsai (1999/8). “Robust trajectory planning in person following for vision-based autonomous land vehicle guidance by visual field model and visual contact constraint,” Proceedings of 1999 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 771-780.

132. K. H. Chen and W. H. Tsai (1999/8). “Vision-based obstacle detection and avoidance for autonomous land vehicle navigation in outdoor roads,” Proceedings of 1999 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 812-820.

133. C. C. Lai and W. H. Tsai (1999/12). “Human-computer interaction using eye-glasses shape information by 3-D computer vision techniques,” Proceedings of 1999 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. C112-C118.

134. G. Y. Chen, T. Y. Chiang, and W. H. Tsai (1999/12). “An intelligent system for learning environment models and guidance strategies for vision-based indoor autonomous land vehicle navigation,” Proceedings of 1999 National Computer Symposium, Taipei, Taiwan, Republic of China, pp. C159-C165.

135. C. C. Chang and W. H. Tsai (2000/1). “Vision-based tracking and interpretation of human leg movement for virtual reality applications,” Proceedings of 4th Asian Conference on Computer vision, Taipei. Taiwan, Republic of China, pp. 35-42.

136. C. C. Chang and W. H. Tsai (2000/1). “Model-based analysis of hand gestures from single images without using marked gloves or attaching marks on hands,” Proceedings of 4th Asian Conference on Computer vision, Taipei. Taiwan, Republic of China, pp. 923-930.

137. C. H. Tzeng and W. H. Tsai (2000/2). “Document segmentation using medial axis transform,” Proceedings of 3rd International Conference on Computer Vision, Pattern Recognition, and Image Processing, Atlantic City, New Jersey, U. S. A.

138. C. C. Lin and W. H. Tsai (2000/8). “Visual cryptography for gray-level images,” Proceedings of 2000 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 1-221~1-226.

139. C. H. Ku and W. H. Tsai (2000/8). “Obstacle avoidance in person following for vision-based autonomous land vehicle guidance using vehicle location estimation and quadratic pattern classifier,” Proceedings of 2000 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 1-227~1-235.

140. C. Y. Huang and W. H. Tsai (2000/8). “Knowledge-based tracking and modeling of facial expressions by stereo vision techniques,” Proceedings of 2000 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 1-286~1-298.

141. S. H. Chen and W. H. Tsai (2000/8). “Book content digitization and display for digital libraries by document image analysis and compression-by-classification techniques,” Proceedings of 2000 Conference on Computer Vision, Graphics and Image Processing, Taipei, Taiwan, Republic of China, pp. 2-23~2-32.

142. K. W. Chou and W. H. Tsai (2000/12). “A large-scale picture scanning system based on automatic image detection and content correction,” Proceedings of 2000 International Computer Symposium – Workshop on Image Processing and Pattern Recognition, Chiayi, Taiwan, Republic of China, pp. 141-148.

143. H. P. Fan and W. H. Tsai (2000/12). “3D indoor visual environment modeling via vehicle navigation and multi-camera image data fusion,” Proceedings of 2000 International Computer Symposium – Workshop on Image Processing and Pattern Recognition, Chiayi, Taiwan, Republic of China, pp. 215-222.

144. C. C. Lin and W. H. Tsai (2001/07). “Secret multimedia information sharing with data hiding capacity by simple logic operations,” Proceedings of 5^th World Multiconference on Systemics, Cybernetics, and Informatics, Volume I: Information Systems Development, Orlando, Florida, U. S. A., pp. 50-55.

145. C. H. Ho and W. H. Tsai (2001/08). “A study on image content indexing and retrieval for electronic book reading,” Proceedings of 2001 Conference on Computer Vision, Graphics and Image Processing, Pingtung, Taiwan, Republic of China.

146. R. C. Liu and W. H. Tsai (2001/08). “Security patrolling in building corridors by multiple-camera computer vision and automatic vehicle navigation techniques,” Proceedings of 2001 Conference on Computer Vision, Graphics and Image Processing, Pingtung, Taiwan, Republic of China.

147. W. C. Shih and W. H. Tsai (2001/08). “A study on lip animation for virtual announcers by combining voice analysis, 3D graphics, and computer vision techniques,” Proceedings of 2001 Conference on Computer Vision, Graphics and Image Processing, Pingtung, Taiwan, Republic of China.

148. C. C. Lai and W. H. Tsai (2001/08). “Camera calibration with respect to computer monitors using eye-glasses with a laser pointer for virtual reality applications,” Proceedings of 2001 Conference on Computer Vision, Graphics and Image Processing, Pingtung, Taiwan, Republic of China.

149. S. W. Jeng and W. H. Tsai (2001/08). “Creating a personalized 3D face model from a frontal color image using an existing face model,” Proceedings of 2001 Conference on Computer Vision, Graphics and Image Processing, Pingtung, Taiwan, Republic of China.

150. C. H. Tzeng and W. H. Tsai (2001/10). "A new technique for authentication of image/video for multimedia applications," Proceedings of ACM Multimedia 2001 Workshops --- Multimedia and Security: New Challenges, Ottawa, Ontario, Canada, pp. 23-26.

151. C. H. Tzeng and W. H. Tsai (2001/11). “A new data hiding technique for palette images,” Proceedings of 2001 Multimedia Technology and Applications Conference, Irvine, CA, U.S.A.

152. Y. J. Cheng, C. Y. Yin, D. C. Wu, and W. H. Tsai (2001/11). “Copyright protection and authentication of image information in digital libraries,” Proceedings of 2001 Conference on Trends and Perspectives in Digital libraries and Digital Museums, Hsinchu, Taiwan, Republic of China, pp. VIII 1~11 (in Chinese).

153. C. Y. Yin and W. H. Tsai (2001/12). “Data hiding and image authentication for color-palette images,” Proceedings of National Computer Symposium, Taipei, Taiwan, Republic of China, pp. D227-237.

154. J. K. Hsu and W. H. Tsai (2001/12). “Automatic electronic book construction from scanned page images by image analysis techniques,” Proceedings of National Computer Symposium, Taipei, Taiwan, Republic of China, pp. D299-311.

155. C. Y. Yin, D. C. Wu, and W. H. Tsai (2002/7). “New data hiding methods for copyright protection, annotation, and authentication of BMP archive images in digital libraries and museums,” Proceedings of the 1st Workshop on Digital Archives Technologies, Taipei, Taiwan, Republic of China, pp. 168-183.

156. C. C. Lai and W. H. Tsai (2002/8). “A hierarchical approach to automatic rotorcraft landing in vertiports by vision-based landmark location techniques using multiple line and circle information,” Proceedings of 2002 Conference on Computer Vision, Graphics and Image Processing, Hsinchu, Taiwan, Republic of China.

157. H. Y. Chiu and W. H. Tsai (2002/8). “Automatic vehicle navigation and parking in building corridors using panoramic sensing and 2D image analysis techniques,” Proceedings of 2002 Conference on Computer Vision, Graphics and Image Processing, Hsinchu, Taiwan, Republic of China.

158. C. H. Chen and W. H. Tsai (2002/8). “A new decision-tree approach to multi-type character recognition by direct use of system fonts as reference characters and pairs of image components for character type classification for automatic digital book construction,” Proceedings of 2002 Conference on Computer Vision, Graphics and Image Processing, Hsinchu, Taiwan, Republic of China.

159. Z. F. Yang and W. H. Tsai (2002/8). “Robust watermarking-based authentication based on concepts of channel communications,” Proceedings of 2002 Conference on Computer Vision, Graphics and Image Processing, Hsinchu, Taiwan, Republic of China.

160. C. W. Lu and W. H. Tsai (2002/8). “Fidelity and integrity authentication of MPEG videos by watermarking techniques,” Proceedings of 2002 Conference on Computer Vision, Graphics and Image Processing, Hsinchu, Taiwan, Republic of China.

161. M. K. Yang and W. H. Tsai (2002/12). “A novel MPEG-analytic approach to video segmentation for video data organization and retrieval,” Proceedings of 2002 International Computer Symposium – Workshop on Multimedia Technology, Hualien, Taiwan, Republic of China.

162. Y. J. Cheng and W. H. Tsai (2002/12). “A new method for copyright and integrity protection for bitmap images by removable visible watermarks and irremovable invisible watermarks,” Proceedings of 2002 International Computer Symposium – Workshop on Cryptology and Information Security, Hualien, Taiwan, Republic of China.

163. Z. F. Yang and W. H. Tsai (2002/12). "Embedded signature-based authentication by channel statistics using watermarking techniques," Proceedings of 5th IEEE International Workshop on Multimedia Signal Processing, US Virgin Islands, U. S. A.

164. P. M. Huang and W. H. Tsai (2003/8). "Copyright protection and authentication of grayscale images by removable visible watermarking and invisible signal embedding techniques: a new approach," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

165. S. W. Jeng and W. H. Tsai (2003/8). "Precise image unwarping of omnidirectional cameras with hyperbolic-shaped mirrors," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

166. H. Y. Chen and W. H. Tsai (2003/8). "Verification of MPEG video contents by random signal hiding," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

167. C. C. Lai and W. H. Tsai (2003/8). "A study on automatic indoor navigation techniques for vision-based mini-vehicles with off-line environment learning capability," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

168. C. C. Lin and W. H. Tsai (2003/8). "A new approach to video sharing with steganographic effects," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

169. P. C. Chen and W. H. Tsai (2003/8). "An indoor surveillance system with high-rate video compression and rotational monitoring capabilities," Proceedings of 2003 Conference on Computer Vision, Graphics and Image Processing, Kinmen, Taiwan, Republic of China.

170. C. C. Lai and W. H. Tsai (2003/9). "Location estimation and trajectory prediction of moving lateral vehicle using two wheel shapes information in 2-D lateral vehicle images by 3-D computer vision techniques," Proceedings of 2003 IEEE Conference on Robotics and Automation (ICRA), Taipei, Taiwan, Republic of China.

171. C. H. Tzeng and W. H. Tsai (2003/10). "Hiding binary images behind noise with authentication capability: a new approach to covert communication," Proceedings of IEEE 37th Annual 2003 International Carnahan Conference on Security Technology, Taipei, Taiwan, Republic of China, pp. 232-236.

172. Y. R. Yen and W. H. Tsai (2003/12). "Automatic analysis of name card contents by image processing and decision-tree classification techniques," Proceedings of 2003 National Computer Symposium, Taichung, Taiwan, Republic of China.

173. Y. H. Chang and W. H. Tsai (2003/12). "A steganographic method for copyright protection of HTML documents," Proceedings of 2003 National Computer Symposium, Taichung, Taiwan, Republic of China.

174. I. S. Lee and W. H. Tsai (2003/12). "A dynamic-programming approach to data hiding in binary images using block patterns with distortion minimizing capability," Proceedings of 2003 National Computer Symposium, Taichung, Taiwan, Republic of China.

175. S. W. Jeng and W. H. Tsai (2004/03). “Construction of perspective and panoramic images from omni-images taken from hypercatadioptric cameras for visual surveillance,” Proceedings of 2004 IEEE International Conference on Networking, Sensing, and Control, Taipei, Taiwan, Republic of China.

176. P. M. Huang, D. C. Wu, and W. H. Tsai (2004/06). "A novel block-based authentication technique for binary images by block pixel rearrangements," Proceedings of 2004 IEEE International Conference on Multimedia & Expo (ICME 2004), Taipei, Taiwan, Republic of China.

177. Y. C. Chiu and W. H. Tsai (2004/08). "Copyright protection by watermarking for color images against rotation and scaling attacks using peak detection and synchronization in DFT domain," Proceedings of Third Workshop on Digital Archives Technologies, Taipei, Taiwan, pp. 207-213, August 5-6, 2004.

178. Y. C. Chen and W. H. Tsai (2004/08). “Vision-based autonomous vehicle navigation in complicated room environments with collision avoidance capability by simple learning and fuzzy guidance techniques,” Proceedings of 2004 Conference on Computer Vision, Graphics and Image Processing, Hualien, Taiwan, Republic of China.

179. C. J. Lai and W. H. Tsai (2004/08). “A study on automatic construction of virtual talking faces and applications,” Proceedings of 2004 Conference on Computer Vision, Graphics and Image Processing, Hualien, Taiwan, Republic of China.

180. Y. L. Chen and W. H. Tsai (2004/08). “Automatic generation of talking cartoon faces from image sequences,” Proceedings of 2004 Conference on Computer Vision, Graphics and Image Processing, Hualien, Taiwan, Republic of China.

181. K. L. Huang and W. H. Tsai (2004/08). “Secret sharing with steganographic effects for HTML documents,” Proceedings of 2004 Conference on Computer Vision, Graphics and Image Processing, Hualien, Taiwan, Republic of China.

182. Y. C. Chiu and W. H. Tsai (2004/08). “Copyright protection by watermarking for color images against print-and-scan operations using coding and synchronization of peak locations in discrete Fourier transform domain,” Proceedings of 2004 Conference on Computer Vision, Graphics and Image Processing, Hualien, Taiwan, Republic of China.

183. W. L. Lin and W. H. Tsai (2004/12). “Data hiding in image mosaics by visible boundary regions and its copyright protection application against print-and-scan attacks,” Proceedings of 2004 International Computer Symposium (ICS 2004), Taipei, Taiwan, Republic of China.

184. Y. L. Chen and W. H. Tsai (2005/5). “Automatic face generation from human face pictures,” Proceedings of 2005 Comics Research Conference and Exhibition (CORCE 2005), Hsinchu, Taiwan, Republic of China, pp. 1-12.

185. S. C. Hung, T. Y. Liu and W. H. Tsai (2005/6). “A new approach to automatic generation of tile mosaic images for data hiding applications,” 2005 Conference on Digital Contents Management & Applications (DCMA 2005), Kaohsiung, Taiwan, Republic of China, pp. 11-20.

186. T. Y. Liu and W. H. Tsai (2005/6). “Active quotation authentication in Microsoft Word documents using block signatures,” 3rd International Conference on Information Technology: Research and Education (ITRE 2005), pp. 260-264, Hsinchu, Taiwan, Republic of China.

187. W. T. Chen, W. H. Tsai, C. T. King and Y. C. Chen (2005/6). "An overview of the project for next generation information communication networks," 3rd International Conference on Information Technology: Research and Education (ITRE 2005), pp. 206-210, Hsinchu, Taiwan, Republic of China.

188. C. J. Wu and W. H. Tsai (2005/8). “Location estimation for indoor autonomous vehicle navigation by omni-directional vision using circular landmarks on ceilings,” Proceedings of 2005 Conference on Computer Vision, Graphics and Image Processing, pp. 833-840, Taipei, Taiwan, Republic of China.

189. Y. C. Chuang and W. H. Tsai (2005/8). “Active copyright protection of HTML files by a watermarking technique,” Proceedings of 2005 Conference on Computer Vision, Graphics and Image Processing, Taipei, 1090-1095, Taiwan, Republic of China.

190. L. Y. Weng and W. H. Tsai (2005/8). "Integrity authentication of grayscale document images surviving print-and-scan attacks," Proceedings of 2005 Conference on Computer Vision, Graphics and Image Processing, pp. 1281-1285, Taipei, Taiwan, Republic of China.

191. M. C. Chen and W. H. Tsai (2005/8). "Vision-based security patrolling in indoor environments using autonomous vehicles," Proceedings of 2005 Conference on Computer Vision, Graphics and Image Processing, pp. 811-818, Taipei, Taiwan, Republic of China.

192. Y. Y. Yang, D. C. Wu and W. H. Tsai (2005/9). “Watermarking of numerical databases using spread spectrum techniques,” Proceedings of 4th Workshop on Digital Archives Technologies, pp. 79-84, Taipei, Taiwan, Republic of China. (in Chinese)

193. S. C. Hung, D. C. Wu, and W. H. Tsai (2005/12). “Data hiding in stained glass images,” Proceedings of 2005 International Symposium on Intelligent Signal Processing and Communications Systems, pp. 129-132, Hong Kong.

194. K. F. Chien and W. H. Tsai (2006/08). “Authentication of surveillance video sequences and contents by hiding motion vector information,” Proceedings of 2006 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China.

195. C. Y. Hsu and W. H. Tsai (2006/08). “Creation of a new type of image - circular dotted image - for data hiding by a dot overlapping scheme,” Proceedings of 2006 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China.

196. Y. L. Wang and W. H. Tsai (2006/08). “Lossless visible watermarking for copyright protection of H.263 videos,” Proceedings of 2006 Conference on Computer Vision, Graphics and Image Processing, Taoyuan, Taiwan, Republic of China.

197. P. P. Chen and W. H. Tsai (2006/08-09). “Copyright protection of palette images by a robust lossless visible watermarking technique,” Proceedings of 5th Workshop on Digital Archives Technologies, Taipei, Taiwan, Republic of China.

198. S. W. Jeng and W. H. Tsai (2006/10). “A unified approach to unwarping of omni-images into panoramic and perspective-view images using pano-mapping tables,” Proceedings of 2006 IEEE International Conference on System, Man and Cybernetics, pp. 2401-2406, October 8-11, 2006, Taipei, Taiwan, Republic of China.

199. Y. T. Wang and W. H. Tsai (2006/12) “Indoor security patrolling with intruding person detection and following capabilities by vision-based autonomous vehicle navigation,” Proceedings of 2006 International Computer Symposium (ICS 2006) - International Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, Dec. 4-6, 2006, Taipei, Taiwan, Republic of China.

200. Y. L. Chen and W. H. Tsai (2006/12). “Automatic real-time generation of talking cartoon faces from image sequences in complicated backgrounds and applications,” Proceedings of 2006 International Computer Symposium (ICS 2006) - International Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, Dec. 4-6, 2006, Taipei, Taiwan, Republic of China.

201. K. L. Chiang and W. H. Tsai (2006/12). “Vision-based autonomous vehicle guidance in indoor environments using odometer and house corner location information,” Proceedings of 2006 IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP-2006), pp. 415-418, Dec. 18 - 20, 2006 USA.

202. I. S. Lee and W. H. Tsai (2007/08). "Data hiding in grayscale images by dynamic programming based on a human visual model," Proceedings of 2007 Conference on Computer Vision, Graphics and Image Processing, Miaoli, Taiwan, Republic of China.

203. K. T. Chen and W. H. Tsai (2007/08). "A study on autonomous vehicle guidance for person following by 2D human image analysis and 3D computer vision techniques," Proceedings of 2007 Conference on Computer Vision, Graphics and Image Processing, Miaoli, Taiwan, Republic of China.

204. K. C. Chen and W. H. Tsai (2007/08). "A study on autonomous vehicle navigation by 2D object image matching and 3D computer vision analysis for indoor security patrolling applications," Proceedings of 2007 Conference on Computer Vision, Graphics and Image Processing, Miaoli, Taiwan, Republic of China.

205. Y. F. Chang and W. H. Tsai (2007/08). "Automatic 2D virtual face generation by 3D model transformation techniques," Proceedings of 2007 Conference on Computer Vision, Graphics and Image Processing, Miaoli, Taiwan, Republic of China.

206. C. C. Wang and W. H. Tsai (2007/12). "Creation of Tile-overlapping mosaic images for information hiding," Proceedings of 2007 National Computer Symposium, Taichung, Taiwan, Republic of China, pp. 119-126.

207. I. S. Lee and W. H. Tsai (2007/12). "Data hiding in emails and applications by unused ASCII control codes," Proceedings of 2007 National Computer Symposium, Taichung, Taiwan, Republic of China.

208. D. C. Wu, C. S. Li and W. H. Tsai (2008/05). "Security protection of face images transmitted on networks by information hiding techniques," Proceedings of 2008 Conference on Information Technology and Applications in Outlying Islands, pp. 153-160, Penghu, Taiwan, Republic of China (in Chinese).

209. I. S. Lee and W. H. Tsai (2008/08). "Security protection of software programs by information sharing and authentication techniques using invisible ASCII control codes," Proceedings of 2008 Conference on Computer Vision, Graphics and Image Processing, Ilan, Taiwan, Republic of China.

210. C. T. Wang and W. H. Tsai (2008/08). "Data hiding in PDF files and applications by imperceivable modifications of PDF object parameters," Proceedings of 2008 Conference on Computer Vision, Graphics and Image Processing, Ilan, Taiwan, Republic of China.

211. G. L. Huang and W. H. Tsai (2008/08). "Optimal data hiding in H.264/AVC videos for covert communication," Proceedings of 2008 Conference on Computer Vision, Graphics and Image Processing, Ilan, Taiwan, Republic of China.

212. S. Y. Tsai and W. H. Tsai (2008/11). "Simple automatic path learning for autonomous vehicle navigation by ultrasonic sensing and computer vision techniques," Proceedings of 2008 International Computer Symposium, vol. 2, pp. 207-212, Taipei, Taiwan, Republic of China.

213. H. C. Chen and W. H. Tsai (2008/11). "Optimal security patrolling by multiple vision-based autonomous vehicles with omni-monitoring from the ceiling," Proceedings of 2008 International Computer Symposium, vol. 2, pp.196-201, Taipei, Taiwan, Republic of China.

214. Y. C. Lai and W. H. Tsai (2009/08). "Covert communication via PDF files by new data hiding techniques," Proceedings of 2009 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China.

215. S. H. Hung and W. H. Tsai (2009/08). "Authentication of H.264 surveillance videos by hiding tree-structured macroblock decomposition information," Proceedings of 2009 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China.

216. I. S. Lee and W. H. Tsai (2009/08). "Data hiding in color images by color replacements with reduction of image distortion and change noticeability," Proceedings of 2009 Conference on Computer Vision, Graphics and Image Processing, Nantou, Taiwan, Republic of China.

217. C. J. Wu and W. H. Tsai (2009/09). “A novel method for lateral vehicle localization by omni-cameras for car driving assistance,” Proceedings of 13th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2009), Part II, pp. 403-410, Santiago, Chile.

218. C. J. Wu and W. H. Tsai (2009/09). “Adaptation of space-mapping methods for object location estimation to camera setup changes — a new study,” Proceedings of 13th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2009), Part II, pp. 395-402, Santiago, Chile.

219. I. S. Lee and W. H. Tsai (2009/11). "Covert communication with authentication via software programs using invisible ASCII codes---a new approach," Proceedings of 2009 Workshop on Cryptography and Information Security, National Computer Symposium, Taipei, Taiwan, Republic of China.

220. M. F. Chen and W. H. Tsai (2009/11). "Automatic learning and guidance for indoor autonomous vehicle navigation by ultrasonic signal analysis and fuzzy control techniques," Proceedings of 2009 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, National Computer Symposium, pp. 473-482, Taipei, Taiwan, Republic of China.

221. C. P. Chang and W. H. Tsai (2009/11). "Creation of a new type of art image tetromino-based mosaic image and protection of its copyright by losslessly-removable visible watermarking," Proceedings of 2009 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, National Computer Symposium, pp. 577-586, Taipei, Taiwan, Republic of China.

222. C. T. Yang and W. H. Tsai (2009/11). "Secret multimedia sharing with steganographic effects via PNG images," Proceedings of 2009 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, National Computer Symposium, pp. 461-472, Taipei, Taiwan, Republic of China.

223. C. J. Wu and W. H. Tsai (2010/02). "An omni-vision based localization method for automatic helicopter landing assistance on standard helipads," Proceedings of 2nd International Conference on Computer and Automation Engineering (2nd ICCAE), pp. 327-332, vol. 3, Singapore.

224. C. W. Lee and W. H. Tsai (2010/02). "A new steganographic method based on information sharing via PNG images," Proceedings of 2nd International Conference on Computer and Automation Engineering (2nd ICCAE), pp. 870-874, vol. 5, Singapore.

225. C. W. Lee and W. H. Tsai (2010/07). "Authentication of binary document images in PNG format based on a secret sharing technique," Proceedings of 2010 International Conference on System Science and Engineering (ICSSE 2010), Taipei, Taiwan, to appear.

226. I. J. Lai and W. H. Tsai (2010/08). "Secret-fragment-visible mosaic — a new image art and its application to information hiding," Proceedings of 2010 Conference on Computer Vision, Graphics and Image Processing, Kaohsiung, Taiwan, Republic of China.

227. M. H. Ho and W. H. Tsai (2010/08). "Data hiding via XPS documents - a new study," Proceedings of 2010 Conference on Computer Vision, Graphics and Image Processing, Kaohsiung, Taiwan, Republic of China.

228. B. J. You and W. H. Tsai (2010/08). "Automatic 3D house-layout construction by a vision-based autonomous vehicle using a two-camera omni-directional imaging system," Proceedings of 2010 Conference on Computer Vision, Graphics and Image Processing, Kaohsiung, Taiwan, Republic of China.

229. P. H. Yuan, K. F. Yang and W. H. Tsai (2010/12). "Security monitoring around a video surveillance car with a pair of two-camera omni-directional imaging devices," Proceedings of 2010 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, International Computer Symposium, pp. 325-330, Tainan, Taiwan, Republic of China.

230. S. E. Shih and W. H. Tsai (2011/01). “A new two-omni-camera system with a console table for versatile 3D vision applications and its automatic adaptation to imprecise camera setups,” Proceedings of 17th International Multimedia Modeling Conference (MMM 2011), pp. 193-205, Taipei, Taiwan.

231. C. W. Lee and W. H. Tsai (2011/06). "A grayscale image authentication method with a pixel-level self-recovering capability against image tampering," Proceedings of 2011 IAPR Conference on Machine Vision Applications, Nara, Japan.

232. C. F. Chen and W. H. Tsai (2011/08). "Surrounding environment monitoring by a video surveillance vehicle with 2-camera omni-imaging devices," Proceedings of 2011 Conference on Computer Vision, Graphics and Image Processing, Chiayi, Taiwan, Republic of China.

233. S. C. Liu and W. H. Tsai (2011/08). "Automatic generation of line-based cubism-like art images and their application to data hiding," Proceedings of 2011 Conference on Computer Vision, Graphics and Image Processing, Chiayi, Taiwan, Republic of China.

234. Y. H. Chou and W. H. Tsai (2011/08). "Guidance of a vision-based autonomous vehicle on sidewalks for use as a machine guide dog," Proceedings of 2011 Conference on Computer Vision, Graphics and Image Processing, Chiayi, Taiwan, Republic of China.

235. Y. T. Kuo and W. H. Tsai (2011/09). "A new 3D imaging system using a portable two-camera omni-imaging device for construction and browsing of human-reachable environments," Proceedings of 2011 International Symposium on Visual Computing, Las Vegas, Nevada, USA.

236. Y. L. Li and W. H. Tsai (2011/09). "New image steganography via secret-fragment-visible mosaic images by nearly-reversible color transformation," Proceedings of 2011 International Symposium on Visual Computing, Las Vegas, Nevada, USA.

237. Y. A. Wang and W. H. Tsai (2011/12). "New data hiding techniques via BBS articles using special Big-5 codes and their applications," Proceedings of 2009 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, National Computer Symposium, pp. 1-10, Taipei, Taiwan, Republic of China.

238. T. Y. Lin and W. H. Tsai (2011/12). "A new method for protection of privacy-sensitive regions in surveillance videos using reversible prediction-based mapping functions," Proceedings of 2011 Workshop on Image Processing, Computer Graphics, and Multimedia Technologies, National Computer Symposium, pp. 1-10, Taipei, Taiwan, Republic of China.