Professional Activities:

7/1973 – 7/1974	Senior design engineer, Burroughs Corporation, Detroit, Michigan.
8/1974 – Now	Associate and then Full Professor, Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan.
8/1975 – 7/1981	Chairman, Institute of Computer Science, National Chiao Tung University, Hsinchu, Taiwan.
1974 / 1976 / 1978	Organizing committee member (under the leadership of Prof. King-Sun Fu, Prof. C. V. Ramomoorthy, Prof. S. S. Yau, and Prof. Mike Liu) of International Computer Symposium, Taipei, Taiwan.
12/1980	Visiting scientist, Lawrence Berkeley Laboratory, University of California, Berkeley, CA.
8/1988- 7/1990	Chairman, Institute of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu, Taiwan.
8/1989 - 2/1990	Visiting Professor, Center for Automation Research, University of Maryland, College Park, MD.
12/1990 – 12/1992	Founding ( first-term) President of the Chinese Image Processing and Pattern Recognition Society (CIPPR), Taiwan.
1991	PC member of IEEE International Carnahan Conference on Security Technology, Taipei, Taiwan.
8/1991	Honorable General Chair, 1st IPPR Conference on Computer Vision, Graphics, and Image Processing, Tainan Hsien, Taiwan.
1994 – Present	Member of Governing Board of International Association of Pattern Recognition (IAPR).
12/1994	General Co-Chair (with Prof. H. J. Siegel), International Conference on Parallel and Distributed Systems, Hsinchu, Taiwan.
8/1994 – 7/2000	Associate Editor of Journal of Information Science and Engineering.
3/2002	General Co-Chair (with Prof. S K. Chang and Prof. S. Y. Lee), 5th International Conference on Visual Information Systems, Hsinchu, Taiwan.
1994	PC member of 12th International Conference on Pattern Recognition, Israel.
1994	PC member of 4th International Workshop on Frontiers in Handwriting Recognition, Taipei, Taiwan.
1996	PC member of ACM Conference on Virtual Reality Software and Technology (VRST), Taipei, Taiwan.
2000	PC member of 4th Asia Conference on Computer Vision, Taipei, Taiwan.
2000 / 2002	PC member of International Computer Symposium, Taipei and Hualien, Taiwan.
2002	General Co-Chair (with Prof. S K. Chang and Prof. S. Y. Lee), of 5th International Conference on Visual Information Systems, Hsinchu, Taiwan.
2004	PC member of Asian Conference on Computer Vision, Korea.
2005	Conference Chair of the 9th IEEE Int’l Workshop on Cellular Neural Networks and Their Applications (CNNA), Taiwan.