Jun-Wei Hsieh, Cheng-Chin Chiang1, Yea-Shuan Huang2 and W. E. L. Grimson3
Department of Electrical Engineering
Yuan Ze University
Chungli, 320 Taiwan
E-mail: shieh@saturn.yzu.edu.tw
1Department of Computer Science and Information Engineering
National Dong Hwa University
Hualien, 974 Taiwan
2Advanced Technology Center, Compuer and Communication Laboratories
Industiral Technology Reserach Institute
Hsinchu, 310 Taiwan
3Artificial Intelligence Laboratory
Massachusetts Institute of Technolgoy
MA 02139-4307, U.S.A.