Hung-Kuang Chen1,3, Chin-Shyurng Fhan2, Jeffery J. P. Tsai4 and Ming-Bo Lin1
1Department of Electronic Engineering
2Department of Computer Science and Information Engineering
National Taiwan University of Science and Technology
Taipei, 106 Taiwan
3Department of Information and Design
Asia University
Taichung, 413 Taiwan
4Department of Computer Science
University of Illinois at Chicago
Chicago, IL 60637, U.S.A.