CHE-WEN CHEN1, SHIH-PANG TSENG2 AND JHING-FA WANG1
1,3Department of Electrical Engineering
National Cheng Kung University
Tainan, 701 Taiwan
2School of Software
Changzhou College of Information Technology
Changzhou, 213164 P.R. China
E-mail: 1kfcmax300@gmail.com; 2tsengshihpang@ccit.js.cn; 3jameswangjf@gmail.com