1. Department of Electrical Engineering, National Dong Hwa University, 63373 Shoufeng, Taiwan, (e-mail: 810523001@gms.ndhu.edu.tw)
2. Department of Electrical Engieneering, National Dong Hwa University, 63373 Hualien, Taiwan, (e-mail: cmj@gms.ndhu.edu.tw)
3. Department of Electrical Engieneering, National Taiwan Normal University, 34879 Taipei, Taiwan, 106 (e-mail: chyeh@ntnu.edu.tw)
4. Department of Electrical Engineering, National Dong Hwa University, 63373 Shoufeng, Taiwan, (e-mail: 410623020@gms.ndhu.edu.tw)
5. Department of Electronic Engineering, National Taipei University of Technology, 34877 Taipei, Taiwan, (e-mail: ljkau@ntut.edu.tw)
6. Department of Computer Science and Information Engineering, National Yunlin University of Science and Technology, 34883 Douliou, Taiwan, (e-mail: chuanyu@yuntech.edu.tw)
7. Department of Electrical Engineering, National Sun Yat-sen University, 34874 Kaohsiung, Taiwan, (e-mail: sylvia821120@gmail.com)