1. Department of Computer Science and Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan
2. Department of Computer Science and Engineering, National Chung Hsing University, Taichung, Taiwan
3. Department of Wafer Test, NXP Semiconductors Taiwan Ltd., Kaohsiung, Taiwan
4. Department of Electrical Engineering, National Central University, Chungli, Taiwan
5. Department of Electrons Engineering, Chung Yuan Christian University, Chungli, Taiwan
6. Division for Design Automation Technology, Information and Communication Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan