1. Department of Electronic Engineering, Chang Gung University, Guishan, Taoyuan, Taiwan
2. Department of Computer Science and Information Engineering, Chang Gung University, Guishan, Taoyuan, Taiwan
3. Department of Computer Science and Information Engineering and Artificial Intelligence Research Center, Chang Gung University, Guishan, Taoyuan, Taiwan
4. Department of Electronic Engineering and Green Technology Research Center, Chang Gung University, Guishan, Taoyuan, Taiwan