1. Institute of Imaging and Biomedical Photonics; National Chiao Tung University; Tainan
2. Graduate School of Electronic and Optoelectronic Engineering; National Yunlin University of Science & Technology; Taiwan
3. Graduate Institute of Color and Illumination Technology; National Taiwan University of Science and Technology; Taiwan
4. Department of Electrical Engineering; National Yunlin University of Science and Technology; Yunlin Taiwan