1. Department of Information Engineering; I-Shou University; Taiwan
2. Department of Radiation Oncology; E-Da Hospital; Kaohsiung Taiwan
3. Institute of Radiological Science; Central Taiwan University of Science and Technology; Taichung Taiwan
4. Medical Physics & Informatics Lab; Department of Electronics Engineering; National Kaohsiung University of Applied Sciences; Kaohsiung Taiwan
5. Department of Medical Imaging and Radiological Sciences; I-Shou University; Taiwan