1. Department of Automatic Control EngineeringFeng Chia University Taichung Taiwan, Republic of China
2. Electrical and Communication EngineeringFeng Chia University Taichung Taiwan, Republic of China
3. Department of RadiologyTri‐Service General Hospital Taipei Taiwan, Republic of China
4. Department of Diagnostic RadiologyThe University of Hong Kong Hong Kong, China
5. Department of Electrical EngineeringNational Taiwan University Taipei Taiwan, Republic of China
6. Department of Otolaryngology–Head & Neck SurgeryTri‐Service General Hospital Taipei Taiwan, Republic of China
7. Department of Medical ImagingChina Medical University Hsinchu Hospital Hsinchu Taiwan, Republic of China
8. Department of Radiology, School of Medicine, College of MedicineChina Medical University Taichung Taiwan, Republic of China