[Wu, Ruoyou;Li, Cheng;Yang, Jing;Fan, Wenxin;Wang, Shanshan] Chinese Acad Sci, Paul C Lauterbur Res Ctr Biomed Imaging, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China.^[Wu, Ruoyou;Liang, Yong] Pengcheng Lab, Shenzhen 518055, Peoples R China.^[Wu, Ruoyou;Fan, Wenxin] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.^[Cheng, Jian] Beihang Univ, Sch Comp Sci & Engn, Beijing 100191, Peoples R China.^[Zou, Juan] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410114, Peoples R China.