[Wen, Yafei;Zou, Changqing;Liu, Jianzhuang] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China.^[Wen, Yafei] Univ Chinese Acad Sci, Beijing, Peoples R China.^[Zou, Changqing] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang, Peoples R China.^[Liu, Jianzhuang] Chinese Univ Hong Kong, Huawei Technol Co Ltd, Dept Informat Engn, Media Lab, Hong Kong, Hong Kong, Peoples R China.