1. Media Analytics and Computing Lab, School of Informatics, Xiamen University, Xiamen, China
2. Institute of Automation, Chinese Academy of Science, Beijing, China
3. YouTu Laboratory, Tencent Company, Ltd., Shanghai, China
4. Peng Cheng Laboratory, Shenzhen, China
5. School of Electronic and Computer Engineering, Peking University, Beijing, China
6. Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, Xiamen, China