1. State Key Laboratory of Media Convergence and Communication, Neuroscience and Intelligent Media Institute, Communication University of China (CUC), Beijing, China
2. Computer Vision Laboratory, ETH Zürich, Zürich, Switzerland
3. Inception Institute of Artificial Intelligence, Abu Dhabi, United Arab Emirates
4. School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
5. Department of Computer and Information Science, State Key Laboratory of Internet of Things for Smart City, University of Macau, Macau, China