1. Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong, China
2. Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing Institute of Technology, Beijing, China
3. Shenzhen Key Laboratory of Robotics Perception and Intelligence and the Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China
4. Department of Electronic Engineering and the Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong, Hong Kong, China