1. Faculty of Innovation Engineering, Macau University of Science and Technology, Macau 999078, P. R. China
2. Suzhou Automotive Research Institute, Tsinghua University, Suzhou 215000, P. R. China
3. Beijing Smarter Eye Technology Co., Ltd., Beijing 100023, P. R. China
4. Hisilicon (Shanghai) Technologies Co., Ltd., Shanghai 201100, P. R. China