Pattern recognition and computer vision third Chinese conference, PRCV 2020, Nanjing, China, October 16–18, 2020, proceedings, part I - Peng, Yuxin; Liu, Qingshan; Lu, Huchuan; Sun, Zhenan; Liu, Chenglin; Chen, Xilin; Zha, Hongbin; Yang, Jian (Lecture notes in computer science, 2020)