MultiMedia modeling 26th international conference, MMM 2020, Daejeon, South Korea, January 5–8, 2020, proceedings, part I - Cheng, Wen-Huang; Kim, Junmo; Chu, Wei-Ta; Cui, Peng; Choi, Jung-Woo; Hu, Min-Chun; De Neve, Wesley (Lecture notes in computer science, 2020)