Affiliation: | 1.Department of Multimedia Engineering, Dongguk University-Seoul, 30 Pildong-ro, 1-gil, Jung-gu, Seoul, 04620, Republic of Korea ;2.Department of Computer Science and Engineering, Seoul National University of Science and Technology, 232 Gongneung-ro, 1-gil, Nowon-gu, Seoul, 01811, Republic of Korea ; |