VILab won CVPRW 2021 DSEC competition. “EI-Stereo” by S. Mohammad Mostafavi I., Yeongwoo Nam, Kuk-Jin Yoon, and Jonghyun Choi achieves the best performance using both the event data and image (E + I). And “CESNet” by Hyeokjun Kweon, Jaeseok Jeong, Sung-hoon Yoon, Yujeong Chae, and Kuk-Jin Yoon achieves the best performance using only event data. Overall, the methods won first and second place in the competition.