Ke Xian is a Ph.D. candidate at School of Artificial Intelligence and Automation, Huazhong University of Science and Technology (HUST), China. His supervisor is Prof. Zhiguo Cao. Before that, he received Bachelor's degree from School of Automation at HUST in 2014. From Aug. 2016 to Sep. 2017, I was a visiting student in Prof. Chunhua Shen's group at the University of Adelaide, Australia. From Mar. 2019 to Jun. 2019, he was an intern at Adobe Research, working with Dr. Jianming Zhang, Dr. Oliver Wang, Dr. Long Mai, and Dr. Zhe Lin. His research primarily centers on algorithms issues in dense prediction (e.g., monocular depth prediction and semantic image segmentation) and feature matching.