Dr. Min Zhang is a Research Assistant Professor at the Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University. He obtained his B.Sc., M.Sc. and Ph.D. in Engineering at Wuhan University. His research interests include deep learning, artificial intelligence, remote sensing, change detection, object recognition, and spatial data quality. He has developed a series of AI algorithms for remote sensing object extraction (e.g., building, landslide, etc.) and change detection. He also has extensive practical experience in spatial data quality. He has designed and implemented several software for spatial data quality inspection, which has been employed by government departments and companies.