Xiangjun Pei received his M.Sc. degree in geotechnical engineering from Changchun Institute of Geology in 1998 and his Ph.D. degree in geological engineering from Jilin University in 2003. From 2004 to 2008, he was a postdoctoral fellow in geological engineering at Chengdu University of Technology. Since 1991, he has been working as a lecturer at Changchun Institute of Technology, Changchun Institute of Geology and Changchun Institute of Technology. Since 2009, he has been a lecturer at Chengdu University of Technology. He was the National Candidate of the Ministry of Personnel's "New Century Hundred Thousand Talents Project" in 2017. His research interests mainly focus on landslide and multispectral data.