Qihao WengQihao Weng, Ph.D., is a professor of geography and the director of the Center for Urban and Environmental Change at Indiana State University. From 2008 to 2009, he visited NASA as a senior research fellow. Dr. Weng is also a guest/adjunct proessor at Wuhan University and Beijing Normal University, and a guest research scientist at Beijing Meteorological Bureau. He currently serves as national director for the American Society for Photogrammetric and Remote Sensing (ASPRS) and is an associate editor of ISPRS Journal of Photogrammetric and Remote Sensing. Read More Read Less