Jie Shan received his PhD in photogrammetry and remote sensing from Wuhan University, China. Since then he has worked as faculty at universities in China, Sweden, and the United States, and has been a research fellow in Germany. Currently, he is an associate professor in geomatics engineering at the school of Civil Engineering of Purdue University, West Lafayette, Indiana, where he teaches subjects in photogrammetry and remote sensing, and geospatial information science and technology. His research interests are digital mapping, geospatial data mining, and urban modeling. He is a recipient of multiple academic awards and author/coauthor of over 100 scientific papers. Charles K. Toth has PhDs in electrical engineering and geoinformation science from the University of Budapest, Budapest, Hungary, and is currently a senior research scientist with the Ohio State University Center for Mapping. His research expertise covers broad areas of 2D/3D signal processing, spatial information systems, airborne imaging, surface extraction and modeling, integrating and calibrating of multisensor systems, multisensory geospatial data acquisition systems, and mobile mapping technology. His references are represented by over 150 scientific/technical papers.
