1. Baltsavias, E.P., 1991. Multiphoto geometrically constrained matching. PhD Dissertation, Report No. 49, Institute of Geodesy and Photogrammetry, ETH Zurich, Switzerland.
2. Radiometric and geometric evaluation of IKONOS geo images and their use for 3D building modeling;Baltsavias,2001
3. Automated Road Extraction and Updating using the ATOMI System-Performance Comparison between Aerial Film, ADS40, IKONOS and QuickBird Orthoimagery;Baltsavias;International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences,2004
4. DSM generation and interior orientation determination of IKONOS images using a testfield in Switzerland;Baltsavias,2005
5. A computational approach to edge detection;Canny;IEEE Transactions on Pattern Analysis and Machine Intelligence,1986