ISPRS-Archives The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences ISPRS-Archives Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. 2194-9034 Copernicus Publications Göttingen, Germany 10.5194/isprsarchives-XL-7-W3-791-2015 Using eCognition to automatically detect and map avalanche deposits from the spring 2009 avalanche cycle in the Tatra mts., Slovakia Frauenfelder R. 1 Lato M. J. 2 Biskupič M. 3 4 Norwegian Geotechnical Institute, P.O. Box 3930 Ullevaal Stadion, 0806 Oslo, Norway – BGC Engineering Inc., Ottawa ON, Canada Avalanche Prevention Center, Dr. J. Gašperíka 598, 033 01 Liptovský Hrádok , Slovakia Institute for Environmental Studies, Charles University, Ovocný trh 3-5, 116 36 Praha 1, Czech Republic 29 04 2015 XL-7/W3 791 795 Copyright: © 2015 R. Frauenfelder et al. 2015 This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/ This article is available from https://isprs-archives.copernicus.org/articles/XL-7-W3/791/2015/isprs-archives-XL-7-W3-791-2015.html The full text article is available as a PDF file from https://isprs-archives.copernicus.org/articles/XL-7-W3/791/2015/isprs-archives-XL-7-W3-791-2015.pdf

Here we present results from ongoing work where we apply an object oriented mapping algorithm developed in eCognition in order to automatically identify and digitally map avalanche deposits. The algorithm performance is compared with respect to a selected number of manually digitized avalanche outlines mapped by avalanche experts.