André, Gilles, Sigrid Hess, and Catherine Mering. “GRAY TONE FILTERING ON ERS-SAR IMAGES APPLIED TO CHANGE DETECTION AND MAPPING”. Image Analysis and Stereology 21, no. 3 (May 3, 2011): 215–219. Accessed May 2, 2025. http://233.ablak.arnes.si/ojs/index.php/IAS/article/view/716.