jgg     2009 29 (1):  106-109    ISSN: 0412-1961  CN: 21-1139/TG OPTIMAL SEGMENTATION SCALE MODEL BASED ON OBJECT-ORIENTED ANALYSIS METHOD He Min; Zhang Wenjun ;and Wang Weihong College of Environment and Resource, Southwest University of Science and Technology, Mianyang 621010 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null