CHANG Bao, ZHANG Gong. An Unsupervised Approach Based on Geometrical Structures to Automatic Change Detection in Multitemporal SAR Images[J]. Acta Electronica Sinica, 2011, 39(9): 2125-2129.
CHANG Bao, ZHANG Gong. An Unsupervised Approach Based on Geometrical Structures to Automatic Change Detection in Multitemporal SAR Images[J]. Acta Electronica Sinica, 2011, 39(9): 2125-2129.DOI:
Traditional statistically-based SAR image change detection is usually limited by imaging conditions.We propose an unsupervised change detection algorithm based on the image inherent geometrical structures.Firstly
an approximate complete data set is constructed to describe the image local features via fuzzy derivatives
and then a feature vector space is made to represent the image inherent structures using image local neighborhood information and spatial correlation.Finally the change map is produced by simulated annealing-based
k
-means (SAKM) clustering arithmetic.Experimental results show great detection performance both in contour and region.Besides