A SAR Image Matching Algorithm Based on Target Detection

This paper presents an algorithm about SAR image matching based on target detection．According to the characteristics of SAR image, this method detects the strong scatterer targets firstly，and then calculates the centroid points of the strong scatterers targets, then these centroid points are used to generating Delaunay triangulation, After triangulation，in the centroids, incenters, circumcenters of the corresponding similar triangle for establishing the maping function between master-image and slave-image. Finally, the test carried out with SAR images of ERS-I, ERS-II satellite, compareing with the methods based on correlation, the experimental result confirms the effectiveness of this method.