A New Approach for SAR Images Matching Based on Optimal Gradient Filter and Multi-Window Method
Mohammad Amin Ghannadi, Mohammad Saadat Seresht, Mahdi Motagh, Akram Eftekhari · 2012
Nowadays, with the development of science and technology, particularly the various missions in order to obtain radar images from around the world, Discussions of these images in order to produce a variety of terrain elevation model has important. Digital Elevation Models (DEM) can be generate by interferometric SAR and Radargrammetry techniques from SAR images. SAR images matching is one the important discussed issues in this study. Because of different geometrical phenomena for example shadow, foreshortening and layover and also the effect of speckle noise on the images, SAR image matching is more complicated than optical image matching. The eefficient algorithm for matching of SAR images is one of the key points for improving both accuracy and efficiency. In this paper a new Feature Base image matching technique is defined based on optimal gradient filter and multi-window approach.