According to the deficiency of SIFT algorithm for matching multi-source remote sensing image feature points, this paper
provides a multi-sensor image registration algorithm of window segmentation based on SIFT point and line feature
vector. Firstly, we roughly matched the remote sensing images, and then we divided the remote sensing images into
several separate temporary windows based on their characteristics. In the sub-window, we extracted SIFT feature point
of remote sensing images and selected the eight directions points with the same name around the feature points to build
line feature vectors. Finally, we ended up match point set by constraining the initial point of the SIFT algorithm. Tests
show that this method achieved a high matching accuracy.
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