%0 Journal Article %A SU Kexin1 %A 2 %A HAN Guangliang2 %A SUN Haijiang2 %T Improved SIFT algorithm on scene matching for anti-viewpoint changing %D 2015 %R %J Computer Engineering and Applications %P 172-177 %V 51 %N 5 %X To overcome the great viewpoint changing between the real-time image which is acquired by the seeker and the reference image of target area during the electro-optical imaging guidance, an improved SIFT algorithm on scene matching is proposed to bridge the gap of the original one, which may lead to failed scene matching for the lack of correct matched pairs. It increases matched pairs by extracting viewpoint changing resistant points which got from the affine transformation resistant regions extracted in the Gaussian scale-space. Experimental results show that the proposed algorithm is robust to viewpoint changingļ¼šit can acquire nearly 5 times more correct rate of matching than the original one with the viewpoint ranges from 50° to more than 60° and can satisfy the practical need. %U http://cea.ceaj.org/EN/abstract/article_32973.shtml