Abstract:

In order to solve the problem of poor effect in image stitching caused by the rotation, and the differences in light intensity, an image stitching algorithm based on the feature points is proposed in this paper. The algorithm first determines the overlapped area in images using the method of phase correlation, then extracts the corners with improved Harris detecting algorithm,and the feature point matching pairs acquired by NCC（normalized cross correlation） method, finally we are able to complement the fusion of stitching images by using the step-in-step-out method. The experiment results show that the algorithm improves the speed and accuracy of image stitching effectively.

Key words: image mosaic, feature points, phase correlation, image fusion