Image Registration Based on Zernike SIFT
Image registration is a key factor of computer vision, including object recognition and tracking. There have been many algorithms. Due to the invariance of scale, rotation and illumination, the Scale Invariant Feature Transform has been widely used in this area. In this paper, we combined the algorithm with Zernike moment to improve the accuracy and speed of matching. The way of getting the key point is the same with the Scale Invariant Feature Transform, but the difference is the descriptor which has the invariance of scale, rotation and illumination. The Scale Invariant Feature Transform used the rotation invariance property of the main gradient orientation, and generated the descriptor with the combined gradient orientation. The Zernike moment is rotation invariance, so we used it to generate the descriptor instead of the gradient orientation. Thus, we got the descriptor in one step instead of two steps in the Scale Invariant Feature Transform. The experiment results show that the combined algorithm is faster and more accurate then the SIFT.
Image Registration Key points SIFT Rotation Invariance Zernike Moment
Jia Liu Caicheng Shi Meiguo Gao
Beijing Institute of Technology Beijing,China
国际会议
太原
英文
543-545
2011-02-26(万方平台首次上网日期,不代表论文的发表时间)