Abstract:This paper discusses the generalized definition of image registration and proposes a new measure of image registration-the Alignment Metric(AM). This metric can effectively describe the degree of match of two images with different gray level properties. As a result, the problem of image registration is turned into the maximization of the AM. The new criterion can be used to register multi-modal images including the images with different gray level properties. The Powell’s direction set method with multi-resolution is used to search for a global maximum of the AM. The images can then be registered automatically without the need of the previously located control points or landmark points. Experiments using multi-modal medical and remote sensing images demonstrate the effectiveness of the method.
王东峰; 邹谋炎. 基于最大化对齐度的多模态图像自动配准[J]. 电子与信息学报, 2003, 25(6): 755-762 .
Wang Dongfeng; Zou Mouyan . Automatic registration of multi-modal images based on the maximization of the alignment metric. , 2003, 25(6): 755-762 .