Abstract—In order to provide support for image registration, the application of template matching in image registration is studied. This paper sums up four types, introduces the principle of each algorithm, and compares their advantages and disadvantages through simulation experiments: Based on the gray information of the algorithm is simple and real-time, but for complex image and low gray contrast images, cross matching results; mathematical transform based on the complex, large amount of calculation; mutual information does not require preprocessing, registration effect is good, is the research hotspot at present, but ignores the spatial relationship between pixels.
Keywords—Image registration, Image matching, Template matching.
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