Shape matching locating method and device based on yin-yang discrete point sampling model
A positioning method and discrete point technology, applied in the field of image matching and recognition, which can solve the problems of complex and rapid extraction and accurate distinction.
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[0059] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0060] A shape contour matching method based on the negative and positive discrete point sampling diagram constructed in this embodiment includes extracting a shape contour template from the negative discrete point sampling diagram or positive ion discrete point sampling diagram of the sample image, optimizing the extracted template and using The obtained shape profile templates are preferably subjected to several processes of matching.
[0061] Specifically, shape contour templates are matched in the negative discrete point sampling map, and the matching ratio between them is calculated by density...
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