Edge detection method and device based on grid data, medium and equipment
A grid data and edge detection technology, applied in image data processing, instrumentation, 3D modeling, etc., can solve the problem that the 2D edge detection method is difficult to popularize, easy to destroy the order of the ordered point cloud, and the order of the point cloud is difficult to guarantee. And other issues
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[0073] 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, but not to limit the protection scope of the present invention in any way.
[0074] It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0075] (1) 5D texture grid data structure (SeizetColorMesh)
[0076] The 5D texture grid data structure is indexed by the connection relationship of vertices, half-edges, and four-corner patches, which is used for four-corner grid reconstruction of point cloud data. After the point cloud is represented by the data structure based on the 5D texture grid, it has a topological structure And ...
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