Automatic selecting method of three-dimensional model optimal view
A 3D model, optimal view technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as efficient browsing of inapplicable 3D data sets, neglect of consideration, and difficulty in ensuring the optimal view of similar models. Efficient browsing, high pose consistency
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[0109] In this example, if figure 2 Shown is the input three-dimensional model set, through the automatic selection method of the optimal view of the three-dimensional model described in the present invention, can obtain figure 2 Each 3D model in eg. The specific implementation process is as follows:
[0110] In step 1, after the 3D model undergoes the attitude correction process and the scale normalization process, the category of the 3D model without a category label is determined, and a corresponding category label is added.
[0111] In step 2, the 3D model view sampling process generates polyhedrons surrounding the model, with vertices as viewpoints, such as Figure 3a As shown, the projection of the 3D model is obtained at each viewpoint, and multiple 2D views of the 3D model are obtained, such as Figure 3b shown, and then extracted through the view feature extraction process Figure 3b The features of each two-dimensional view in , and then cluster the view featur...
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