Multilayer Riemann diagram constraint-based surface sample normal propagation method
A sample method and surface technology, applied in image enhancement, image analysis, image data processing, etc., can solve problems such as the inapplicability of the point cloud method, and achieve the effects of improving computing efficiency and accuracy, increasing throughput, and improving efficiency
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[0033] Embodiment 1: apply the method described herein to unify the normal direction of the sampled data, wherein the normal direction is calculated by the PCA algorithm. The model has a large scale and complex structure, including sharp features, transition surfaces and other complex geometric feature areas, which can be used as model data to verify the effectiveness of the method described in this paper. By observing Figure 4 It can be seen that the method in this paper can correctly realize the normal unification of sharp features and transitional surface regions.
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