A fast calculation method of workpiece allowance based on 3D measurement point cloud data
A technology of 3D point cloud and point cloud data, applied in the field of 3D reconstruction, can solve the problems of no data preprocessing, low calculation efficiency, long time, etc., and achieve the effect of fast calculation and improved search efficiency
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[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0031] Please refer to figure 1 , the embodiment of the present invention provides a method for quickly obtaining workpiece margin based on three-dimensional measurement point cloud data, including the following:
[0032] S101: Use a three-dimensional scanner to scan the processed workpiece to obtain three-dimensional point cloud data of the processed workpiece surface;
[0033] The experimental workpiece in this example is a case, please refer to the obtained point cloud data (partial) figure 2 .
[0034] S102: Perform voxel filtering and denoising on the 3D point cloud data to obtain 3D point cloud data after filtering and denoising; use the kd-tree method to obtain point cloud normals for the 3D point cloud data after filtering and denoising ;
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