Intelligent processing feature identification method based on point cloud semantic segmentation
A technology for processing features and semantic segmentation, applied in character and pattern recognition, special data processing applications, instruments, etc., can solve problems such as poor generality of methods, difficulty in identifying special-shaped processing features and free-form surface features, etc. The expansion of the training set size and the effect of accelerating the training speed
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[0041]The invention provides a processing feature intelligent recognition method based on point cloud semantic segmentation, which converts the processing feature intelligent recognition problem of a part CAD model into the semantic segmentation problem of a three-dimensional point cloud model. Establish a 3D part CAD model library for small batch-customized products and preprocess to obtain a training data set, and further input the data set into the improved PointNet semantic segmentation network. This network is based on the PointNet semantic segmentation network. By introducing the ResNet network The residual block structure improves the segmentation accuracy. Finally, various processing features are input into the detection module, and the types of processing features are verified and the number of processing features is determined through abnormal point detection and DBSCAN clustering algorithm. The processing feature intelligent recognition method proposed by the presen...
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