Vehicle-mounted point cloud clustering method based on context characteristics and graph cut algorithm
A technology of graph cut algorithm and clustering method, which is applied in computing, image analysis, image data processing, etc., can solve problems such as lack of correlation of data points, and achieve the effect of improving over-segmentation and improving accuracy
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[0035] The technical solutions of the present invention will be further specifically described below in conjunction with the accompanying drawings and embodiments.
[0036] Aiming at the problems of the prior art, the present invention proposes a new point cloud clustering method. First, the point cloud data is over-segmented, and the obtained supervoxels are used as the unit for subsequent clustering feature calculation, and then spatial and attribute context features are introduced. To describe the relationship between point cloud data, and further define the weights of the graph model edges constructed by super-voxels, and finally achieve the best super-voxel clustering based on the multi-label graph cut optimization algorithm. The voxels used in traditional clustering methods are standard cubes, but the supervoxels proposed by the present invention are point sets for preliminary clustering. Compared with the traditional clustering method, this method can effectively improv...
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