Rapid blocking and grating algorithm of laser radar point clouds data
A technology of lidar and point cloud data, applied in the field of information processing technology, can solve the problems of high space and time complexity of algorithms, irregular geometric relationship of data points, etc., to reduce the process of neighborhood search, reduce requirements, and save calculation. The effect of resources
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[0006] Such as figure 1 As shown, the present invention proposes a block fast and rasterization algorithm for laser radar point cloud data, which includes: a three-dimensional storage mode for laser radar point cloud data, and adaptively selects a suitable Data sub-block size, using forward position search and relative positioning strategy to realize the compression of lidar point cloud data, thereby reducing the neighborhood search and I / O process in the process of discrete point cloud data block and rasterization, and realizing laser Fast block and rasterization of radar point cloud data. The complete technical process is as follows:
[0007] ●Establish a three-dimensional storage matrix of laser radar point cloud data: each laser radar point data contains additional information such as three-dimensional space position coordinates (X, Y, Z) and reflection intensity (density) and echo times under a certain spatial reference system , where the three-dimensional space coordin...
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