Segmentation-based airborne LiDAR point cloud building extraction method
An extraction method and building technology, which are applied in the field of airborne laser LiDAR point cloud data information extraction, can solve the problems of complex extraction method and process, and achieve the effects of simple algorithm, high filtering accuracy and high extraction accuracy.
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[0069] Embodiment: For the needs of airborne lidar building point cloud extraction, the present invention provides a method for extracting airborne lidar building point cloud based on segmentation, by combining a novel histogram method to distinguish between buildings and Vegetation solves the problem that the current building extraction needs to combine multiple feature parameters.
[0070] like figure 1 Shown flow chart, for the needs of airborne laser radar building point cloud extraction, the present invention provides a kind of airborne LiDAR point cloud building extraction method based on segmentation, and it comprises the following steps:
[0071] Step 1, load the airborne laser LiDAR point cloud data;
[0072] Step 2, identifying noise points in the airborne laser LiDAR point cloud, and removing noise points;
[0073] Step 3, perform cloth simulation filtering to separate ground points and non-ground points;
[0074] Step 4, perform region growing segmentation on th...
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