Slice adaptive filtering algorithm based on single-photon laser point cloud density segmentation
An adaptive filtering and laser point cloud technology, which is applied in the re-radiation of electromagnetic waves, radio wave measurement systems, and the use of re-radiation, can solve the problems of increased calculation amount of laser point cloud, no solution proposed, poor filtering effect, etc. , to achieve the effect of improving calculation speed and efficiency, good adaptive filtering effect, and efficient extraction
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[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0048] According to an embodiment of the present invention, a slice adaptive filtering algorithm based on single-photon laser point cloud density segmentation includes the following steps:
[0049] S1: On the original airborne photon point cloud with different spatial densities, such as figure 2 As shown, according to a laser scanning time or the width of the laser moving distance and the maximum photon elevation as the height, a spatial area scanning window is constructed;
[0050] S2: Sca...
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