Multi-sensor fusion road extraction and indexing method based on global and local grid maps
A technology of multi-sensor fusion and road extraction, applied in still image data indexing, still image data retrieval, instruments, etc., can solve the problems of single semantic information, low efficiency, and high degree of specialization, and achieve efficient data processing, compressed data, The effect of efficient storage and recall
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[0058] 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 a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0059] See figure 1 The present invention proposes a method for road extraction and indexing based on multi-sensor fusion of global and local grid graphs, which includes the following steps:
[0060] Step 1. Establish global and local grid maps, and establish the association between the local grid maps and the global grid maps according to vehicle positioning information;
[0061] Step 2. Extract the laser point cloud raster with the aver...
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