A grid map positioning method based on point cloud registration
A raster map and positioning method technology, applied in image data processing, 2D image generation, geographic information database and other directions, can solve the problems of inaccurate AMCL estimated pose and slippage, and achieve fast and efficient positioning and good stability. , the effect of avoiding positioning errors
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[0028] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, through the description of the embodiments, to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention.
[0029] figure 1 A flowchart of a method for locating a grid map based on point cloud registration provided by the embodiment of the present invention, the method specifically includes the following steps:
[0030] Step 1) Initialize the particle filter: build a particle filter, and randomly distribute particles according to the Gaussian model near the initial pose to ensure that the particles fall into the free area of the global map. The free area is the area where the lidar detects no obstacles. The free area is the valid area of the global map;
[0031] Step 2) Point cloud preprocessing: use statistical probability f...
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