SYSTEM AND METHOD FOR SCAN-MATCHING ORIENTED VISUAL SLAM
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United States of America
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Feb 6, 2020
app pub date -
Aug 4, 2018
filing date -
Aug 4, 2018
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Abstract
A system and method for constructing and updating a two dimensional (2D) grid cell map based on depth images and RGB images. The method includes: providing an RGB image and a depth image by a sensor of a computing device; determining scores of pixels in the RGB image representing possibility of the pixels being located in a ground plane; determining normal directions of pixels in the depth image; determining the ground plane based on the scores and the normal directions; projecting the pixels in the depth images to the ground plane; and generating and updating the 2D grid cell map by defining the ground plane into grid cells and attributing a color descriptor to each grid cell. The color descriptor of each grid cell is calculated based on the projected pixels within that grid cell.
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