With the rapid development of machine vision, binocular stereo vision based\non the principle of parallax has gradually become the core of scientific research.\nThis paper briefly presents the background and research significance,\nelaborates the research status of binocular vision robot at home and abroad\nand studies the checkerboard calibration method, and uses Matlab to complete\nbinocular camera calibration. Stereo matching technology is the core\nand most difficult part of binocular stereoscopic 3D reconstruction research.\nFirstly, the image acquired after calibration is enhanced by gray scale transformation\nto make the image clearness optimal, and then use NCC (normalization\ncross-compilation). The algorithm performs the matching of left and\nright image pairs in the Matlab environment to generate an optimal matching\ndisparity map.
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