Stereo camera and automatic range finding method for measuring a distance between stereo camera and reference plane
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Nov 28, 2017
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Jul 19, 2015
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Sep 18, 2014
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Abstract
An automatic range finding method is applied to measure a distance between a stereo camera and a reference plane. The automatic range finding method includes acquiring a disparity-map video by the stereo camera facing the reference plane, analyzing the disparity-map video to generate a depth histogram, selecting a pixel group having an amount greater than a threshold from the depth histogram, calculating the distance between the stereo camera and the reference plane by weight transformation of the pixel group, and applying a coarse-to-fine computation for the disparity-map video.
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