Method for estimating disparity search range to which multi-level disparity image division is applied, and stereo image matching device using the same
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United States of America Patent
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Oct 10, 2017
Grant Date -
Mar 23, 2017
app pub date -
Jan 7, 2016
filing date -
Sep 21, 2015
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Abstract
Provided is a method for estimating a disparity search range to which multi-level disparity image partition is applied, and a stereo image matching device using the same in that a disparity histogram of a previous disparity image is analyzed at the time of stereo matching of a continuous image, the disparity image is divided into various sizes of image blocks, and a disparity search range is estimated on the basis of a disparity value having the number of pixels equal to or more than a predetermined threshold value for each image block, thereby decreasing a calculation amount while improving a stereo matching rate of the next frame.
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