Method and apparatus for detecting incorrect associations between keypoints of a first image and keypoints of a second image
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United States of America Patent
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Sep 19, 2017
Grant Date -
Nov 17, 2016
app pub date -
Jul 29, 2016
filing date -
Jan 30, 2014
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Abstract
The invention relates to a method (100) for detecting incorrect associations between keypoints of a first image and keypoints of a second image, the method (100) comprising associating (101) every keypoint of the first image with every keypoint of the second image to obtain global associations, determining (103) similarity measures for pairs of initial associations, determining (105) similarity measures for pairs of global associations, determining (107) a first number of pairs of initial associations having a similarity measure within a predetermined range, determining (109) a second number of pairs of global associations having a similarity measure within the predetermined range, and comparing (111) the first number of pairs with the second number of pairs to detect the incorrect associations. The invention further relates to an apparatus for detecting incorrect associations between keypoints of a first image and keypoints of a second image.
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