Local feature descriptor extracting apparatus, method for extracting local feature descriptor, and program
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United States of America Patent
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Oct 31, 2017
Grant Date -
Oct 9, 2014
app pub date -
Sep 11, 2012
filing date -
Nov 18, 2011
priority date (Note) -
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Abstract
The size of a feature descriptor is reduced, with the accuracy of object identification maintained. A local feature descriptor extracting apparatus includes a feature point detecting unit configured to detect a plurality of feature points in an image and output feature point information that is information on each of the feature points, a feature point selecting unit configured to select the predetermined number of feature points from the detected plurality of feature points in order of decreasing importance based on the feature point information, and a local feature descriptor generating unit configured to generate a local feature descriptor that is a feature descriptor in a local region for each of the selected feature points.
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