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Difference BRIEF and OPPONENT_BRIEF?

asked 2013-05-29 10:16:15 -0600

flag of Belgium

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In the Descriptors from OpenCV I have the following line: descriptor2 = DescriptorExtractor.create(DescriptorExtractor.BRIEF);

But there is Also a DescriptorExtractor.OPPONENT_BRIEF

What is the exact difference between the two? I tried to google Opponent_brief for OpenCV, but got no good answer anywhere.

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answered 2013-05-29 10:48:17 -0600

Guanta
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The opponent color space is used, see http://docs.opencv.org/modules/features2d/doc/common_interfaces_of_descriptor_extractors.html?highlight=opponent#opponentcolordescriptorextractor . Note: You need a 3-chan input-image and the output-descriptor-size will be three times the normal size.

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Asked: 2013-05-29 10:16:15 -0600

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Last updated: May 29 '13

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