Questions - OpenCV Q&A Forum

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2013-09-30 05:21:51 -0600 Rui Marques

Good feature descriptor/matcher for matching photo of different size

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2013-01-18 07:06:40 -0600 Haris

ORB how-to.

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2013-07-16 11:21:08 -0600 GilLevi

InitModule_nonFree() - unresolved externel symbol.

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2013-07-14 16:35:17 -0600 Notas

Problem accessing Mat

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2013-10-27 21:57:15 -0600 shige

how to specify SURF parameters at FeatureDetector object ?

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2012-12-29 12:43:14 -0600 wahoo_wa

Relation between BOWImageDescriptorExtractor descriptors and trained vocab?

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2012-10-22 15:05:39 -0600 valgussev

Which feature descriptor should I use with Harris corner detector?

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2013-02-16 09:40:39 -0600 Guanta

How does the SiftDescriptorExtractor convert descriptor values?

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2013-02-24 04:05:33 -0600 Alexander Smorkalov

DescriptorExtractor::compute

DescriptorExtractor

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2013-03-27 17:23:36 -0600 rylexr

DescriptorExtractor.compute() is not removing keypoints

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2013-03-28 15:23:51 -0600 Guanta

Keypoint Descriptor with different size on different computers

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2013-08-23 04:10:54 -0600 Emmanuel

Why do the values returned from Brisk's smoothedIntensity it are very large, much larger than intensity values?

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2014-06-27 10:00:28 -0600 GilLevi

Problem in implementing rotation invariant BRIEF

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2015-01-16 09:55:29 -0600 berak

Problem on initialize FeatureDetector or DescriptorExtractor on OpenCV 3.0

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2015-01-26 03:45:33 -0600 Cora

Which Extractor do I have to use for FAST Detector?

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2015-05-28 10:43:14 -0600 thdrksdfthmn

How can custom keypoints / descriptors be created?

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2015-06-24 12:19:44 -0600 LBerger

extractor.compute clears keypoints

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2016-11-13 16:44:23 -0600 Tetragramm

cv::Feature2D::compute called with empty std::vector<cv::KeyPoint> [closed]

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2017-08-02 05:57:52 -0600 PiMac

Java BRIEF

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2017-11-28 03:40:43 -0600 berak

cv2.BOWImgDescriptorExtractor works with SIFT but not with ORB

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2013-06-01 07:30:57 -0600 GilLevi

Troubles running BRIEF in (EXAMPLE) detector_descriptor_matcher_evaluation

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2013-09-25 10:21:36 -0600 chicio

Same training descriptor across multiple platform

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2013-10-26 11:06:20 -0600 GilLevi

What are the values of the SURF descriptor?

338

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2014-02-02 12:09:32 -0600 user1234

getting an error for "OpponentColorDescriptorExtractor" in opencv

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2014-03-10 08:14:45 -0600 GilLevi

In which version the feature2d module was first implemented?

627

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2014-03-26 22:21:04 -0600 lkjs

How can use BOWImgDescriptorExtractor with sift and no error

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2014-09-05 14:46:53 -0600 kenilworth

DescriptorExtractor::create() returns NULL pointer

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2014-09-25 09:55:50 -0600 thdrksdfthmn

OpponentSIFT does not work as the others

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2015-04-13 10:00:31 -0600 RB

How to separate query and train image after doing the matching

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2015-08-03 21:08:43 -0600 opencvgeek47

34 questions

Good feature descriptor/matcher for matching photo of different size

ORB how-to.

InitModule_nonFree() - unresolved externel symbol.

Problem accessing Mat

how to specify SURF parameters at FeatureDetector object ?

Relation between BOWImageDescriptorExtractor descriptors and trained vocab?

Which feature descriptor should I use with Harris corner detector?

How does the SiftDescriptorExtractor convert descriptor values?

DescriptorExtractor::compute

DescriptorExtractor.compute() is not removing keypoints

Keypoint Descriptor with different size on different computers

Why do the values returned from Brisk's smoothedIntensity it are very large, much larger than intensity values?

Problem in implementing rotation invariant BRIEF

Problem on initialize FeatureDetector or DescriptorExtractor on OpenCV 3.0

Which Extractor do I have to use for FAST Detector?

How can custom keypoints / descriptors be created?

extractor.compute clears keypoints

cv::Feature2D::compute called with empty std::vector<cv::KeyPoint> [closed]

Java BRIEF

cv2.BOWImgDescriptorExtractor works with SIFT but not with ORB

Troubles running BRIEF in (EXAMPLE) detector_descriptor_matcher_evaluation

Same training descriptor across multiple platform

What are the values of the SURF descriptor?

getting an error for "OpponentColorDescriptorExtractor" in opencv

In which version the feature2d module was first implemented?

How can use BOWImgDescriptorExtractor with sift and no error

DescriptorExtractor::create() returns NULL pointer

OpponentSIFT does not work as the others

How to separate query and train image after doing the matching

YML read() not working for DescriptorExtractor / Android

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