Questions - OpenCV Q&A Forum

15k

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4

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5

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2014-03-01 14:27:20 -0600 Rui Marques

Set a threshold on FAST feature detection?

1k

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3

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1

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2016-09-15 05:59:35 -0600 _AdT_

Feature Detector corrupts KeyPoint vector in OpenCV3.0 using MSVC 14: _BIG_ALLOCATION_ALIGNMENT Assertion message

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2

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1

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2013-06-06 01:18:16 -0600 SR

Feature detection of edges

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2

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1

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2013-04-22 10:27:38 -0600 xeed

GRID_ORB Detector on Android

809

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2

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no

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2013-07-07 07:00:40 -0600 pheips

FeatureDetector with mask input (third parameter)

5k

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2

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4

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2013-10-28 02:52:58 -0600 zeroxia

Logo detection / identification on TV screens

752

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2

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no

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2015-02-25 08:14:26 -0600 Potato

FeatureDetector for SURF

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1

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no

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2013-02-16 02:22:33 -0600 Mathieu Barnachon

Find polygon in image (rotation-invariant)

697

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1

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no

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

DescriptorExtractor.compute() is not removing keypoints

870

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1

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1

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2013-05-02 05:15:24 -0600 Guanta

MSER operator() is different from FeatureDetector::detect() function?

581

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1

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no

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2013-06-06 03:33:45 -0600 StevenPuttemans

Waveform detection and analysis

236

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1

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no

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2013-06-28 11:31:07 -0600 BeS

Feature Detection Interface vs Specific Classes

2k

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1

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4

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2013-07-18 02:35:37 -0600 SR

BRISK feature detector giving poor results

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1

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no

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

Problem on initialize FeatureDetector or DescriptorExtractor on OpenCV 3.0

751

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1

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no

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2017-07-26 05:22:47 -0600 Raki

How to use KAZE features in opencv ?

featuredetector

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1

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3

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2015-01-22 04:25:52 -0600 verified.human

OpenCV 3.0 (contrib) Integral Channel Features

682

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1

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no

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

Which Extractor do I have to use for FAST Detector?

182

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1

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no

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2015-04-02 08:15:14 -0600 JohannesZ

What are the applications of feature detectors?

222

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1

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no

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2015-04-13 09:51:08 -0600 Guanta

DenseFeatureDetector: Only a certain number of points?

659

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1

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1

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2015-05-20 16:38:25 -0600 maystroh10

Compute SURF/SIFT descriptors of non key points

172

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1

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no

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

extractor.compute clears keypoints

3k

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1

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no

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2020-10-04 18:58:48 -0600 VoteCoffee

Drawmatches throws error when trying to use only good matches

5k

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1

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no

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2015-07-04 05:51:26 -0600 mkc

OpenCV error: ‘create’ is not a member of ‘cv::FeatureDetector {aka cv::Feature2D}’

featuredetector

397

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1

answer

no

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2015-08-20 04:19:29 -0600 StevenPuttemans

how to detect numbers written on a speed sign

340

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1

answer

no

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2016-03-06 05:52:29 -0600 berak

How to detect keypoints, compute descriptors and match those descriptors in OpenCV 3.0.0, Visual Studio 2013, in C++?

1k

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1

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no

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2016-04-01 17:35:37 -0600 Tetragramm

Detect presence/absence of a screw - Image comparison

435

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1

answer

2

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2016-06-05 21:16:49 -0600 Tetragramm

Binary Decriptors in Feature Matching

1k

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1

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no

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2016-07-04 23:30:51 -0600 benz

define marker and detect the number of markers

1k

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1

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no

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2016-09-16 04:04:12 -0600 berak

How to use the dense sampling detector to image with OpenCV3_python?

484

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1

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no

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

70 questions

Set a threshold on FAST feature detection?

Feature Detector corrupts KeyPoint vector in OpenCV3.0 using MSVC 14: _BIG_ALLOCATION_ALIGNMENT Assertion message

Feature detection of edges

GRID_ORB Detector on Android

FeatureDetector with mask input (third parameter)

Logo detection / identification on TV screens

FeatureDetector for SURF

Find polygon in image (rotation-invariant)

DescriptorExtractor.compute() is not removing keypoints

MSER operator() is different from FeatureDetector::detect() function?

Waveform detection and analysis

Feature Detection Interface vs Specific Classes

BRISK feature detector giving poor results

Problem on initialize FeatureDetector or DescriptorExtractor on OpenCV 3.0

How to use KAZE features in opencv ?

OpenCV 3.0 (contrib) Integral Channel Features

Which Extractor do I have to use for FAST Detector?

What are the applications of feature detectors?

DenseFeatureDetector: Only a certain number of points?

Compute SURF/SIFT descriptors of non key points

extractor.compute clears keypoints

Drawmatches throws error when trying to use only good matches

OpenCV error: ‘create’ is not a member of ‘cv::FeatureDetector {aka cv::Feature2D}’

how to detect numbers written on a speed sign

How to detect keypoints, compute descriptors and match those descriptors in OpenCV 3.0.0, Visual Studio 2013, in C++?

Detect presence/absence of a screw - Image comparison

Binary Decriptors in Feature Matching

define marker and detect the number of markers

How to use the dense sampling detector to image with OpenCV3_python?

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

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