Questions - OpenCV Q&A Forum

785

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2014-10-13 16:24:07 -0600 Dale Albright

Contractor/Company for Aircraft ID

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no

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5

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2015-04-22 11:31:25 -0600 LorenaGdL

Extracting Haar feature vectors

14k

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1

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3

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2013-03-25 09:13:32 -0600 Guanta

feature 2d: Feature Matching fails with assert (stat.cpp)

1k

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3

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2018-03-28 12:15:50 -0600 Eduardo

Cannot Reproduce Results of Feature Matching with FLANN Tutorial

980

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2

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2013-12-15 23:31:29 -0600 me

Evaluate Feature Detectors

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2

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2

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

ORB how-to.

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2

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2013-09-30 05:09:37 -0600 Rui Marques

BRISK android

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2013-03-10 14:31:03 -0600 Guanta

How to calculate HuMoments for a contour/image in opencv using c++

3k

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3

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2

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2013-04-05 01:13:58 -0600 mrgloom

What kind of features that can be extracted from binary image

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2015-05-05 10:30:14 -0600 semicolonwarrior

Dense Features in Opencv 3

239

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2

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1

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2012-08-23 06:08:33 -0600 Vladislav Vinogradov

How to request a feature and additional code

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2012-12-29 01:20:15 -0600 fengtianliang

How to recognize face by geometric feature such as eyes,nose,mouth?

357

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1

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2013-02-27 04:40:21 -0600 StevenPuttemans

Integrating different cues in a classification task

267

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1

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2013-03-22 06:59:43 -0600 godspeed

About Haar cascade detector generating

7k

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2

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1

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2013-04-13 07:08:20 -0600 Guanta

haar classifier detection vs feature detection,extraction and matching

201

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1

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1

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2013-06-27 11:04:17 -0600 Guanta

Reduce maximal Features on Android.

205

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1

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2014-08-17 18:04:29 -0600 TheMLearner

HOGDescripter does not compute 64 by 64 training images

1k

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2

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1

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2014-10-02 10:00:32 -0600 berak

Why does cv::DescriptorExtractor::compute return empty descriptors for a std::vector<cv::Mat>?

139

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2014-10-02 04:59:49 -0600 Jan Marek

Is there a reason behind hiding FeatureExtractor::compute(...) in Feature 2D?

249

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1

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2015-02-18 08:04:15 -0600 nekiman

Passing parameters in features2d and SURF?

806

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no

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1

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2015-04-14 14:21:34 -0600 thil

OpenCV image pre-processing

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2

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1

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2015-05-06 05:45:10 -0600 berak

Features2D example

320

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answer

1

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2015-06-08 15:03:24 -0600 bjorn89

Wrong homography or wrong extracted features ruins mosaic

1k

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no

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1

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2019-09-18 09:43:35 -0600 frank95

How could I get more accurate images detects and crops?

1k

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1

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2012-11-12 10:23:43 -0600 ske

OrbFeatureDetector issue

1k

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2

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no

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2012-12-06 06:28:42 -0600 Cristina

Feature Matching with FLANN - Exception on "nonfree_init.cpp"

571

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1

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no

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2013-01-08 02:43:05 -0600 SR

what is the FLANN version in latest OPENCV2.4.3?

2k

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1

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no

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2013-03-03 15:27:08 -0600 Dawei Jiang

Feature points stereo matching?

466

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1

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no

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2013-03-30 08:16:52 -0600 Guanta

Feature matching of segmented images

321

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1

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no

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2013-04-25 12:29:30 -0600 Rogeeeer

Compute pose using feature points

pose
feature

79 questions

Contractor/Company for Aircraft ID

Extracting Haar feature vectors

feature 2d: Feature Matching fails with assert (stat.cpp)

Cannot Reproduce Results of Feature Matching with FLANN Tutorial

Evaluate Feature Detectors

ORB how-to.

BRISK android

How to calculate HuMoments for a contour/image in opencv using c++

What kind of features that can be extracted from binary image

Dense Features in Opencv 3

How to request a feature and additional code

How to recognize face by geometric feature such as eyes,nose,mouth?

Integrating different cues in a classification task

About Haar cascade detector generating

haar classifier detection vs feature detection,extraction and matching

Reduce maximal Features on Android.

HOGDescripter does not compute 64 by 64 training images

Why does cv::DescriptorExtractor::compute return empty descriptors for a std::vector<cv::Mat>?

Is there a reason behind hiding FeatureExtractor::compute(...) in Feature 2D?

Passing parameters in features2d and SURF?

OpenCV image pre-processing

Features2D example

Wrong homography or wrong extracted features ruins mosaic

How could I get more accurate images detects and crops?

OrbFeatureDetector issue

Feature Matching with FLANN - Exception on "nonfree_init.cpp"

what is the FLANN version in latest OPENCV2.4.3?

Feature points stereo matching?

Feature matching of segmented images

Compute pose using feature points

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