Questions - OpenCV Q&A Forum

2k

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1

answer

7

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2012-09-20 08:17:35 -0600 jav_rock

Clarifying FREAK: Fast Retina Keypoint descriptor

46k

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4

answers

7

votes

2013-04-15 22:01:59 -0600 aiming_high

What is a good thinning algorithm for getting the "skeleton" of characters for OCR?

834

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1

answer

7

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2012-11-13 08:46:16 -0600 SR

What's the best way to match forms of line drawing?

78k

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2

answers

7

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2012-10-31 21:29:11 -0600 unxnut

subtract from white - invert

6k

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1

answer

7

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2012-11-25 10:54:44 -0600 msamples

training GPU HOGDescriptor for multi scale detection

2k

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2

answers

7

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2014-11-13 21:38:08 -0600 wulfebw

Up to date version of Mergevec.cpp?

24k

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6

answers

7

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2017-05-23 10:19:10 -0600 sengsational

Best way to store a Mat object in Android

8k

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2

answers

7

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2014-10-14 12:11:54 -0600 Eng Hind

Color constancy in different illumination condition

14k

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1

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7

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2016-09-22 09:04:28 -0600 Der Luftmensch

How to increase the quality of Disparity Map?

96k

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2

answers

7

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2016-02-21 16:57:33 -0600 sturkmen

Calc eucliadian distance between two single point ?

10k

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1

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7

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2013-08-06 02:24:57 -0600 robertzheng

Is SURF algorithm used in OPENCV patented?

Licence

700

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no

answers

7

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2013-10-08 11:02:18 -0600 rwong

Volunteer for fixing bug 1337 (rotate, remap crash when widthStep exceeds 15 bits)

1k

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no

answers

7

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2013-10-15 10:23:40 -0600 Pedro Batista

Problems with Traincascade: A Practical Problem

772

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1

answer

7

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2014-06-20 05:18:51 -0600 Mathieu Barnachon

Problems in adding a new descriptor to OpenCV

958

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1

answer

7

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2014-07-15 02:52:03 -0600 albertofernandez

object detection, object recognition, learn new models

1k

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1

answer

7

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2020-07-24 10:52:03 -0600 Dail

GridAdaptedFeatureDetector missing in OpenCV 3.0??

feature-extraction

787

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no

answers

7

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2015-01-16 05:47:52 -0600 ricbra

Is it possible to identify fish by scale pattern with OpenCV? [closed]

416

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1

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7

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2015-04-29 03:42:11 -0600 mshabunin

Why are OpenCV 3.0 headers in the opencv2 namespace?

Opencv3.0

553

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no

answers

7

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2016-02-25 02:29:08 -0600 Ly

OpenCV SVM gives different results than libSVM

4k

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2

answers

7

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2016-04-17 15:43:46 -0600 Kyp

solvePNP inconsistency when rotating markers on a plane

405

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no

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7

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2016-07-06 07:21:35 -0600 StevenPuttemans

NOTICE: github repo change location

6k

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no

answers

7

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2019-11-08 22:45:52 -0600 Akhil Patel

How to detect and crop rectangle and apply transformation from an image? [closed]

12k

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1

answer

6

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2015-09-16 18:14:45 -0600 sturkmen

How to read the pixels of the three channels at the same time?

9k

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4

answers

6

votes

2012-07-05 07:03:38 -0600 Michael Burdinov

Area of a single pixel object in OpenCV

16k

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1

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6

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2012-07-25 02:33:57 -0600 Michael Burdinov

Matrix depth equals 0

Opencv2.4.2

8k

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2

answers

6

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2013-05-16 20:20:19 -0600 RaulPL

Object recognition by edge (or corners) matching ?

20k

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4

answers

6

votes

2012-10-02 06:02:18 -0600 V.G.

object detection using SURF & FLANN

6k

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2

answers

6

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2013-05-06 16:44:17 -0600 SR

performance of findHomography

1k

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2

answers

6

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2012-12-14 03:02:06 -0600 V.G.

opencv for desktop java

3k

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1

answer

6

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2013-03-24 06:47:52 -0600 fliker09

29,830 questions

Clarifying FREAK: Fast Retina Keypoint descriptor

What is a good thinning algorithm for getting the "skeleton" of characters for OCR?

What's the best way to match forms of line drawing?

subtract from white - invert

training GPU HOGDescriptor for multi scale detection

Up to date version of Mergevec.cpp?

Best way to store a Mat object in Android

Color constancy in different illumination condition

How to increase the quality of Disparity Map?

Calc eucliadian distance between two single point ?

Is SURF algorithm used in OPENCV patented?

Volunteer for fixing bug 1337 (rotate, remap crash when widthStep exceeds 15 bits)

Problems with Traincascade: A Practical Problem

Problems in adding a new descriptor to OpenCV

object detection, object recognition, learn new models

GridAdaptedFeatureDetector missing in OpenCV 3.0??

Is it possible to identify fish by scale pattern with OpenCV? [closed]

Why are OpenCV 3.0 headers in the opencv2 namespace?

OpenCV SVM gives different results than libSVM

solvePNP inconsistency when rotating markers on a plane

NOTICE: github repo change location

How to detect and crop rectangle and apply transformation from an image? [closed]

How to read the pixels of the three channels at the same time?

Area of a single pixel object in OpenCV

Matrix depth equals 0

Object recognition by edge (or corners) matching ?

object detection using SURF & FLANN

performance of findHomography

opencv for desktop java

Opencl support (bm,sgbm etc)

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