Questions - OpenCV Q&A Forum

1k

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1

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no

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2015-06-02 11:13:16 -0600 TobiasNoell

Parralel creation of cv::Mat crashes? Bug?

3k

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1

answer

no

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2015-07-06 08:31:39 -0600 juanmanpr

OpenCV 3.0 not longer recognises 'CvSVM'

7k

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1

answer

3

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2015-08-14 02:30:40 -0600 LBerger

How to resize an extremely large image

1k

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1

answer

no

votes

2015-10-25 16:25:34 -0600 Baiz

Confusion about number of distortion parameters

1k

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1

answer

1

vote

2016-02-04 06:25:22 -0600 StevenPuttemans

detectMultiscale fails when weights are requested

701

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1

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no

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2016-06-11 11:59:14 -0600 LBerger

Is it a bug? After imread cv crashes in mat.inl.hpp

527

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2

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2016-09-05 06:48:26 -0600 mshabunin

Is there any enthusiasm for making point releases 3.1.1?

440

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1

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no

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2017-02-19 12:40:40 -0600 fastdeath

Unexpected result with RGB Histogram Backprojection in Python

277

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1

answer

no

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2017-01-09 14:52:48 -0600 alexander33

cannot save SVM in OpenCV4Android 3.2 after upgrade: Fatal signal 11

269

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1

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no

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2017-01-21 06:17:56 -0600 NTxC

Sobel using dx=1, dy=0 gives exactly same output as dx=0, dy=1 (bug?)

241

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1

answer

3

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2017-06-22 10:17:48 -0600 bhornde

cv::repeat after update 2.4 -> 3.2: Bug or Feature?

bug

778

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1

answer

no

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2017-08-29 23:58:01 -0600 berak

Assertion faild error on OpenCV3.3.0

bug

338

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1

answer

1

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2017-11-02 09:28:20 -0600 Tetragramm

Question about Mat::create

bug
function

4k

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1

answer

2

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2018-01-24 05:14:34 -0600 dkurt

Tensorflow Custom Model in OpenCV

279

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1

answer

no

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2018-04-22 01:22:35 -0600 berak

Strange bug in opencv

331

views

1

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no

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2018-08-16 19:26:16 -0600 Eduardo

cv::reg::MapperGradShift produce worse result in the given test code

bug

360

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1

answer

no

votes

2019-02-09 20:57:29 -0600 V

Does BackgroundSubtractorKNN respect a learning rate of 0 correctly?

384

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1

answer

no

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2019-07-15 02:39:12 -0600 0811张庆昊

A bug causes crash when class inherit from cv2.KeyPoint

6k

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1

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no

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2020-09-09 11:56:24 -0600 grafy

opencv-4.4.0\modules\videoio\src\cap_msmf.cpp (682) CvCapture_MSMF::initStream Failed to set mediaType (stream 0, (640x480 @ 30) MFVideoFormat_RGB24(unsupported media type)

bug

1k

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no

answers

no

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2012-11-26 11:31:52 -0600 Gianni

Python: Result discrepancy between cv.MinAreaRect2 and ArcGIS (GIS software) . Possible bug? [closed]

268

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no

answers

1

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2013-02-18 15:31:56 -0600 Ben-Uri

Bug in cv::FilterEngine ?

1k

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no

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no

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2013-06-11 11:25:57 -0600 yes123

Debug mode: Detector Mask works with ORB, crashes with Sift (bug) ? [closed]

414

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no

answers

no

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2013-06-28 14:13:44 -0600 giridhar

StereoBM in OpenCV 2.4.3 giving non-deterministic results

1k

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no

answers

no

votes

2013-08-16 18:24:17 -0600 redfood

SimpleBlobDetector bug? [closed]

579

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no

answers

7

votes

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

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

419

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no

answers

6

votes

2013-11-21 09:23:34 -0600 GilLevi

Bug in LBP [closed]

184

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no

answers

no

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2014-06-24 18:56:11 -0600 Stephen Mell

Possible bug in traincascade's consumption of negative samples. [closed]

165

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no

answers

2

votes

2014-10-30 15:59:32 -0600 tobyr

Bug in downhill_simplex? [closed]

402

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no

answers

no

votes

2015-01-03 14:43:50 -0600 Aly Osama

Build modified opencv source code

286

views

no

answers

2

votes

2015-04-14 22:43:19 -0600 Miny

91 questions

Parralel creation of cv::Mat crashes? Bug?

OpenCV 3.0 not longer recognises 'CvSVM'

How to resize an extremely large image

Confusion about number of distortion parameters

detectMultiscale fails when weights are requested

Is it a bug? After imread cv crashes in mat.inl.hpp

Is there any enthusiasm for making point releases 3.1.1?

Unexpected result with RGB Histogram Backprojection in Python

cannot save SVM in OpenCV4Android 3.2 after upgrade: Fatal signal 11

Sobel using dx=1, dy=0 gives exactly same output as dx=0, dy=1 (bug?)

cv::repeat after update 2.4 -> 3.2: Bug or Feature?

Assertion faild error on OpenCV3.3.0

Question about Mat::create

Tensorflow Custom Model in OpenCV

Strange bug in opencv

cv::reg::MapperGradShift produce worse result in the given test code

Does BackgroundSubtractorKNN respect a learning rate of 0 correctly?

A bug causes crash when class inherit from cv2.KeyPoint

opencv-4.4.0\modules\videoio\src\cap_msmf.cpp (682) CvCapture_MSMF::initStream Failed to set mediaType (stream 0, (640x480 @ 30) MFVideoFormat_RGB24(unsupported media type)

Python: Result discrepancy between cv.MinAreaRect2 and ArcGIS (GIS software) . Possible bug? [closed]

Bug in cv::FilterEngine ?

Debug mode: Detector Mask works with ORB, crashes with Sift (bug) ? [closed]

StereoBM in OpenCV 2.4.3 giving non-deterministic results

SimpleBlobDetector bug? [closed]

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

Bug in LBP [closed]

Possible bug in traincascade's consumption of negative samples. [closed]

Bug in downhill_simplex? [closed]

Build modified opencv source code

obvious bug in structured edge_detection.cpp , ximgproc,opencv_contrib,opencv 3.0beta

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