Questions - OpenCV Q&A Forum

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2016-04-12 05:47:02 -0600 sukhee

I got a this error please help me UNknown error code -9

Debug

841

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2019-05-18 21:44:51 -0600 supra56

bug in image segmentation with watershed demo of openCV docs

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6

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2012-12-19 02:07:47 -0600 Michael Burdinov

Basic operations on single image are slow

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2013-10-06 08:39:44 -0600 BRAD

Gstreamer and opencv

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2015-05-19 01:12:33 -0600 Govind Mali

I am using opencv fastNlMeansDenoising for very small dot noise present in B&W image.But It is taking more time(5 to 8 sec) to process an image(3306*4676).

java
opencv

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2015-05-28 10:55:52 -0600 swiyth

Can't find PDB files for Visual Studio

pdb-files

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2020-10-17 10:57:39 -0600 sturkmen

Convert Python Into Java / Kotlin using these operations

153

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2014-01-25 11:15:06 -0600 jossyy

svm/randomForest load function

138

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2016-11-23 12:44:38 -0600 AcProblem

Can't open video files - Java + OpenCV

269

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2015-05-17 05:04:46 -0600 aizerin

Java OpenCV matrix .get() cause memory leak

278

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2013-09-24 11:57:03 -0600 GiulSDU

Inverse Fourier gives black figure

970

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2013-06-29 12:50:36 -0600 Simon

How to access data from a cv::Mat converted from mxArray

Matlab
#Mat

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2016-05-26 11:38:51 -0600 patman

OpenCV Error: Gpu API call (CUDA_ERROR_NO_DEVICE [Code = 100])

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2014-03-26 13:44:42 -0600 jay

solvePnPRansac(), ipoints.isContinuous() error

#pose-estimation

352

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2013-12-22 15:25:10 -0600 Davinci

SolvePnP fluctuating results

440

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2015-03-31 16:50:30 -0600 richhuber

Trying to use FaceRecognizer from Java, OpenCV 2 and 3

210

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2014-07-20 09:41:51 -0600 DelphK

Fixed point operation : W_BIT, FLT_SCALE

1k

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1

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2017-01-06 03:36:06 -0600 daubarris

OpenCV blur detection c++

c++
opencv

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2017-05-02 21:32:53 -0600 Marciano Ng

How can i set a automatic video recorder

686

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2016-05-29 09:04:41 -0600 Pitt64

Difficult edge detection using Canny

388

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2014-05-05 13:50:12 -0600 pheliox

Got different EM::predict() results after EM::read() saved model

2k

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3

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2015-07-06 07:25:56 -0600 xzen

Detecting convex quadrilaterals on photo with strong noisy background

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2020-06-19 07:56:26 -0600 YuriiChernyshov

OpenCV 4.3.0 can not detect CUDA 10.2

503

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2016-05-26 05:03:10 -0600 aee

How can I add decision threshold to KNN classifier?

2k

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2

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2013-10-28 06:48:09 -0600 ssdehero

Convert Vec4i to Java

Vec4i
java

761

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no

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2019-11-08 08:08:20 -0600 Dimitar Veljanovski

Debug Assertion Error when detecting object and scene points in OpenCV

c++
opencv

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2019-01-28 02:18:18 -0600 Quang Huy Chu

Error when install OpenCV on Windows

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2020-03-10 12:12:22 -0600 DamianLitman

Nonmatching transport in server reply + onvif +rtsp +python

163

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2015-02-24 11:05:12 -0600 Jay Schamus

Xobjdetect

xobjdetect

847

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no

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2014-02-10 07:43:44 -0600 Scratch17

12,357 questions

I got a this error please help me UNknown error code -9

bug in image segmentation with watershed demo of openCV docs

Basic operations on single image are slow

Gstreamer and opencv

I am using opencv fastNlMeansDenoising for very small dot noise present in B&W image.But It is taking more time(5 to 8 sec) to process an image(3306*4676).

Can't find PDB files for Visual Studio

Convert Python Into Java / Kotlin using these operations

svm/randomForest load function

Can't open video files - Java + OpenCV

Java OpenCV matrix .get() cause memory leak

Inverse Fourier gives black figure

How to access data from a cv::Mat converted from mxArray

OpenCV Error: Gpu API call (CUDA_ERROR_NO_DEVICE [Code = 100])

solvePnPRansac(), ipoints.isContinuous() error

SolvePnP fluctuating results

Trying to use FaceRecognizer from Java, OpenCV 2 and 3

Fixed point operation : W_BIT, FLT_SCALE

OpenCV blur detection c++

How can i set a automatic video recorder

Difficult edge detection using Canny

Got different EM::predict() results after EM::read() saved model

Detecting convex quadrilaterals on photo with strong noisy background

OpenCV 4.3.0 can not detect CUDA 10.2

How can I add decision threshold to KNN classifier?

Convert Vec4i to Java

Debug Assertion Error when detecting object and scene points in OpenCV

Error when install OpenCV on Windows

Nonmatching transport in server reply + onvif +rtsp +python

Xobjdetect

Video capture not working when launched from IDE (VS2013)

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