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370 questions

143
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2016-12-09 01:14:16 -0600 Anirudh GP

OpenCV gives Assertion failed error when running on GPU using OpenCL

743
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2019-01-03 16:01:25 -0600 OmarHedeya

DNN with OpenCL for Nvidia on OpenCV-4.0

561
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2014-02-07 17:23:30 -0600 Stele

OpenCL support for cv::dct() and cv::idct()?

1k
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2015-10-13 02:35:00 -0600 chankit

Converting from YUV420 to NV12 format with OpenCL acceleration

377
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2017-07-03 05:52:41 -0600 PeterSupan

Use OpenCL CPU Backend for custom kernel (Opencv 3.2)

334
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votes
2019-02-26 04:44:56 -0600 peter_cz

How to use OpenCL cache

168
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votes
2019-09-19 01:04:24 -0600 Mustafa Gönül

OpenCL: HDR Imaging

2k
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2014-03-19 18:35:41 -0600 vulcanVision

OpenCL: failed to load opencl runtime

141
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votes
2015-09-27 12:32:42 -0600 valentine

Using GPU with OpenCV 3.0

222
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votes
2015-09-19 11:30:19 -0600 lgos

OpenCV 3 and CUDA

198
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votes
2016-01-23 01:20:52 -0600 berak

Capture Mat copy to UMat fails on 32-bit app, works on 64-bit, timing?

190
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votes
2016-12-04 15:23:34 -0600 LBerger

Writting a videocapture driver

458
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votes
2015-07-16 19:08:40 -0600 unxnut flag of United States of America

Exception deep inside OpenCV code

216
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votes
2019-06-02 06:26:22 -0600 comar

Error on ocl::filter2D

224
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votes
2020-09-25 05:34:38 -0600 Supreeth Kumar Y P

How to update UMat when Mat is updated?

938
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2014-09-28 18:47:28 -0600 Echo88

ocl::cvtcolor Bayer to RGB supported in OpenCV 3.0?

450
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votes
2015-12-09 11:58:16 -0600 Honest_Trefor

MatchTemplate OCL and CPU Timing

2k
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2016-01-10 12:11:19 -0600 tstannar

Making OpenCV: Error hal undeclared

1k
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votes
2016-03-25 04:11:10 -0600 milLII3yway

Custom OpenCL Kernel in OpenCV 3.x

132
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votes
2017-10-11 14:02:57 -0600 Winnie

OpenCL version HOG descriptors change among executions with same input

1k
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votes
2018-12-13 00:04:18 -0600 Rakshith

UMat dealloc problem.

387
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votes
2019-12-29 23:20:22 -0600 jaylo

OpenCV Blender causes CL_BUILD_PROGRAM_FAILURE

623
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1
vote
2015-01-28 18:46:54 -0600 mgb

UMat get values

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