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783 questions

891
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2017-09-21 04:47:25 -0600 haoge

Why the cvtColor use a lot of CPU when process UMat in opencl gpu mode

220
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2018-01-08 15:37:31 -0600 eudoxos

3.3 on OpenCL 1.1 device (static storage specifier)

549
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2019-03-02 11:20:21 -0600 LBerger

How to catch opencl error in python?

344
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2018-07-16 20:53:53 -0600 drcurry

OpenCL context does not get created

122
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2015-07-06 00:42:48 -0600 yakobom

Android OpenCL support in OpenCV 3.0

282
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2014-08-20 15:35:22 -0600 giza

Error building openCV - dumpOpenCLDevice() method error

137
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2016-10-21 05:31:33 -0600 1qwerty1

what does generate.sh do here?

179
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2014-07-02 14:26:07 -0600 piorkowskip

OCL Sift descriptor

172
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2016-02-21 03:44:20 -0600 glupescu

Guidance OpenCV reduction based algorithms

221
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2016-11-26 13:44:24 -0600 Humam Helfawi

Multiple streams on the same GPU

658
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2014-10-06 12:00:31 -0600 stepo

Slow OclCascadeClassifier::detectMultiScale()

364
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2014-04-24 11:02:06 -0600 mainul

data transfer between ocl matrix of type CV_32FC1 and CV_8UC1

463
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2015-06-14 04:07:26 -0600 Anna Lucia

Performance of data transfer of OpenCL in Intel HD Graphics?

571
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2014-09-26 04:28:53 -0600 christophe

OpenCV, Python, and CUDA

661
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2014-10-16 10:17:58 -0600 ethanjyx

OpenCV and MPI

554
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2014-10-23 13:42:31 -0600 trianta2

HDR Imaging & GPU

621
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answers
1
vote
2015-04-30 10:28:52 -0600 verified.human flag of Netherlands

UMat fast downloading GPU >> CPU

654
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-1
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2015-08-14 00:03:22 -0600 xuefeihumei

opencl embedded

945
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2015-09-06 18:20:34 -0600 StanIAm

OpenCL Haar : Invalid classifier cascade

2k
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2016-11-29 08:01:24 -0600 closecall

cv::Mat to DirectX11 Texture (OpenCV 3.1.0)

412
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2017-08-23 06:41:56 -0600 antithing

Unknown crash in ocl.cpp

1k
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2018-09-05 13:09:09 -0600 gnackwatschn

Using OPENCL is slower than normal version

313
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1
vote
2017-11-08 13:50:38 -0600 LBerger

Unable to use opencl with user right on win10 [closed]

402
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votes
2019-01-31 13:58:00 -0600 Lent

OpenCV vs. macOS openCL deprecated

679
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1
vote
2014-02-25 08:38:39 -0600 wl2776

stereoSGBM on OpenCL in OpenCV 3.0.0

324
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2015-04-15 03:42:35 -0600 Eniac

HoughlinesP with openCL is not as fast as HoughLines

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2017-08-21 08:39:52 -0600 berak

descriptorMatcher (BruteForce-Hamming) with OpenCL

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