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27 questions

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947
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3
answers
no
votes
2020-11-26 13:38:03 -0600 AndyK

Use Opencl to access Umat data

210
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no
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no
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2020-09-25 05:34:38 -0600 Supreeth Kumar Y P

How to update UMat when Mat is updated?

562
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1
answer
no
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2019-07-26 10:46:12 -0600 holger

OpenCL Performance (or lack of)

312
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no
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1
vote
2019-01-02 00:20:08 -0600 nobot

if I use UMat , it is giving exception error

453
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no
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no
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2018-08-23 01:56:53 -0600 abelghazinyan

UMat implementations slower than Mat

24k
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1
answer
1
vote
2018-03-22 21:39:06 -0600 supra56 flag of Canada

Obtaining opencv UMat shape in python

477
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no
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no
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2018-03-06 02:14:36 -0600 ROSpioneer

Opencv function runs on GPU or CPU

1k
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no
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no
votes
2017-12-14 02:39:20 -0600 mr.s.h.h

Convert cv::UMat to cv::ogl::Texture2D?

864
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no
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no
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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

592
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no
answers
no
votes
2017-07-23 22:54:20 -0600 reid

DMA directly into UMat data

984
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no
answers
1
vote
2017-04-26 10:44:27 -0600 theaniolad

UMAT refcount error with setUseOpenCL(false)

1k
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1
answer
no
votes
2017-03-15 05:44:08 -0600 iko79

UMat/Mat lifetime warning

159
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no
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no
votes
2017-02-05 12:39:58 -0600 mddrill

How do I set up Visual Studio to run the OpenCV T-API?

476
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no
answers
2
votes
2017-01-25 02:16:32 -0600 pwuertz

OpenCL TAPI mixed performance

2k
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no
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no
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2015-12-11 13:11:15 -0600 Steve Hess

Memory leak in Mat::convertTo

2k
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no
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no
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2015-10-11 02:21:29 -0600 blDraX

First use of UMat does not run on GPU?

3k
views
1
answer
5
votes
2015-07-26 03:19:41 -0600 Anna Lucia

Is there any reason not to use UMat?

408
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no
answers
2
votes
2015-06-25 20:51:06 -0600 Apolon

OpenCL Multiple umat, Multiple operations performance

10k
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1
answer
no
votes
2015-06-11 21:00:30 -0600 Anna Lucia

OpenCV 3.0 ,the performance of UMat

610
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no
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1
vote
2015-04-30 10:28:52 -0600 verified.human flag of Netherlands

UMat fast downloading GPU >> CPU

619
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no
answers
1
vote
2015-01-28 18:46:54 -0600 mgb

UMat get values

654
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1
answer
no
votes
2015-03-31 14:57:53 -0600 Jake Singer

using opencl as private framework for building opencv

2k
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no
answers
6
votes
2014-08-06 15:18:52 -0600 protonmesh

OpenCV Displaying UMat Efficiently

3k
views
3
answers
3
votes
2014-08-27 08:05:17 -0600 AdamRossi80

Performance of OpenCL via cv::UMat (v3.0 [dev])

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holger gravatar imageLBerger gravatar imagejakobwilm gravatar imagecrackwitz gravatar imageiko79 gravatar imageAnna Lucia gravatar imageROSpioneer gravatar imageApolon gravatar imageprotonmesh gravatar imageverified.human gravatar imageEduardo gravatar imageJake Singer gravatar imageAdamRossi80 gravatar imageblDraX gravatar imagekiranpradeep gravatar imageberak gravatar image

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