Questions - OpenCV Q&A Forum

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2016-05-17 23:04:06 -0600 MilevaMaric

How access to UMat pixel by pixel without getMat?

UMat

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2017-01-09 21:07:53 -0600 jpistorino

OpenCV UMat conversion from std::vector

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2017-01-24 18:41:34 -0600 mansoorpervaiz

Do split and merge in python support UMat some how

UMat

465

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2

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2017-01-25 02:16:32 -0600 pwuertz

OpenCL TAPI mixed performance

155

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2017-02-05 12:39:58 -0600 mddrill

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

953

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1

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2017-04-26 10:44:27 -0600 theaniolad

UMAT refcount error with setUseOpenCL(false)

394

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2017-07-05 02:58:44 -0600 rhardih

OpenGL support on Android

550

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2017-07-23 22:54:20 -0600 reid

DMA directly into UMat data

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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

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2017-12-14 02:39:20 -0600 mr.s.h.h

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

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2018-01-16 04:10:02 -0600 MalfunctioningDroid

OpenCV OpenCL Thread Saftey - Deadlock (changing cv::Mat to UMat)

613

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2018-03-01 08:29:19 -0600 ROSpioneer

Access/Create/Modify pixels in UMat

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2018-03-06 02:14:36 -0600 ROSpioneer

Opencv function runs on GPU or CPU

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2018-03-24 06:37:30 -0600 Udhav

Different results for matrix multiplication gemm() for mat vs umat

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2018-04-13 10:59:56 -0600 Stefan Koenig

UMat multithreading issues when using producer-consumer pattern

430

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2018-08-23 01:56:53 -0600 abelghazinyan

UMat implementations slower than Mat

278

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2018-09-05 03:11:09 -0600 csggnn

Writing functions accepting inputs of type cv::Mat or cv::UMat

290

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1

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2019-01-02 00:20:08 -0600 nobot

if I use UMat , it is giving exception error

40k

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2

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2019-03-18 02:18:13 -0600 LBerger

Expected cv::UMat for argument 'src'

191

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

50 questions

How access to UMat pixel by pixel without getMat?

OpenCV UMat conversion from std::vector

Do split and merge in python support UMat some how

OpenCL TAPI mixed performance

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

UMAT refcount error with setUseOpenCL(false)

OpenGL support on Android

DMA directly into UMat data

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

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

OpenCV OpenCL Thread Saftey - Deadlock (changing cv::Mat to UMat)

Access/Create/Modify pixels in UMat

Opencv function runs on GPU or CPU

Different results for matrix multiplication gemm() for mat vs umat

UMat multithreading issues when using producer-consumer pattern

UMat implementations slower than Mat

Writing functions accepting inputs of type cv::Mat or cv::UMat

if I use UMat , it is giving exception error

Expected cv::UMat for argument 'src'

How to update UMat when Mat is updated?

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