Questions - OpenCV Q&A Forum

819

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2

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2018-01-09 07:04:39 -0600 jasper12

GPU acceleration on singleboard computers?

gpu
opencl

211

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

3.3 on OpenCL 1.1 device (static storage specifier)

2k

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1

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no

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2018-01-08 01:22:09 -0600 Raki

Preparing OpenCL cache Configuration

opencl

1k

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1

answer

4

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2018-01-05 06:36:40 -0600 LBerger

Slow matrix multiplication when using OpenCL enabled OpenCV

240

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2017-12-25 16:08:54 -0600 justadudewhohacks

Opencv 3.4 detectMultiScale with ocl not performed on GPU

1k

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

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

171

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2017-12-07 20:20:51 -0600 Hank538

Generate .clb files when using OpenCL

opencl

358

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2017-11-10 05:39:47 -0600 Alberl

How can i open OpenCL on iOS?

opencl
ios

297

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no

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1

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2017-11-08 13:50:38 -0600 LBerger

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

opencl

561

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2017-10-21 15:27:00 -0600 yahoooooooo

Why is openCV so fast?

124

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

OpenCL version HOG descriptors change among executions with same input

opencl
HOG

924

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1

answer

1

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2017-10-11 07:19:36 -0600 StevenPuttemans

HAAR Cascade opencl and Nvidia GPU - Code question

542

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2017-09-22 09:22:41 -0600 Rofreli

Problems with CMAKE and OpenCL

817

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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

648

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no

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2017-09-20 10:46:47 -0600 Major Squirrel

Assertion failed (u->origdata == data) in deallocate, using OpenCL

270

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

Unknown crash in ocl.cpp

1k

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

descriptorMatcher (BruteForce-Hamming) with OpenCL

opencl

362

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no

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

Use OpenCL CPU Backend for custom kernel (Opencv 3.2)

675

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1

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no

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2017-06-29 20:03:36 -0600 Tetragramm

Place data of Mat at a specific memoryarea pointed to by a pointer

331

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no

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2017-06-29 02:59:46 -0600 berak

region growing with opencl

opencl

349

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1

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no

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2017-06-18 01:49:55 -0600 berak

'm trying to implement an image processing algorithm using OpenCL,for that i I read one image using OpenCV. The problem is how transform the data into OpenCL

1k

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2017-05-26 13:07:46 -0600 Elliot_

How can I deal with cv::matchTemplate crashing for large images?

4k

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1

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1

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2017-05-12 08:45:09 -0600 mshabunin

How to change OpenCL device.

opencl

141

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2017-04-29 06:53:48 -0600 lovaj

How to check which GaussianBlur version is used in OpenCV?

1k

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2017-04-28 06:35:33 -0600 TADRIAN

OpenCV Featuredetection with OpenCL

554

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no

answers

1

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2017-04-28 00:35:45 -0600 TADRIAN

OpenCVs OpenCL doesn´t find any device but the code executed with UMAT runs faster

3k

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no

answers

1

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2017-04-27 14:45:15 -0600 mattyfog

OpenCL: is it actually enabled?

opencl

949

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no

answers

1

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

UMAT refcount error with setUseOpenCL(false)

277

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no

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no

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2017-04-21 02:10:44 -0600 berak

do Farneback Optical flow destroy AMD cards? or is my code?

389

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no

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no

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2017-04-05 14:40:03 -0600 opencvtrain

231 questions

GPU acceleration on singleboard computers?

3.3 on OpenCL 1.1 device (static storage specifier)

Preparing OpenCL cache Configuration

Slow matrix multiplication when using OpenCL enabled OpenCV

Opencv 3.4 detectMultiScale with ocl not performed on GPU

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

Generate .clb files when using OpenCL

How can i open OpenCL on iOS?

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

Why is openCV so fast?

OpenCL version HOG descriptors change among executions with same input

HAAR Cascade opencl and Nvidia GPU - Code question

Problems with CMAKE and OpenCL

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

Assertion failed (u->origdata == data) in deallocate, using OpenCL

Unknown crash in ocl.cpp

descriptorMatcher (BruteForce-Hamming) with OpenCL

Use OpenCL CPU Backend for custom kernel (Opencv 3.2)

Place data of Mat at a specific memoryarea pointed to by a pointer

region growing with opencl

'm trying to implement an image processing algorithm using OpenCL,for that i I read one image using OpenCV. The problem is how transform the data into OpenCL

How can I deal with cv::matchTemplate crashing for large images?

How to change OpenCL device.

How to check which GaussianBlur version is used in OpenCV?

OpenCV Featuredetection with OpenCL

OpenCVs OpenCL doesn´t find any device but the code executed with UMAT runs faster

OpenCL: is it actually enabled?

UMAT refcount error with setUseOpenCL(false)

do Farneback Optical flow destroy AMD cards? or is my code?

Problem with Opencl implementation in Opencv 3.2

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