First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
relevance
date
activity
answers ▼
votes
783 questions
Tagged
168
views
no
answers
no
votes
2015-09-10 21:11:29 -0600
biaspoint
Is there an OpenCV equivalent function to OpenCL's clEnqueueAcquireGLObjects?
opengl
opencl
buffer
cl_mem
1k
views
no
answers
no
votes
2015-10-13 02:35:00 -0600
chankit
Converting from YUV420 to NV12 format with OpenCL acceleration
YUV
nv12
opencl
1k
views
no
answers
no
votes
2015-11-09 16:42:57 -0600
beniroquai
Android OpenCL DFT vs. CPP Version is very slow! [closed]
gpu
opencl
Opencv3.0
android
dft
ocl
380
views
no
answers
no
votes
2015-12-14 00:44:22 -0600
lichentao
When I used UMat to active OpenCL, it seems stack-overflow
UMat
stack-overflow
bilateralFilter
opencl
231
views
no
answers
no
votes
2017-03-16 01:34:52 -0600
a_faraz09
Opencl computation time increases after few iterations
opencl
android
CUDAandroidopencl
remap
378
views
no
answers
no
votes
2017-07-03 05:52:41 -0600
PeterSupan
Use OpenCL CPU Backend for custom kernel (Opencv 3.2)
opencl
custom
kernel
CPU
backend
337
views
no
answers
no
votes
2019-02-26 04:44:56 -0600
peter_cz
How to use OpenCL cache
opencl
209
views
no
answers
2
votes
2019-06-30 06:10:51 -0600
Matouš
How to get error message when running OpenCL kernel
opencl
168
views
no
answers
no
votes
2019-09-19 01:04:24 -0600
Mustafa Gönül
OpenCL: HDR Imaging
HDR
opencl
edges
2k
views
no
answers
no
votes
2014-03-19 18:35:41 -0600
vulcanVision
OpenCL: failed to load opencl runtime
#OpenCL
#RaspberryPi
#error
142
views
no
answers
no
votes
2015-09-27 12:32:42 -0600
valentine
Using GPU with OpenCV 3.0
gpu#cuda#opencl
222
views
no
answers
no
votes
2015-09-19 11:30:19 -0600
lgos
OpenCV 3 and CUDA
CUDA
opencv3
opencl
150
views
no
answers
-1
votes
2017-07-17 09:12:39 -0600
dab
Before openning the image using OpenCV, I'm trying to create a region groing algorithm using OpenCL. The problem is to find how i can fix the starting point pixel (germ) in this image and transform these steps in OpenCL. Thanks in advance
algorithmopencl
199
views
no
answers
no
votes
2016-01-23 01:20:52 -0600
berak
Capture Mat copy to UMat fails on 32-bit app, works on 64-bit, timing?
opencl
191
views
no
answers
no
votes
2016-12-04 15:23:34 -0600
LBerger
Writting a videocapture driver
videocapture
opencl
481
views
no
answers
1
vote
2014-04-03 14:47:09 -0600
muser
ocl:detectmultiscale error with traincascade
#OpenCL
#CascadeClassifier
174
views
no
answers
no
votes
2017-03-31 03:37:40 -0600
minhntu
How to load new images parallel with computation current image on GPU use OpenCL in OpenCL library
opencl
458
views
no
answers
no
votes
2015-07-16 19:08:40 -0600
unxnut
Exception deep inside OpenCV code
BackgroundSubtractor
opencl
224
views
no
answers
no
votes
2019-06-02 06:26:22 -0600
comar
Error on ocl::filter2D
filter2D
opencl
VS2013
227
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
5k
views
no
answers
2
votes
2018-08-26 22:23:05 -0600
eatcosmos
Is findContours fast enough ?
opencl
opencv
gpu
findcountours
countour
extraction
972
views
no
answers
no
votes
2014-09-28 18:47:28 -0600
Echo88
ocl::cvtcolor Bayer to RGB supported in OpenCV 3.0?
#copencv
#OpenCL
cvtColor
482
views
no
answers
1
vote
2015-01-23 00:16:07 -0600
udayshukla14
OpenCL set device
opencl
setdevice
gpu
453
views
no
answers
no
votes
2015-12-09 11:58:16 -0600
Honest_Trefor
MatchTemplate OCL and CPU Timing
matchTemplate
opencl
3.0.0
2k
views
no
answers
no
votes
2016-01-10 12:11:19 -0600
tstannar
Making OpenCV: Error hal undeclared
opencv_contrib
opencv
c+
install
opencl
1k
views
no
answers
no
votes
2016-03-25 04:11:10 -0600
milLII3yway
Custom OpenCL Kernel in OpenCV 3.x
ocl
opencl
2k
views
no
answers
1
vote
2017-01-18 10:37:51 -0600
caruofc
How to stop using GPU in OpenCV 3.2? [closed]
opencl
gpu
133
views
no
answers
no
votes
2017-10-11 14:02:57 -0600
Winnie
OpenCL version HOG descriptors change among executions with same input
opencl
HOG
254
views
no
answers
no
votes
2017-12-25 16:08:54 -0600
justadudewhohacks
Opencv 3.4 detectMultiScale with ocl not performed on GPU
OpenCV3.4.0
detectMultiScale
opencl
130
views
no
answers
no
votes
2018-09-25 03:52:46 -0600
sbrazz
Why OpenCV does not support OpenCL 1.1 Embedded Profile?
opencl
embedded
problems
nogpusupport
« previous
1
...
23
24
25
26
27
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencl
×25
gpu
×4
#OpenCL
×3
opencv
×3
android
×2
ocl
×2
UMat
×2
3.0.0
×1
algorithmopencl
×1
backend
×1
BackgroundSubtractor
×1
bilateralFilter
×1
buffer
×1
c+
×1
c++
×1
#CascadeClassifier
×1
cl_mem
×1
#copencv
×1
countour
×1
CPU
×1
CUDA
×1
CUDAandroidopencl
×1
custom
×1
cvtColor
×1
detectMultiScale
×1
dft
×1
edges
×1
embedded
×1
#error
×1
extraction
×1
filter2D
×1
findcountours
×1
gpu#cuda#opencl
×1
HDR
×1
HOG
×1
install
×1
kernel
×1
Mat
×1
matchTemplate
×1
nogpusupport
×1
nv12
×1
opencv3
×1
Opencv3.0
×1
OpenCV3.4.0
×1
opencv_contrib
×1
opengl
×1
problems
×1
#RaspberryPi
×1
remap
×1
setdevice
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×