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27 questions
Tagged
UMat
×
24k
views
1
answer
1
vote
2018-03-22 21:39:06 -0600
supra56
Obtaining opencv UMat shape in python
opencv
python
UMat
opencl
310
views
no
answers
1
vote
2019-01-02 00:20:08 -0600
nobot
if I use UMat , it is giving exception error
whitebalance
opencl
UMat
208
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
408
views
no
answers
2
votes
2015-06-25 20:51:06 -0600
Apolon
OpenCL Multiple umat, Multiple operations performance
opencl
UMat
370
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
931
views
3
answers
no
votes
2020-11-26 13:38:03 -0600
AndyK
Use Opencl to access Umat data
opencl
UMat
476
views
no
answers
2
votes
2017-01-25 02:16:32 -0600
pwuertz
OpenCL TAPI mixed performance
opencl
tapi
transparentapi
UMat
performance
549
views
1
answer
no
votes
2019-07-26 10:46:12 -0600
holger
OpenCL Performance (or lack of)
opencv
opencl
UMat
607
views
no
answers
1
vote
2015-04-30 10:28:52 -0600
verified.human
UMat fast downloading GPU >> CPU
UMat
opencl
1k
views
1
answer
no
votes
2017-03-15 05:44:08 -0600
iko79
UMat/Mat lifetime warning
UMat
ocl
opencl
651
views
1
answer
no
votes
2015-03-31 14:57:53 -0600
Jake Singer
using opencl as private framework for building opencv
opencl
ios
opencv3
UMat
856
views
no
answers
no
votes
2017-09-21 04:47:25 -0600
haoge
Why the cvtColor use a lot of CPU when process UMat in opencl gpu mode
opencl
UMat
CPU
usage
980
views
no
answers
1
vote
2017-04-26 10:44:27 -0600
theaniolad
UMAT refcount error with setUseOpenCL(false)
3.2
UMat
tapi
opencl
convertTo
setUseOpenCL
474
views
no
answers
no
votes
2018-03-06 02:14:36 -0600
ROSpioneer
Opencv function runs on GPU or CPU
opencv
CPU
gpu
opencl
UMat
158
views
no
answers
no
votes
2017-02-05 12:39:58 -0600
mddrill
How do I set up Visual Studio to run the OpenCV T-API?
opencl
tapi
transparentapi
gpu
UMat
1k
views
no
answers
no
votes
2018-01-16 04:10:02 -0600
MalfunctioningDroid
OpenCV OpenCL Thread Saftey - Deadlock (changing cv::Mat to UMat)
UMat
tapi
deadlock
threading
bug
1k
views
no
answers
no
votes
2017-12-14 02:39:20 -0600
mr.s.h.h
Convert cv::UMat to cv::ogl::Texture2D?
opengl
opencl
UMat
2k
views
no
answers
no
votes
2015-10-11 02:21:29 -0600
blDraX
First use of UMat does not run on GPU?
opencl
UMat
slow
first
gpu
442
views
no
answers
no
votes
2018-08-23 01:56:53 -0600
abelghazinyan
UMat implementations slower than Mat
UMat
opencl
T-API
gpu
android
3k
views
3
answers
3
votes
2014-08-27 08:05:17 -0600
AdamRossi80
Performance of OpenCL via cv::UMat (v3.0 [dev])
#GPU
UMat
CPUvGPU
10k
views
1
answer
no
votes
2015-06-11 21:00:30 -0600
Anna Lucia
OpenCV 3.0 ,the performance of UMat
opencl
UMat
876
views
no
answers
no
votes
2018-04-13 10:59:56 -0600
Stefan Koenig
UMat multithreading issues when using producer-consumer pattern
UMat
Multithreading
multi-thread
gpu
2k
views
no
answers
6
votes
2014-08-06 15:18:52 -0600
protonmesh
OpenCV Displaying UMat Efficiently
UMat
opengl
buffer
2k
views
no
answers
no
votes
2015-12-11 13:11:15 -0600
Steve Hess
Memory leak in Mat::convertTo
Mat
UMat
memory
leak
585
views
no
answers
no
votes
2017-07-23 22:54:20 -0600
reid
DMA directly into UMat data
UMat
gpu
DMA
619
views
no
answers
1
vote
2015-01-28 18:46:54 -0600
mgb
UMat get values
ocl
UMat
3.0.0
3k
views
1
answer
5
votes
2015-07-26 03:19:41 -0600
Anna Lucia
Is there any reason not to use UMat?
UMat
Speedup
gpu
3.0
Links
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GitHub
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UMat
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×19
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×7
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×4
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×4
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×2
Mat
×2
ocl
×2
opengl
×2
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×2
3.0
×1
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×1
3.2
×1
android
×1
bilateralFilter
×1
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×1
bug
×1
c++
×1
convertTo
×1
CPUvGPU
×1
deadlock
×1
DMA
×1
#GPU
×1
ios
×1
leak
×1
memory
×1
multi-thread
×1
Multithreading
×1
opencv3
×1
performance
×1
python
×1
setUseOpenCL
×1
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×1
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×1
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×1
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