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50 questions
Tagged
UMat
×
1k
views
3
answers
no
votes
2020-11-26 13:38:03 -0600
AndyK
Use Opencl to access Umat data
opencl
UMat
230
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
777
views
1
answer
no
votes
2020-09-11 02:28:44 -0600
berak
SystemError: <class 'cv2.UMat'> returned NULL without setting an error
UMat
perspectiveTransform
507
views
1
answer
no
votes
2020-01-09 02:15:11 -0600
LBerger
access rgb from UMat
UMat
662
views
1
answer
no
votes
2019-07-26 10:46:12 -0600
holger
OpenCL Performance (or lack of)
opencv
opencl
UMat
40k
views
no
answers
2
votes
2019-03-18 02:18:13 -0600
LBerger
Expected cv::UMat for argument 'src'
canny
UMat
CheckDataANDProcess
364
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
303
views
no
answers
no
votes
2018-09-05 03:11:09 -0600
csggnn
Writing functions accepting inputs of type cv::Mat or cv::UMat
UMat
_InputArray
_OutputArray
481
views
no
answers
no
votes
2018-08-23 01:56:53 -0600
abelghazinyan
UMat implementations slower than Mat
UMat
opencl
T-API
gpu
android
932
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
1k
views
no
answers
no
votes
2018-03-24 06:37:30 -0600
Udhav
Different results for matrix multiplication gemm() for mat vs umat
matrixmultiplication
UMat
GEMM
MatvsUMat
performance
fast
25k
views
1
answer
1
vote
2018-03-22 21:39:06 -0600
supra56
Obtaining opencv UMat shape in python
opencv
python
UMat
opencl
492
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
646
views
no
answers
no
votes
2018-03-01 08:29:19 -0600
ROSpioneer
Access/Create/Modify pixels in UMat
c++opencv
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
912
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
642
views
no
answers
no
votes
2017-07-23 22:54:20 -0600
reid
DMA directly into UMat data
UMat
gpu
DMA
571
views
no
answers
no
votes
2017-07-05 02:58:44 -0600
rhardih
OpenGL support on Android
opengl
android
T-API
UMat
ogl
4k
views
1
answer
1
vote
2017-06-04 03:56:13 -0600
gaussian37
How can I use UMat in Python?
UMat
python
1k
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
2k
views
1
answer
no
votes
2017-03-15 05:44:08 -0600
iko79
UMat/Mat lifetime warning
UMat
ocl
opencl
2k
views
1
answer
no
votes
2017-03-14 11:04:03 -0600
berak
Operators for cv::UMat
UMat
167
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
497
views
no
answers
2
votes
2017-01-25 02:16:32 -0600
pwuertz
OpenCL TAPI mixed performance
opencl
tapi
transparentapi
UMat
performance
453
views
no
answers
no
votes
2017-01-24 18:41:34 -0600
mansoorpervaiz
Do split and merge in python support UMat some how
UMat
1k
views
1
answer
no
votes
2017-01-09 21:48:12 -0600
Tetragramm
UMat operators
UMat
bit_operation
1k
views
no
answers
no
votes
2017-01-09 21:07:53 -0600
jpistorino
OpenCV UMat conversion from std::vector
copencv
VS2012
c++
UMat
729
views
1
answer
no
votes
2016-11-07 04:28:44 -0600
berak
Unexpected Results using CopyTo Rect with UMat
UMat
gpu
copyTo
Rect
556
views
no
answers
no
votes
2016-05-17 23:04:06 -0600
MilevaMaric
How access to UMat pixel by pixel without getMat?
UMat
1
2
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