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370 questions
Tagged
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
4k
views
no
answers
1
vote
2017-04-27 14:45:15 -0600
mattyfog
OpenCL: is it actually enabled?
opencl
587
views
no
answers
1
vote
2017-04-28 00:35:45 -0600
TADRIAN
OpenCVs OpenCL doesn´t find any device but the code executed with UMAT runs faster
opencl
context.ndevices
163
views
no
answers
no
votes
2017-04-29 06:53:48 -0600
lovaj
How to check which GaussianBlur version is used in OpenCV?
gaussianblur
IPP
opencl
build
1k
views
no
answers
no
votes
2017-05-11 12:14:01 -0600
john_turnbull
Ubuntu 16.04 Python after install OpenCV 3.1 and OpenCV_contrib 3.1, some extra modules are missing like Tracking and sfm
python
opencv_contrib
933
views
no
answers
1
vote
2017-05-17 18:48:51 -0600
philboske
Some resolutions cause segmentation faults in DISOpticalFlow()
opencv_contrib
opticalflow
1k
views
no
answers
no
votes
2017-05-26 13:07:46 -0600
Elliot_
How can I deal with cv::matchTemplate crashing for large images?
visual
studio
c++
opencl
2k
views
no
answers
no
votes
2017-06-06 16:55:41 -0600
ririgo
Corrupt JPEG data error when using yuyv webcam
videocapture
1k
views
no
answers
no
votes
2017-06-28 03:26:50 -0600
scobbing
Error with cuda::VideoWriter
CUDA
CreateVideoWriter
358
views
no
answers
no
votes
2017-06-29 02:59:46 -0600
berak
region growing with opencl
opencl
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
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
629
views
no
answers
no
votes
2017-07-23 22:54:20 -0600
reid
DMA directly into UMat data
UMat
gpu
DMA
569
views
no
answers
no
votes
2017-07-25 09:42:48 -0600
berak
Building OpenCV Visual Studio 14 2015 Unicode Errors
visual-studio-2015
build
unicode
1k
views
no
answers
no
votes
2017-08-03 04:32:14 -0600
Raki
Matplotlib to replace imshow()
matplotlib
opencv
python3
544
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
283
views
no
answers
no
votes
2017-08-12 22:59:19 -0600
Uma
/ libc: Fatal signal 11 (SIGSEGV), code 1, fault addr 0x4
android#opencv
1k
views
no
answers
no
votes
2017-08-21 08:39:52 -0600
berak
descriptorMatcher (BruteForce-Hamming) with OpenCL
opencl
447
views
no
answers
no
votes
2017-08-23 06:41:56 -0600
antithing
Unknown crash in ocl.cpp
crash
error
ocl
opencl
181
views
no
answers
2
votes
2017-09-12 02:17:49 -0600
mihaibujanca
Module directory structure
modules
directory
CUDA
headers
668
views
no
answers
no
votes
2017-09-20 10:46:47 -0600
Major Squirrel
Assertion failed (u->origdata == data) in deallocate, using OpenCL
opencl
gpu
embedded
memory
902
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
637
views
no
answers
no
votes
2017-09-22 09:22:41 -0600
Rofreli
Problems with CMAKE and OpenCL
cmake
opencl
rules
opencv
1k
views
no
answers
no
votes
2017-09-22 09:45:15 -0600
Lubagov
OpenCV 3.3 setNumThreads(0) bug
setNumThreads
cascadeclassifier
opencv
3.3
254
views
no
answers
no
votes
2017-09-27 10:46:14 -0600
berak
videoCapture::open doesn't see default camera
videocapture
2k
views
no
answers
no
votes
2017-09-28 03:59:34 -0600
berak
OpenCV3.1 & opencv_contrib3.1 install in Ubuntu
c++#opencv
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
858
views
no
answers
no
votes
2017-10-13 05:59:17 -0600
berak
3.3 Build with VS2015 Errors
opencv
3.3.0
visual
studio
2015
1k
views
no
answers
2
votes
2017-10-16 15:50:14 -0600
ossyaritoori
Why self compiled Opencv is slower than apt-get package?
opencv
CUDA8.0
297
views
no
answers
1
vote
2017-10-16 08:13:46 -0600
qudlaty
Problem with MOG2 OCL test
ocl
performance
MOG2
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