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370 questions
Tagged
412
views
no
answers
no
votes
2018-10-08 03:09:32 -0600
Shir
Optimize cvtcolor, convert from yuv2 to bgr
arm
arm-neon
cvCvtColor
ColorConversionCodes
YUV
1k
views
no
answers
no
votes
2018-04-13 14:01:45 -0600
benweinstein
Known issue with gopro movie codec? Stops reading after 26 frames.
codecs
videocapture
GoPro
ffmpeg
2k
views
no
answers
no
votes
2017-09-28 03:59:34 -0600
berak
OpenCV3.1 & opencv_contrib3.1 install in Ubuntu
c++#opencv
1k
views
no
answers
no
votes
2018-05-10 08:36:40 -0600
berak
[opencv 4.0.0 installation] Failed build project
opencv
c++
698
views
no
answers
no
votes
2018-12-14 02:39:20 -0600
SpeedEC
getting error when run mingw32-make: cap_dshow.cpp file error
CAP_DSHOW
mingw32-make
2k
views
no
answers
no
votes
2019-10-16 06:44:08 -0600
LBerger
Configuration Error CMake 3.15.14 opencv contrib
cmake-gui
opencv
cmake
563
views
no
answers
no
votes
2019-07-10 10:34:51 -0600
eric_engineer
Building latest master for android but missing Java folder
build
java
2k
views
no
answers
no
votes
2018-04-04 08:24:02 -0600
Jérémy K
Building native libraries not working
build
cmake
native
libraries
linux
RaspberryPi
1k
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
590
views
no
answers
no
votes
2019-08-31 09:01:41 -0600
sergorl
where is .lib for cudaarithm.hpp?
cudaarithm
1k
views
no
answers
no
votes
2018-01-27 07:41:37 -0600
alex001
Extra delay when copying UMat to Mat
opencv
copyTo
delay
slow
672
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
1k
views
no
answers
no
votes
2020-07-06 07:28:46 -0600
bbboat
Still cant get "FFMPEG: tag 0x00000021/'!???' is not found" error after build from source
opencv-python
videowriter
283
views
no
answers
no
votes
2018-07-05 04:39:12 -0600
holger
open cl confusion
openc
cl
dnn
575
views
no
answers
no
votes
2017-03-27 10:20:12 -0600
yrazin
Cannot build opencv_core320d.lib in VS2008
opencv3
vs2008
619
views
no
answers
no
votes
2018-12-05 10:11:28 -0600
Simontraww
Opencv (3.4.4) with NEON provide a few undefined symbols (ANDROID)
android
studio
arm-neon
compile
Linking
1k
views
no
answers
no
votes
2015-10-07 02:51:25 -0600
JesseCh
Using OpenCV 3.0 UMat on Odroid XU3
Opencv3.0
opencl
arm
odroid
c++
opencv
455
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
690
views
no
answers
no
votes
2018-12-07 07:38:47 -0600
Théo31
GPU slower than CPU with Mali G72
opencl
mali
G72
Hikey970
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
208
views
no
answers
no
votes
2018-07-03 02:33:21 -0600
dorimu
convert direct3d surface to umat fails
opencl
directx
drawcontour
68
views
no
answers
no
votes
2015-02-18 06:41:09 -0600
satish
Opencv with opencl
opencv
1k
views
no
answers
no
votes
2019-09-23 04:38:09 -0600
teshansj
OpenCV dnn, OpenCL and Nvidia graphic cards
opencv4
opencv4.1
nvidia
dnn
cuDNN
libopencl
374
views
no
answers
no
votes
2018-12-11 05:35:26 -0600
peter_cz
How to set WORK GROUP SIZE?
gpu
opencl
916
views
no
answers
no
votes
2018-01-12 07:08:05 -0600
KaloyanP
Silent failure when multiprocessing and OpenCL used on MacOS
multiprocessing
mac
python
ocl
239
views
no
answers
no
votes
2020-05-14 08:00:49 -0600
berak
OpenCV4.3.0 build with OpenCL
ocl
android
370
views
no
answers
no
votes
2016-03-25 03:44:45 -0600
Jason_Wang
OpenCV ocl function with POCL and Raspberry Pi2
c++
raspberrypi2
opencl
ubuntuMate
251
views
no
answers
no
votes
2014-06-14 06:22:14 -0600
DennisJung
Opencv ocl library performance problem and sample square code performance question??
#OpenCL
#ocl
#Square
#performance
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
495
views
no
answers
no
votes
2013-06-24 17:31:40 -0600
Hansg91
OpenCL on OSX
OSX
ocl
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