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783 questions
Tagged
2k
views
no
answers
no
votes
2015-12-11 13:11:15 -0600
Steve Hess
Memory leak in Mat::convertTo
Mat
UMat
memory
leak
19k
views
2
answers
1
vote
2016-01-08 09:44:16 -0600
pklab
grab and process multiple frames in different threads - opencv semi-related
opencv
multithread
grab
process
Video
2k
views
1
answer
no
votes
2016-02-23 22:58:04 -0600
sai kethamakka
8UC4 Mat to qimage
c++qt
QImage
imageConversion
3k
views
no
answers
no
votes
2016-02-22 07:49:51 -0600
berak
DLL load failed with opencv 3.1 and python 3.5
opencv
python
DLL
error
1k
views
2
answers
no
votes
2016-02-29 05:14:29 -0600
MarKS9
OpenCV is built with CUDA but gpu::getCudaEnableDeviceCount() returns 0
CUDA
gpu
684
views
no
answers
no
votes
2016-03-10 09:22:00 -0600
berak
Empty /bin and /lib after Generation [closed]
vista
opencv
584
views
1
answer
no
votes
2016-03-13 03:16:26 -0600
berak
CV_IPP_RUN no define when build opencv3.1.0
opencv3.1.0
8k
views
no
answers
1
vote
2016-04-28 12:56:10 -0600
Mohammed Eliass
error while re-build opencv-3.1.0 with extra modules "opencv_contrib" ?
opencv3.1.0
ubuntu14.04
4k
views
1
answer
no
votes
2016-05-30 05:01:02 -0600
mshabunin
Cannot build OpenCV 3.1.0 from source with FFMPEG
ubuntu15.04
ffmpeg
python3
libav
opencv3.1.0
build
321
views
no
answers
no
votes
2016-06-03 04:16:53 -0600
VanGog
Where to get MAT sources and how configure it for CMAKE?
opencv
Mat
CvMat
visualstudio2010
cmake
769
views
no
answers
no
votes
2016-06-28 09:54:45 -0600
berak
opencv cross compilation issue
opnecv
cross-compile
928
views
no
answers
1
vote
2016-07-16 08:44:09 -0600
AAkash
Opencv 3.1 build error
opencv3.1
build
CUDA
visual-studio-2013
20k
views
1
answer
no
votes
2016-10-09 00:01:22 -0600
gfx
sys/videoio.h: No such file or directory
opencv
ubuntu
build
1k
views
2
answers
no
votes
2017-01-10 00:27:47 -0600
MFmaniak
31 linkage errors while building OpenCV_world dll on VS2013 with Qt
qt
opencv3.1
VS2013
opencv_world310.dll
2k
views
no
answers
no
votes
2016-08-04 19:47:44 -0600
monajalal
ImportError: No module named 'cv2' in OSX for OpenCV3 using Python3.5.2
python
Opencv3.0
OSX
516
views
no
answers
no
votes
2016-08-19 12:02:38 -0600
LBerger
Problem with OcrTesseract class. [closed]
c++
opencv
tesseract
opencvcontrib
649
views
1
answer
no
votes
2016-08-25 10:20:54 -0600
jlaura
OpenCV3, Python3, Missing xFeatures
build
python
python3
opencv3.1.0
1k
views
2
answers
1
vote
2016-09-24 00:03:12 -0600
wandering
Problem building Opencv 3.1 - cap_gphoto2.cpp errors
build
3.1
17k
views
1
answer
no
votes
2016-09-28 08:19:55 -0600
Leonardo
IP Camera Capture delay/lag
videocapture
cache
ip
onvif
rtsp
gstreamer
1k
views
no
answers
no
votes
2016-09-27 00:11:34 -0600
flexbex
opnecv build fails on rpi3 with Ubuntu 16.04 and ENABLE_NEON=ON
opencv
c++
install
RaspberryPi
raspberrypi2
1k
views
1
answer
no
votes
2016-11-26 06:30:57 -0600
berak
Ubuntu build fails with memcpy not declared in string.h
build
installation
ubuntu16.04
make
428
views
no
answers
no
votes
2016-12-02 04:50:29 -0600
berak
After I compile opencv_contrib to opencv3.1,I still can't use SURF [closed]
opencv_contrib
python
1k
views
1
answer
1
vote
2016-12-07 02:17:55 -0600
LBerger
Segmentation fault when initializing tracker. Possible bug?
bugreporting
SegmentationFault
kcf_tracker
6k
views
1
answer
no
votes
2016-12-09 06:09:11 -0600
pi-null-mezon
Trying to run dnn module
opencv3.1.0
deep-learning
dnnopencvmodule
289
views
no
answers
no
votes
2016-12-17 05:02:17 -0600
LBerger
Linux miniPC haar cascade freeze ! [closed]
Haar
cascade
freeze
1k
views
1
answer
-1
votes
2017-01-14 07:21:08 -0600
User
OpenCV 3.1 build for windows imshow doesn't work [closed]
opencv3.1
imshow
highgui
build
709
views
no
answers
no
votes
2017-01-17 17:37:05 -0600
supersushi
Build Opencv 3.2 fails on Windows 8.1 with VS2013 [closed]
3.2.0
build
windows
visual-studio-2013
163
views
no
answers
no
votes
2017-02-03 02:03:29 -0600
Little drop
I want to opencv3.2.0+Qt5.6.2 in win10 os platform ,but failed to use mingw32-make.exe to compile .
mingw32-make#Qt5
373
views
1
answer
no
votes
2017-02-28 06:03:58 -0600
Sutil
namedWindow bug on Ubuntu 16.04 [closed]
ubuntu16.04
2k
views
no
answers
no
votes
2017-02-09 06:56:33 -0600
ThorbjornSomod
Using cv::cudacodec::createVideoReader()
cudacodec
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