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370 questions
Tagged
1k
views
no
answers
no
votes
2018-12-06 01:16:32 -0600
berak
cv::resize will change the dst Mat::data buf address unexpectedly.
resize
1k
views
no
answers
no
votes
2019-07-26 07:16:16 -0600
supra56
Windows 10 building openCV.js
opencvjs
1k
views
no
answers
no
votes
2019-09-01 04:23:43 -0600
Martian
OpenCV 4 cmake switches for best runtime performance (Linux, C++, Python)
cmake
switches
c++
3k
views
no
answers
no
votes
2020-04-21 13:42:12 -0600
hant
Opencv-Python built for Windows x64 Python 3.7, .pyd file not found, OpenCV modules unavailable
copencvpython
pyd
cv2.pyd
cmake
build
python3.7
283
views
no
answers
no
votes
2020-06-16 09:15:18 -0600
berak
ERROR WHILE INSTALLING OPENCV-3.4.9 IN UNBUNTU 20.--OPENCV_VIDEOSTAB
ubuntu20
OPENCV-3.4.9
opencv_videostab
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
947
views
no
answers
no
votes
2018-03-28 01:40:52 -0600
convoluted
Building OpenCV w/ Python 3 + Qt5 Support - DLL problems
mingw
dlls
windows
python
qt5
1k
views
no
answers
no
votes
2018-12-07 03:23:50 -0600
ivec
Measuring line thickness in a noisy image (OCT layer thickness)
noisy
OCT
measurment
thickness
edge-detection
Lineetection
2k
views
no
answers
no
votes
2019-06-29 02:59:17 -0600
doctrucker
Failing to lock exposure on Logitech C270
beginner
python
compile
c270
1k
views
no
answers
no
votes
2019-08-19 17:02:18 -0600
paubau
Cross-compile for ARM
cross-compilation
docker
arm
451
views
no
answers
no
votes
2019-12-12 05:41:37 -0600
berak
I have tried installing opencv on raspberry pi but i get this error on cmake
raspberypi3
opencv
RaspberryPi
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
393
views
no
answers
1
vote
2017-12-18 09:13:37 -0600
fabito
Error running inference on Single Shot Scale-invariant Face Detector pre trained model
dnn
caffe
caffeemodel
Facedetection
opencv_dnn
objectdection
1k
views
no
answers
no
votes
2018-06-12 10:14:21 -0600
wreck_zone
Error during compiling OpenCV with CMake using Qt MinGW
cmake-3.11.3
opencv3.4.1
Qt5.11
mingw
215
views
no
answers
no
votes
2019-04-03 22:09:36 -0600
turiya
Cannot Run Code To Use Webcam capture and analysis
opencv
c++
visualstudio
71
views
no
answers
no
votes
2019-06-20 22:38:32 -0600
Vizier87
"Major ver = 6" return from console
avermedia
7231
932
views
no
answers
no
votes
2019-08-07 10:32:27 -0600
h438
Opencv4 static linking
opencv4
static
1k
views
no
answers
no
votes
2019-09-21 09:18:51 -0600
eagle77
How to run OpenCV DNN ON GPU ANDROID
android
opencv
gpu
373
views
no
answers
no
votes
2018-06-21 20:01:19 -0600
nvnnghia
Got an error when tried to capture from Usb Camera
videocapture
1k
views
no
answers
no
votes
2018-07-17 00:39:55 -0600
bryan2lee
Does Opencv3.4 support Mali-T860 GPU acceloration?
android
gpu
287
views
no
answers
1
vote
2018-08-26 21:36:03 -0600
laurencedev
Failed to run the test of `test_fast.cpp` on Windows with MinGW-W64
cvtest
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
921
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
2017-09-22 09:45:15 -0600
Lubagov
OpenCV 3.3 setNumThreads(0) bug
setNumThreads
cascadeclassifier
opencv
3.3
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
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