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370 questions
Tagged
711
views
no
answers
no
votes
2020-06-02 12:03:55 -0600
dedetuga
Building Opencv4.3 Android shared libs error
build
android
opencv
linux
ubuntu
1k
views
no
answers
no
votes
2020-08-19 11:39:40 -0600
Fabrice_06
Wrong FPS and FRAME_COUNT read from a wmv file with opencv4.0 under python
get
CAP_PROP_FPS
CAP_PROP_FRAME_COUNT
550
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
3k
views
no
answers
no
votes
2014-09-22 08:08:58 -0600
Aleksandr Motsjonov
Build Opencv 3 alpha with Python support
#3.0.0
#python
#build
679
views
no
answers
no
votes
2016-12-16 13:37:12 -0600
Yulin
building Opencv 3.1.0 with cuda 8.0 in Ubuntu 14.04
CUDA
116
views
no
answers
no
votes
2019-01-23 09:57:37 -0600
peter_cz
OPENCV_OCL4DNN_DISABLE_AUTO_TUNING
dnn
150
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
304
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
962
views
no
answers
no
votes
2020-04-11 08:43:32 -0600
carmeltop
gcc: error: long: No such file or directory (!!DENABLE_OPENCV_ALLOCATOR_STATS has set off)
windows7
opencv
64-bitwindows
1k
views
no
answers
no
votes
2020-07-29 17:30:02 -0600
sydsdk
Compiling Tracker from tutorial leads to error: ‘Tracker’ was not declared in this scope
tracking
cpp
c++
opencv_contrib
357
views
no
answers
no
votes
2020-10-03 08:13:01 -0600
candleboy_
I'm having major issues with setting up h/w accelerated video capture on Windows 10. Would appreciate any and all help and advice.
windows
videocapture
442
views
no
answers
no
votes
2016-12-06 01:59:23 -0600
pi-null-mezon
CUDA backend for the opencv_dnn
dnn
caffe
CUDA
982
views
no
answers
no
votes
2016-12-07 02:33:04 -0600
Humam Helfawi
Can not find Java folder in OpenCV build
android
525
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
323
views
no
answers
no
votes
2018-01-30 19:33:33 -0600
ambitiouszty
after "17. right-click on INSTALL and build it" successfully, I still can't import cv2
building
opencv
from
source
914
views
no
answers
no
votes
2018-02-20 04:09:19 -0600
micmac
Features2D + Homography to find a known object on GPU/OpenCL
descriptor
matcher
gpu
ocl
ORB
fast
704
views
no
answers
no
votes
2018-06-20 00:36:56 -0600
berak
error 2 compiling OpenCV3.4 with Cmake
error
compile
opencv
3.4
cmake
367
views
no
answers
no
votes
2018-06-20 09:30:30 -0600
toiski
libtbb segfault on second attempt in boost::thread on ARM/aarch64
arm64
c++
segfault
Multithreading
cvtColor
tbb
633
views
no
answers
no
votes
2018-07-12 10:16:33 -0600
berak
failing cmake configure for opencv on Jetson TX2
cmake
Jetson
tegra
TX2
290
views
no
answers
no
votes
2018-08-01 14:40:06 -0600
altimerk
opencv_test_cudacodec fails
CUDA
videoio
cudacodec
375
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
203
views
no
answers
no
votes
2018-11-02 23:47:52 -0600
Rakshita
Open CV -Error building library with cmake-eclipse
Builderror#openCV
239
views
no
answers
no
votes
2019-07-22 12:44:30 -0600
Ejok
cv::ocl::Kernel run method generate exception ( error: (-215) clEnqueueReadBuffer) (OpenCV 4.1.0)
opencv410
qt
kernel
ocl
360
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
407
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
1k
views
no
answers
no
votes
2018-01-10 12:05:08 -0600
sjmgarnier
Problem linking shared library libopencv_core340.dll with MinGW 64
mingw
3.4
Linking_error
compilation-error
1k
views
no
answers
no
votes
2018-03-26 06:56:47 -0600
Idil
OpenCV 3.4.1 build fails with Ubuntu 16.04
opencv3.4.1
6k
views
no
answers
no
votes
2017-01-25 12:29:02 -0600
victor.dmdb
VIDEOIO ERROR: V4L
videoio
videocapture
url
1k
views
no
answers
no
votes
2017-06-28 03:26:50 -0600
scobbing
Error with cuda::VideoWriter
CUDA
CreateVideoWriter
247
views
no
answers
no
votes
2017-09-27 10:46:14 -0600
berak
videoCapture::open doesn't see default camera
videocapture
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