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783 questions
Tagged
1k
views
no
answers
no
votes
2017-02-14 12:56:22 -0600
ttulinsky
Centos 7 building: many missing packages e.g. videodev.h, libavutil building
Centos7
3k
views
2
answers
1
vote
2017-02-16 06:44:07 -0600
DavB
Building/Compiling OpenCV 3.2 with Qt on Visual Studio 2015 [closed]
qt
vs2015
1k
views
1
answer
no
votes
2017-02-28 10:54:31 -0600
ibrahim.kaa
Error building opencv with extra modules in Visual Studio
opencv3.2
extramodules
tracking
build
32bit
visual-studio-2015
765
views
no
answers
no
votes
2017-03-16 05:00:12 -0600
user12551
Building OpenCV 2.4 for arm64-v8a or x86_64 (CMake / make)
android
opencv
1k
views
1
answer
no
votes
2017-03-16 13:15:08 -0600
adn
Missing ts from Release build
build
ts
tests
397
views
no
answers
no
votes
2017-03-21 10:52:33 -0600
Lindsey98
Trouble building opencv 3.2.0 on raspbian(pi3)
installation
opencv
python
3.2.0
816
views
2
answers
no
votes
2017-03-25 03:49:08 -0600
picaso
How to use MOG in python openCV 3.2.0 version [closed]
opencv#bgsegm
1k
views
no
answers
no
votes
2017-03-29 17:03:46 -0600
yrazin
opencv_highgui320: Qt5 .dlls required and 0xc000a200 error [closed]
highgui
qt5
1k
views
1
answer
no
votes
2017-04-09 23:05:37 -0600
Serpent10i
Building OpenCV 3.2 with opencv_contrib for Python 3.6 on Window
install
python
python3
build
cmake-gui
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
901
views
no
answers
1
vote
2017-05-17 18:48:51 -0600
philboske
Some resolutions cause segmentation faults in DISOpticalFlow()
opencv_contrib
opticalflow
2k
views
no
answers
no
votes
2017-07-03 04:50:14 -0600
doudou2017
How to solve CMake Warning at cmake/OpenCVPackaging.cmake:23 (message): CPACK_PACKAGE_VERSION does not match version provided by version.hpp header! [closed]
opencv
7k
views
1
answer
no
votes
2017-07-04 00:40:04 -0600
berak
How does VideoCapture from USB Webcam on Windows using DirectShow and MJPG work?
mjpg
mjpeg
webcam
videocapture
directshow
593
views
no
answers
no
votes
2017-07-23 22:54:20 -0600
reid
DMA directly into UMat data
UMat
gpu
DMA
557
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
2k
views
2
answers
no
votes
2017-11-22 08:31:24 -0600
fywa_prolge
cv::cudacodec::createVideoReader segfault
CUDA
9.0
NVCUVID
8k
views
1
answer
no
votes
2018-11-08 12:04:09 -0600
Eduardo
OpenCV + Darknet - Error when initializing darknet
yolo
object
detection
darknet
dnn
Initialization
3k
views
1
answer
no
votes
2018-01-19 13:16:04 -0600
mshabunin
Opencv 3.4.0 + Opencv contrib + MinGW 4.9.2 + ERROR while compiling (mingw-make)
OpenCV3.4.0
contrib
mingw
error
compiling
make
1k
views
no
answers
no
votes
2018-01-22 02:53:16 -0600
Micka
cuDNN in OpenCV DNN module?
dnn
opencv_dnn
gpu
cuDNN
374
views
no
answers
1
vote
2018-02-24 10:19:40 -0600
krishnapra
Objects detected as multiple dots while using custom tensorflow model in OpenCV dnn [closed]
dnn
tensorflow
opencv_dnn
issue
632
views
1
answer
no
votes
2018-07-03 06:10:09 -0600
berak
dnn example question.
dnn
facenet
3k
views
1
answer
no
votes
2018-08-15 12:39:27 -0600
wmmc88
How do I properly build Android OpenCV from sources?
build_sdk.py
build
contrib
android
792
views
no
answers
no
votes
2018-10-26 07:12:19 -0600
sean2018
Opencv on MacOS Xcode can not use imread to read image based on c++
c++opencv
macos
1k
views
no
answers
1
vote
2018-12-04 07:51:18 -0600
Zana Zakaryaie Nejad
What is HAL exactly? Whats the difference between HAL and T-API?
opencv
hal
neon
T-API
973
views
1
answer
no
votes
2019-01-23 05:05:02 -0600
JohnnyWang
How to fix the issue about cvCreateCameraCapture
android
opencv
ffmpeg
88
views
no
answers
no
votes
2019-01-23 10:56:37 -0600
peter_cz
How to detect workgroup size used?
dnn
809
views
1
answer
no
votes
2019-02-09 13:46:09 -0600
cudawarped
gpu decoder- all CUDA-capable devices are busy or unavailable in function 'allocate'
gpu#decoder
1k
views
1
answer
1
vote
2019-03-12 02:36:11 -0600
LBerger
OpenCV 4.0.1 Cmake Windows does not configure correctly
cmake
cmake-gui
python
windows
145
views
no
answers
no
votes
2019-04-25 20:01:02 -0600
zack
GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?
ubuntu
time
vs2017
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