Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
relevance
date
activity
answers
votes ▲
486 questions
Tagged
973
views
1
answer
no
votes
2019-09-11 18:50:21 -0600
AndreaF
Why previous version OpenCV sample freezes with a black screen after update form 3.4.3 to 4.1.1?
android
opencv
959
views
no
answers
no
votes
2019-10-03 12:52:46 -0600
bevilacq12
Trying to make OpenCV conan package with FFmpeg support, not working
conan
package
ffmpeg
136
views
no
answers
no
votes
2019-10-11 14:47:56 -0600
SeFle
Error while compiling with VS 17
visual-studio
CUDA
cmake
425
views
no
answers
no
votes
2020-02-25 03:21:06 -0600
jhk
Build fails in nvidia docker; cuda:9.2-cudnn7-devel-ubuntu16.04
docker
build
241
views
no
answers
no
votes
2020-05-14 08:00:49 -0600
berak
OpenCV4.3.0 build with OpenCL
ocl
android
916
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
464
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
610
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
10k
views
1
answer
no
votes
2012-08-14 03:30:52 -0600
powlee
VideoCapture is not working in OpenCV 2.4.2
installation
ffmpeg
stream
videocapture
536
views
1
answer
no
votes
2015-07-19 12:04:44 -0600
StevenPuttemans
Improve training cascade speed
traincascade
21k
views
1
answer
no
votes
2016-10-09 00:01:22 -0600
gfx
sys/videoio.h: No such file or directory
opencv
ubuntu
build
3k
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
843
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
2017-08-03 04:32:14 -0600
Raki
Matplotlib to replace imshow()
matplotlib
opencv
python3
256
views
no
answers
no
votes
2017-09-27 10:46:14 -0600
berak
videoCapture::open doesn't see default camera
videocapture
2k
views
no
answers
no
votes
2017-12-21 14:10:45 -0600
Paula
Error in make OpenCV - file in wrong format
make
cmake
442
views
no
answers
no
votes
2018-06-12 03:55:24 -0600
Amir Raouf
Why this error exists at building opencv?
opencv#ubuntu#cmake
474
views
no
answers
no
votes
2018-12-26 02:05:24 -0600
egorii
Which simple methods to speed up OpenCV code exists? [closed]
optimization
2k
views
1
answer
no
votes
2019-09-17 10:38:09 -0600
Spinner79
cmake build error on raspbian raspberry pi 4
cmake-error
254
views
no
answers
no
votes
2019-12-17 21:43:08 -0600
sid311
How to specify IPP version with CMake for versions 4.1.2/4.2.0?
IPP
lippicv
1k
views
1
answer
no
votes
2020-01-29 21:31:07 -0600
chee0007
Issues compiling opencv-3.4.8 with cuda-10.2 in Ubuntu
c++
CUDA10.2
aarch64
compilation-error
2k
views
4
answers
no
votes
2018-12-29 18:09:01 -0600
gromtron
Building OpenCV with CUDA (Win10, VS 2017)
cuda10
Windows10
Visualstudio2017
922
views
1
answer
no
votes
2013-08-21 05:19:21 -0600
Patrick Tyll
HTC One, OpenCV & Native Activity
#htcone
#android#opencv
#native
1k
views
2
answers
no
votes
2013-11-21 07:46:36 -0600
stuarta
Building opencv-2.4.6.1 or 2.4.7 on CentOS 5
centos5
1k
views
no
answers
no
votes
2015-08-24 06:04:34 -0600
jeremyrutman
some functions not available
createFisher
136
views
no
answers
no
votes
2016-06-10 02:40:14 -0600
Dysth
Interpreting Valgrind results about a 3D reconstruction program
c++
Valgrind
opencv
151
views
no
answers
no
votes
2016-06-28 14:45:16 -0600
atv
dpm incredibly slow?
opencv
dpm
1k
views
no
answers
no
votes
2016-10-29 05:55:35 -0600
peterzcc
HIGH GPU Memory Usage by OpenCV Python Module [closed]
memory
1k
views
1
answer
no
votes
2017-03-16 13:15:08 -0600
adn
Missing ts from Release build
build
ts
tests
1k
views
no
answers
no
votes
2018-05-07 09:26:47 -0600
YayIguess
OpenCV failing to compile with CUDA support
CUDA
compile
« previous
1
...
6
7
8
9
10
...
17
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
android
×4
build
×4
c++
×2
cmake
×2
CUDA
×2
ffmpeg
×2
ubuntu
×2
videocapture
×2
aarch64
×1
#android#opencv
×1
camera
×1
CaptureVideo
×1
centos5
×1
cmake-error
×1
compilation-error
×1
compile
×1
conan
×1
createFisher
×1
cuda10
×1
CUDA10.2
×1
docker
×1
dpm
×1
#htcone
×1
installation
×1
IPP
×1
linux
×1
lippicv
×1
make
×1
matplotlib
×1
memory
×1
#native
×1
ocl
×1
opencl
×1
Opencv3.0
×1
opencv#bgsegm
×1
opencv#ubuntu#cmake
×1
optimization
×1
OSX
×1
package
×1
python
×1
python3
×1
stream
×1
tests
×1
traincascade
×1
ts
×1
Valgrind
×1
visual-studio
×1
Visualstudio2017
×1
Windows10
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×