First time here? Check out the FAQ!
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
783 questions
Tagged
1k
views
1
answer
1
vote
2015-09-10 21:15:04 -0600
biaspoint
What are the equivalent functions of cv::ocl in 3.0?
ocl
opencv-3.0.0
ubuntu14.04
Functions
993
views
1
answer
no
votes
2016-06-28 05:25:29 -0600
berak
OpenCL/gpu and umat
opencv
680
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
585
views
1
answer
no
votes
2017-01-13 02:50:20 -0600
LBerger
Doubt about BackgroundSubtractorMOG2 apply method
BackSubtractorMOG2
foreground
837
views
no
answers
no
votes
2017-06-22 12:34:24 -0600
danieltak
Error 'Exception thrown: write access violation' with sample objectDetection.cpp [closed]
build_failure
objectDetection.cpp
types.hpp
42k
views
1
answer
no
votes
2017-12-26 02:32:46 -0600
Sakthivel S
Python3 : AttributeError: module 'cv2.cv2' has no attribute 'xfeatures2d'
computer-vision
xfeatures2d
python3
3dreconstruction
1k
views
no
answers
1
vote
2018-10-29 11:28:18 -0600
kbarni
OpenCV in parallel threads
tbb
Multithreading
562
views
no
answers
1
vote
2018-12-04 18:16:34 -0600
ars0
Could not generate .wasm file when building opencv.js
OpenCV.js
webassemby
117
views
no
answers
no
votes
2019-01-23 09:57:37 -0600
peter_cz
OPENCV_OCL4DNN_DISABLE_AUTO_TUNING
dnn
1k
views
1
answer
no
votes
2019-07-02 16:16:01 -0600
RossK
'cv::Exception' ... install libgtk2.0-dev runtime error
opencv4.1
fedora
154
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
318
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
969
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
2k
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
989
views
1
answer
no
votes
2020-09-03 03:09:52 -0600
berak
Trouble Installing Opencv for C++ use
opencv#c++#Install
369
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
864
views
2
answers
no
votes
2019-09-21 02:42:38 -0600
LBerger
RPi 3B+ setting OPENCV_ENABLE_NONFREE:BOOL=ON does not enable "non-free algorithms" after cmake
nonfree
cmake
build
RaspberryPi3
956
views
1
answer
1
vote
2013-06-02 01:16:06 -0600
heneedhelp
Opencv Android 2.4.5 device reboot
#android
samsung
s4
reboot
crash
restart
1k
views
1
answer
1
vote
2013-09-22 14:12:40 -0600
Dake Feng
Trouble Compiling OpenCV 2.4.6 from source
OpenCV2.4.6
VS2012
2k
views
2
answers
no
votes
2014-08-13 13:39:35 -0600
gauss89
OpenCV 2.4.6 Build/link errors with CUDA and OpenGL
2.4.6
CUDA
linkerError
634
views
1
answer
no
votes
2013-12-03 08:30:59 -0600
jensenb
compiling opencv @2.4.6.1_2+python27 with CUDA support throws an error after upgrading to OS X 10.9
osx-mavericks
CUDA5.5
macports
nvcc
1k
views
1
answer
no
votes
2013-11-07 08:55:52 -0600
Vladislav Vinogradov
CMake errors while building OpenCV 2.4.5 with CUDA 5.5
CUDA5.5
cmake
c++
11k
views
3
answers
3
votes
2013-12-18 02:27:17 -0600
mcarteaux
Building opencv-2.4.7 on CentOS 6
centos6
sub-command
cmake
MD5
1k
views
no
answers
1
vote
2013-12-05 13:16:57 -0600
talcat
VideoWriter failure: "Gstreamer Opencv backend does not support this codec actually"
#python
#2.4.7
#ubuntu12.04
1k
views
1
answer
no
votes
2014-01-05 03:17:12 -0600
Matthias
I cannot build java in 3.0.0
java
build
97
views
no
answers
1
vote
2014-01-16 15:08:22 -0600
ocltester
runtime loading of ocl
ocl
603
views
no
answers
no
votes
2014-03-08 15:21:20 -0600
amm
warpAffine produces erroneous output on large images
affine
warp
large
1k
views
no
answers
no
votes
2014-03-13 13:40:36 -0600
Jenniferwillow
Problem compiling Opencv 2.4.8 - cudaarithm.a linking
deleted
8k
views
1
answer
no
votes
2014-04-30 11:02:42 -0600
thePhi
cv2.imshow() not working ("function no implemented") (on Ubuntu) [SOLVED]
install
imshow
ubuntu14.04
gtk
2k
views
no
answers
no
votes
2014-08-03 14:06:24 -0600
ChipNinja
install opencv-2.4-9 on centos 6.5 with cuda 5.5 support.
CUDA
CentOS
opencv
« previous
1
...
14
15
16
17
18
...
27
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×4
cmake
×3
CUDA
×3
build
×2
c++
×2
CUDA5.5
×2
ocl
×2
ubuntu14.04
×2
2.4.6
×1
#2.4.7
×1
3dreconstruction
×1
64-bitwindows
×1
affine
×1
anaconda
×1
#android
×1
BackSubtractorMOG2
×1
build_failure
×1
caffeemodel
×1
CentOS
×1
centos6
×1
computer-vision
×1
cpp
×1
crash
×1
deleted
×1
dnn
×1
fedora
×1
foreground
×1
Functions
×1
gtk
×1
imshow
×1
install
×1
java
×1
jupyter
×1
large
×1
linkerError
×1
macports
×1
MD5
×1
Multithreading
×1
nonfree
×1
nvcc
×1
objectDetection.cpp
×1
OpenCV2.4.6
×1
opencv-3.0.0
×1
opencv4
×1
opencv4.1
×1
opencv#c++#Install
×1
opencv_contrib
×1
OpenCV.js
×1
osx-mavericks
×1
python
×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
×
