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
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
996
views
1
answer
no
votes
2016-06-28 05:25:29 -0600
berak
OpenCL/gpu and umat
opencv
682
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
592
views
1
answer
no
votes
2017-01-13 02:50:20 -0600
LBerger
Doubt about BackgroundSubtractorMOG2 apply method
BackSubtractorMOG2
foreground
854
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
120
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
160
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
342
views
no
answers
no
votes
2020-03-03 02:32:51 -0600
Nativate
Help run caffemodel
caffeemodel
python
opencv
anaconda
jupyter
975
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
1k
views
1
answer
no
votes
2020-09-03 03:09:52 -0600
berak
Trouble Installing Opencv for C++ use
opencv#c++#Install
398
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
1k
views
2
answers
no
votes
2018-12-06 06:52:56 -0600
berak
GPU matcher on Python
gpu
1k
views
no
answers
no
votes
2013-05-07 22:43:22 -0600
jluzwick
Problem with imshow in opencv 2.4.5 and ubuntu 13.04 [closed]
imshow
ubuntu13.04
920
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
1
answer
no
votes
2014-05-08 09:39:11 -0600
Gertlex
Compiler error using GCC 4.8.2 (MacPorts), OS X 10.9.2
gcc
OSX
macports
1k
views
no
answers
no
votes
2015-05-14 04:03:52 -0600
AspireStone3
Why OpenCV 3.0.0 doesn't build .jar file in Mac OSX (Eclipse)? [closed]
Eclipse
opencv
java
yosemite
456
views
no
answers
no
votes
2016-12-06 01:59:23 -0600
pi-null-mezon
CUDA backend for the opencv_dnn
dnn
caffe
CUDA
1k
views
no
answers
no
votes
2016-12-07 02:33:04 -0600
Humam Helfawi
Can not find Java folder in OpenCV build
android
571
views
1
answer
no
votes
2017-05-30 10:18:34 -0600
mshabunin
OpenCV Fails to Install on Ubuntu 16.10 using ICC and ICPC
icc
3.2.0
compile
opencv
c++
install
548
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
1k
views
1
answer
no
votes
2017-10-31 20:55:46 -0600
reverse_the_circuit
OpenCV 3.3.0 Build error - AVX2 code throwing assembly messages
build
error
AVX2
Imgproc
1k
views
1
answer
no
votes
2017-12-16 02:06:13 -0600
berak
I am with difficulties in building the openCV.js in MAC OS
OpenCV.js
345
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
958
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
740
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
387
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
103
views
1
answer
no
votes
2018-07-04 15:44:34 -0600
cedricmenard
How to check at compile-time for built features [closed]
compile
flags
CUDA
« previous
1
...
13
14
15
16
17
...
27
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
c++
×3
compile
×3
CUDA
×3
dnn
×2
error
×2
gpu
×2
#3.0.0
×1
3.2.0
×1
3.4
×1
3dreconstruction
×1
64-bitwindows
×1
anaconda
×1
android
×1
#android#opencv
×1
android#opencv
×1
arm64
×1
AVX2
×1
BackSubtractorMOG2
×1
build
×1
#build
×1
build_failure
×1
building
×1
caffe
×1
caffeemodel
×1
cmake
×1
computer-vision
×1
cpp
×1
cvtColor
×1
descriptor
×1
Eclipse
×1
fast
×1
fedora
×1
flags
×1
foreground
×1
from
×1
gcc
×1
#htcone
×1
icc
×1
Imgproc
×1
imshow
×1
install
×1
java
×1
jupyter
×1
macports
×1
matcher
×1
Multithreading
×1
#native
×1
objectDetection.cpp
×1
ocl
×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
×
