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
370 questions
Tagged
444
views
no
answers
no
votes
2016-12-06 01:59:23 -0600
pi-null-mezon
CUDA backend for the opencv_dnn
dnn
caffe
CUDA
997
views
no
answers
no
votes
2016-12-07 02:33:04 -0600
Humam Helfawi
Can not find Java folder in OpenCV build
android
529
views
no
answers
no
votes
2017-08-12 22:53:46 -0600
Uma
clGetPlatformIds is failed for Mobile GPU (Adreno 405)
android#opencv
174
views
no
answers
2
votes
2017-09-12 02:17:49 -0600
mihaibujanca
Module directory structure
modules
directory
CUDA
headers
328
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
933
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
644
views
no
answers
1
vote
2018-03-30 06:21:56 -0600
Vahe
OpenCV object detection run error
opencv
objectdetection
python
720
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
373
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
648
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
293
views
no
answers
no
votes
2018-08-01 14:40:06 -0600
altimerk
opencv_test_cudacodec fails
CUDA
videoio
cudacodec
383
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
206
views
no
answers
no
votes
2018-11-02 23:47:52 -0600
Rakshita
Open CV -Error building library with cmake-eclipse
Builderror#openCV
248
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
363
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
447
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
2k
views
no
answers
6
votes
2014-08-06 15:18:52 -0600
protonmesh
OpenCV Displaying UMat Efficiently
UMat
opengl
buffer
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
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
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
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
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
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
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
« previous
1
...
7
8
9
10
11
...
13
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
c++
×5
CUDA
×4
ocl
×3
android
×2
cmake
×2
dnn
×2
Multithreading
×2
python
×2
#python
×2
tbb
×2
#2.4.7
×1
#3.0.0
×1
3.4
×1
64-bitwindows
×1
affine
×1
anaconda
×1
android#opencv
×1
arm64
×1
buffer
×1
#build
×1
Builderror#openCV
×1
building
×1
caffe
×1
caffeemodel
×1
compile
×1
cpp
×1
cudacodec
×1
cvtColor
×1
descriptor
×1
directory
×1
directx
×1
error
×1
fast
×1
from
×1
gpu
×1
headers
×1
ipcam
×1
Jetson
×1
jupyter
×1
kernel
×1
large
×1
matcher
×1
modules
×1
objectdetection
×1
opencv4
×1
opencv410
×1
opencv_contrib
×1
OpenCV.js
×1
opengl
×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
×
