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
29 questions
Tagged
c++
×
366
views
no
answers
no
votes
2019-12-29 23:20:22 -0600
jaylo
OpenCV Blender causes CL_BUILD_PROGRAM_FAILURE
stitching
opencl
c++
210
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
140
views
no
answers
no
votes
2016-12-09 01:14:16 -0600
Anirudh GP
OpenCV gives Assertion failed error when running on GPU using OpenCL
c++
opencv
opencl
1k
views
no
answers
no
votes
2020-07-08 08:55:49 -0600
laura
OpenCL error CL_INVALID_VALUE in findChessboardCornersSB
opencl
cpp
c++
opencv
429
views
no
answers
no
votes
2016-02-16 09:27:25 -0600
crynsane
OpenCL not using GPU with HAAR evaluator
opencl
c++
cascadeclassifier
91
views
no
answers
no
votes
2016-02-27 18:18:10 -0600
phirestalker
does opencl require any other optional tags to work?
opencv3.1.0
c++
209
views
no
answers
no
votes
2019-01-22 02:48:20 -0600
DanVision
OpenCV T-API (OpenCL) CL_Error
opencl
opencv
c++
5k
views
no
answers
1
vote
2018-11-15 04:05:58 -0600
Zari
Build OpenCV with OpenCL support
c++
compilation
cmake
opencl
188
views
no
answers
no
votes
2018-07-23 22:33:01 -0600
rbh486
opencv3.2 umat is slower than mat...
c++
opencv
opencl
360
views
no
answers
no
votes
2016-03-25 03:44:45 -0600
Jason_Wang
OpenCV ocl function with POCL and Raspberry Pi2
c++
raspberrypi2
opencl
ubuntuMate
1k
views
no
answers
no
votes
2017-05-26 13:07:46 -0600
Elliot_
How can I deal with cv::matchTemplate crashing for large images?
visual
studio
c++
opencl
1k
views
no
answers
no
votes
2015-10-07 02:51:25 -0600
JesseCh
Using OpenCV 3.0 UMat on Odroid XU3
Opencv3.0
opencl
arm
odroid
c++
opencv
1k
views
no
answers
no
votes
2018-05-10 08:36:40 -0600
berak
[opencv 4.0.0 installation] Failed build project
opencv
c++
207
views
no
answers
no
votes
2019-04-03 22:09:36 -0600
turiya
Cannot Run Code To Use Webcam capture and analysis
opencv
c++
visualstudio
1k
views
no
answers
no
votes
2019-09-01 04:23:43 -0600
Martian
OpenCV 4 cmake switches for best runtime performance (Linux, C++, Python)
cmake
switches
c++
1k
views
no
answers
no
votes
2018-04-24 05:09:17 -0600
berak
Does OpenCV 3.4.x perform better(execution time) in release mode?
c++
performance
multi-thread
371
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
380
views
no
answers
no
votes
2018-10-09 04:56:05 -0600
Mikelle02
Unknown error code -220 on cv::ocl::attachContext
c++
opencv
android
363
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
440
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
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
828
views
no
answers
no
votes
2015-02-04 06:23:06 -0600
Whysùerhill
How to build CUDA library into app
CUDA
c++
application
libraries
1k
views
no
answers
no
votes
2015-05-14 11:23:23 -0600
denials
Opencv 3.0 + Visual Studio 2013 VC12 + Cuda 7.0 + Windows 8.1: Error building
c++
opencv
CUDA7.0
install
error
VC12
4k
views
no
answers
no
votes
2015-08-05 04:59:05 -0600
Dum
opencv much slower in multithreading
c++
opencv
Multithreading
1k
views
no
answers
no
votes
2016-09-27 00:11:34 -0600
flexbex
opnecv build fails on rpi3 with Ubuntu 16.04 and ENABLE_NEON=ON
opencv
c++
install
RaspberryPi
raspberrypi2
413
views
no
answers
no
votes
2016-02-08 06:14:08 -0600
Saghir Khatri
basic OpenCV operations not working in beaglebone black
c++
opencv
beagleboneblack
402
views
no
answers
no
votes
2016-08-02 00:11:28 -0600
ChiaYu
Build Opencv 2.4.11 with Cuda 7.5 problem
c++
opencv
cuda7.5
cc
846
views
no
answers
no
votes
2020-06-08 10:18:49 -0600
richard__a
Help building openCV + contrib libraries using CMake visual studio 2019
cmake
contrib_error
build
visual
c++
anaconda
693
views
no
answers
no
votes
2018-01-26 08:19:01 -0600
vps
Reagarding Faster_RCNN model
faster_rcnn
opencv
c++
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×29
opencv
×16
opencl
×11
cmake
×3
visual
×3
cpp
×2
install
×2
Multithreading
×2
raspberrypi2
×2
studio
×2
anaconda
×1
android
×1
application
×1
arm
×1
arm64
×1
beagleboneblack
×1
build
×1
cascadeclassifier
×1
cc
×1
compilation
×1
contrib_error
×1
CUDA
×1
CUDA7.0
×1
cuda7.5
×1
cvtColor
×1
directx
×1
error
×1
faster_rcnn
×1
ipcam
×1
libraries
×1
Mat
×1
multi-thread
×1
odroid
×1
Opencv3.0
×1
opencv3.1.0
×1
opencv_contrib
×1
performance
×1
RaspberryPi
×1
segfault
×1
stitching
×1
switches
×1
tbb
×1
tracking
×1
ubuntuMate
×1
UMat
×1
VC12
×1
visualstudio
×1
webcam
×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
×