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 ▼
54 questions
Tagged
c++
×
2k
views
2
answers
2
votes
2016-03-17 16:47:08 -0600
kbarni
Parallel implementation of per pixel calculations
tapi
iterator
c++
opencv
gpu
opencl
5k
views
no
answers
1
vote
2018-11-15 04:05:58 -0600
Zari
Build OpenCV with OpenCL support
c++
compilation
cmake
opencl
492
views
1
answer
no
votes
2016-04-10 10:48:34 -0600
LBerger
VideoWriter depthMap
c++
opencv
201
views
1
answer
no
votes
2017-02-15 14:42:54 -0600
LBerger
low time performance on Ubuntu 14
c++
ubuntu
opencv
693
views
no
answers
no
votes
2018-01-26 08:19:01 -0600
vps
Reagarding Faster_RCNN model
faster_rcnn
opencv
c++
539
views
1
answer
no
votes
2015-12-01 19:32:34 -0600
pradeep_kb
cvCaptureFromCAM(x) returning NULL, tried with X = 0,1, 2.. on raspberry pi2
camera
cvCaptureFromCAM
c++
raspberrypi2
1k
views
1
answer
no
votes
2018-06-13 04:27:44 -0600
AlexLopez
YOLO v2 outputs zero scores and classes
yolo
c++
opencv
dnn
2k
views
1
answer
no
votes
2019-04-15 04:26:48 -0600
StevenPuttemans
OpenCV Yolo Tiny Slow
opencv
yolo
c++
tiny
objectdetection
camera
2k
views
1
answer
no
votes
2017-01-26 13:30:54 -0600
LBerger
Why is the first openCV API call so slow?
performance
profiling
threshold
c++
opencv
1k
views
1
answer
no
votes
2016-05-26 23:44:51 -0600
JMorgie
matchTemplate c++ exception first time only
c++
matchTemplate
1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600
HYPEREGO
How to use multiprocessing with OpenCV-C++ ?
opencv
c++
multiprocessing
949
views
1
answer
no
votes
2019-01-18 08:43:34 -0600
berak
SVM on CUDA
CUDA
c++
opencv
gpu
SVM
346
views
1
answer
no
votes
2016-01-18 19:08:38 -0600
phirestalker
copy row from one Mat to another (is it safe to pad descriptors with 0s)
opencv3.1
c++
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
640
views
no
answers
no
votes
2018-09-25 13:11:28 -0600
yancey
dnn efficiency of mobilenet-ssd [closed]
dnn
MobileNetSSDCaffe
c++
speed
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
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
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++
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
509
views
no
answers
no
votes
2016-08-19 12:02:38 -0600
LBerger
Problem with OcrTesseract class. [closed]
c++
opencv
tesseract
opencvcontrib
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
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
541
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
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
330
views
1
answer
no
votes
2019-03-23 11:35:16 -0600
berak
Got a problem when compiling contrib/xphoto with code blocks mingw files
c++
opencv
windows
codeblocks
363
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
1
2
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×30
opencv
×18
cmake
×3
install
×3
camera
×2
CUDA
×2
dnn
×2
gpu
×2
Multithreading
×2
opencl
×2
raspberrypi2
×2
yolo
×2
3.2.0
×1
aarch64
×1
anaconda
×1
android
×1
application
×1
arm64
×1
beagleboneblack
×1
build
×1
cc
×1
codeblocks
×1
compilation
×1
compilation-error
×1
compile
×1
contrib_error
×1
cpp
×1
CUDA10.2
×1
CUDA5.5
×1
CUDA7.0
×1
cuda7.5
×1
cvCaptureFromCAM
×1
cvtColor
×1
error
×1
faster_rcnn
×1
icc
×1
ipcam
×1
iterator
×1
libraries
×1
matchTemplate
×1
MobileNetSSDCaffe
×1
multiprocessing
×1
objectdetection
×1
opencv3.1
×1
opencvcontrib
×1
opencv_contrib
×1
performance
×1
profiling
×1
RaspberryPi
×1
segfault
×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
×
