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
5k
views
no
answers
2
votes
2018-08-26 22:23:05 -0600
eatcosmos
Is findContours fast enough ?
opencl
opencv
gpu
findcountours
countour
extraction
2k
views
1
answer
1
vote
2012-09-28 06:25:59 -0600
mikegao88
Problem with using Qt Functions '"createButton" of OpenCV2
Opencv2.4.2
qt
ros-fuerte
3k
views
3
answers
1
vote
2013-06-28 14:26:01 -0600
sumit_K
compiling openCV 2.4.5 under VS 2012 x64
opencv-2.4.5
visual-studio-2012
windows7x64
cmake
1k
views
1
answer
1
vote
2017-04-19 06:07:20 -0600
Avio
How do I wrap the OpenCV InputArray class method getMat in C?
#opencv
#c++
#c
1k
views
1
answer
1
vote
2014-02-21 06:45:31 -0600
tuannhtn
Fastest method to process an image
performance
parallelization
464
views
1
answer
1
vote
2016-10-29 16:07:13 -0600
Tetragramm
Number of bins in CLAHE?
CLAHE
histogram
contrast
1k
views
1
answer
1
vote
2016-02-04 06:25:22 -0600
StevenPuttemans
detectMultiscale fails when weights are requested
detectMultiScale
bug
3.1.0
opencv-3.1.0
3k
views
2
answers
1
vote
2017-03-21 04:30:12 -0600
pvt.peter
Result of CLAHE is different on 8 and 16 bit
CLAHE
grayscale
16bit
3k
views
1
answer
1
vote
2015-08-02 03:13:54 -0600
shadowsheep
OpenCV 3.0 Vs OpenCV 2.4.9 + Sobel Performance
opencv_performance
performance
sobel
visual-studio-2013
opecv2.4.9
opencv3.0.0
1k
views
2
answers
1
vote
2012-10-31 03:50:23 -0600
AlexanderShishkov
Which version of OpenCV to use?
OpenCv2.4
opencv
1k
views
1
answer
1
vote
2013-08-12 07:14:55 -0600
AlexanderShishkov
how can use GPU for opencv in iOS?
gpu
opencv
ios
9k
views
1
answer
1
vote
2014-07-29 13:18:31 -0600
rwong
Are these functions accelerated by ARM NEON?
neon
1k
views
1
answer
1
vote
2016-02-02 14:00:23 -0600
--marc
OpenCV reference documentation integration for Qt Creator (.qch)
qt
documentation
268
views
2
answers
1
vote
2015-08-28 17:31:18 -0600
mshabunin
are there any *concise* build directions for windows
Opencv3.0
windows-7
build
947
views
1
answer
1
vote
2015-12-13 04:46:45 -0600
Denis Gottardello
[Solved] CascadeClassifier.detectMultiScale crash on Mac OSX
detectMultiScale
mac
9k
views
1
answer
1
vote
2016-10-05 08:29:38 -0600
kbarni
How opencv use openmp thread to get performance?
openmp
copencv
1k
views
1
answer
1
vote
2020-08-26 18:10:12 -0600
sturkmen
OpenCV modules 3rd-party dependencies
android
3rdparty
974
views
1
answer
1
vote
2020-12-05 05:14:19 -0600
Eduardo
historical performance test cast data in build pipeline?
performance
testing
build
pipeline
1k
views
1
answer
1
vote
2015-04-16 03:03:34 -0600
bruceyo
OpenCV 3.0 problems building dlls and libs
#opencv
#dlls
#libs
#visual-studio-2012
363
views
1
answer
1
vote
2016-11-30 06:16:02 -0600
strann
cv::merge execution time on CV_32S
merge
1k
views
1
answer
1
vote
2017-10-13 05:49:01 -0600
mshabunin
Is there an advantage to building opencv yourself?
build
5k
views
2
answers
1
vote
2020-12-12 00:13:23 -0600
jacubit
Opencv and OAK on Mac with new chip M1
oak
compatibility
hardware
CPU
mac
apple
676
views
1
answer
1
vote
2015-08-04 11:32:58 -0600
LBerger
Background Subtraction example
opencv
backgroundMOG2
2k
views
1
answer
1
vote
2012-10-02 15:47:54 -0600
karlphillip
Does OpenCV support PowerVR SGX540 GPU?
gpu
Pandaboard
arm
hardware
acceleration
916
views
1
answer
1
vote
2016-12-05 02:33:51 -0600
pi-null-mezon
Sequence of calls in the cv::gemm(...) function
GEMM
dnn
Speedup
379
views
1
answer
1
vote
2020-03-19 11:05:46 -0600
mvuori
malloc.h error when building in a freenas jail
freenas
FreeBSD
malloc
3k
views
1
answer
1
vote
2018-07-12 08:43:56 -0600
kishan patel
hdf5.h no such file or directory
opencv
2k
views
1
answer
1
vote
2013-08-07 18:03:17 -0600
garyp
Opencv java build error in Ubuntu 13.04
#opencv
#ubuntu13.04
#java
#opencv#java
2k
views
1
answer
1
vote
2018-02-26 07:18:46 -0600
mshabunin
DLIB hack - for improving face detection rate
Dlib
713
views
1
answer
1
vote
2018-04-10 05:27:52 -0600
LBerger
Stitching images with high resolution
stitcher
opencv
« previous
1
2
3
4
5
...
27
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×6
build
×3
gpu
×3
#opencv
×3
performance
×3
CLAHE
×2
detectMultiScale
×2
hardware
×2
mac
×2
qt
×2
16bit
×1
3.1.0
×1
3rdparty
×1
acceleration
×1
android
×1
apple
×1
arm
×1
backgroundMOG2
×1
bug
×1
#c
×1
#c++
×1
cmake
×1
compatibility
×1
contrast
×1
copencv
×1
countour
×1
CPU
×1
Dlib
×1
#dlls
×1
dnn
×1
documentation
×1
extraction
×1
findcountours
×1
FreeBSD
×1
freenas
×1
GEMM
×1
grayscale
×1
histogram
×1
ios
×1
#java
×1
#libs
×1
malloc
×1
merge
×1
neon
×1
oak
×1
opecv2.4.9
×1
opencl
×1
OpenCv2.4
×1
Opencv2.4.2
×1
opencv-2.4.5
×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
×