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 ▲
486 questions
Tagged
1k
views
1
answer
no
votes
2015-09-16 05:18:02 -0600
mshabunin
OpenCV on Raspberry Pi2 Using 25% CPU
raspberrypi2
Python2
6k
views
2
answers
no
votes
2015-12-20 08:38:00 -0600
Controls Weenie
Does OpenCV functions really use OpenMP
openmp
ubuntu
linux
opencv
2k
views
1
answer
no
votes
2016-08-09 08:33:13 -0600
mshabunin
OpenCV multi-threading frames on Android
opencl
Multithreading
jni
android
opencv
1k
views
1
answer
no
votes
2017-01-07 09:32:28 -0600
berak
Matrix multiplication without memory allocation
multiplication
matrixmultiplication
1k
views
1
answer
no
votes
2017-04-16 17:46:42 -0600
berak
Error Installing on Windows 10 with cmake
windows
install
cmake
6k
views
3
answers
no
votes
2018-05-25 14:52:18 -0600
BViktor
How to run the UINT8 DNN face detector example?
dnn
Facedetection
3.4.1
tensorflow
deeplearning
8k
views
3
answers
no
votes
2019-07-22 03:16:06 -0600
Reino
Make error __atomic_fetch_add_8 on RaspberryPi4
raspberrypi4
build
error
630
views
1
answer
no
votes
2019-09-13 04:27:40 -0600
kbarni
Working on GPU in a generic way
gpu
430
views
1
answer
no
votes
2013-06-19 17:10:03 -0600
SR
Pre-built Windows 7 binaries
pre-built-dll
windows7x64
363
views
1
answer
no
votes
2015-05-13 03:24:29 -0600
Gino Strato
Does opencv_traincascades give consistent results over time?
opencv_traincascade
1k
views
1
answer
no
votes
2013-11-19 18:07:12 -0600
Jose Gómez
I can not run the Java using Opencv on Linux, 64bit
opencv
linux
64bit
java
602
views
1
answer
no
votes
2014-02-14 13:38:09 -0600
tuannhtn
Poor OpenCL performance
opencl
2k
views
2
answers
no
votes
2016-03-10 04:03:53 -0600
tuannhtn
Is there any way to decrease CPU usage of feature detector?
c++
DenseFeatureDetector
1k
views
1
answer
no
votes
2017-09-30 08:13:51 -0600
tham
OpenCv Android only native
android
ndk
build
5k
views
1
answer
no
votes
2020-01-06 06:52:43 -0600
cudawarped
openCV 4.2 with CUDA 10.2
CUDA10.2
opencv4.2
777
views
1
answer
no
votes
2017-01-22 07:14:39 -0600
LBerger
Surface_Matching Error Stack around the variable"hashKey"
opencv
surface_matching
317
views
1
answer
no
votes
2017-11-06 07:26:49 -0600
kbarni
parallel_for_
opencv
c++
1k
views
1
answer
no
votes
2012-11-18 07:57:33 -0600
Mostafa Sataki
multithreaded cascade classifire
cascadeclassifier
Multithreading
622
views
1
answer
no
votes
2017-08-29 03:49:25 -0600
kbarni
Apply quadratic function to an image
imagetransformation
matrix
quadratic
717
views
1
answer
no
votes
2018-04-24 01:05:57 -0600
berak
is cv::Mat ref counter atomic?
Multithreading
refcount
762
views
1
answer
no
votes
2017-09-13 14:58:21 -0600
LBerger
surface_matching code stuck on training
surface_matching
opencv3.3.0
visual-studio-2017
Windows-10
410
views
2
answers
no
votes
2019-01-13 12:14:08 -0600
cudawarped
about the error in 'debayer.cu'
opencv
build
CUDA
817
views
1
answer
no
votes
2019-06-24 22:51:28 -0600
kesselstein
34 Failed Test in OpenCV 4.1.0's core test
opencv_test_core
opencv-4.1.0
24k
views
1
answer
no
votes
2018-06-19 19:45:29 -0600
MenukaIshan
Uninstalling Opencv 4.0.0 to 3.4
opencv
ubuntu
3.4
3.4.1
1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600
HYPEREGO
How to use multiprocessing with OpenCV-C++ ?
opencv
c++
multiprocessing
20k
views
1
answer
no
votes
2016-06-27 11:22:51 -0600
SumeetB
OpenCV C++ Multithreading
c++opencv
10k
views
1
answer
no
votes
2018-02-26 03:15:18 -0600
cudawarped
How do you build OpenCV with LAPACK on Windows 10 via CMake?
opencv
LAPACK
4k
views
2
answers
no
votes
2014-01-13 23:23:02 -0600
kaushal
How do I get Prosilica / Allied Vision Camera (PVAPI) working with OpenCV 2.4?
prosilica
allied
manta
g032c
pvapi
wrapper
670
views
1
answer
no
votes
2012-08-14 09:51:25 -0600
powlee
VideoCapture stops replay at approx 1 GB in Win 7
videocapture
2k
views
1
answer
no
votes
2013-01-05 03:27:03 -0600
Alexander Smorkalov
Error building OpenCV 2.4.x "Undefined reference to av_opt_set@LIBAVUTIL_51"
libavutil
undefined
reference
build
error
« previous
1
2
3
4
5
...
17
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×9
build
×4
c++
×3
Multithreading
×3
3.4.1
×2
android
×2
error
×2
linux
×2
opencl
×2
surface_matching
×2
ubuntu
×2
3.4
×1
64bit
×1
allied
×1
cascadeclassifier
×1
cmake
×1
c++opencv
×1
CUDA
×1
CUDA10.2
×1
deeplearning
×1
DenseFeatureDetector
×1
dnn
×1
Facedetection
×1
g032c
×1
gpu
×1
imagetransformation
×1
install
×1
java
×1
jni
×1
LAPACK
×1
libavutil
×1
manta
×1
matrix
×1
matrixmultiplication
×1
multiplication
×1
multiprocessing
×1
ndk
×1
opencv3.3.0
×1
opencv-4.1.0
×1
opencv4.2
×1
opencv_test_core
×1
opencv_traincascade
×1
openmp
×1
pre-built-dll
×1
prosilica
×1
pvapi
×1
quadratic
×1
raspberrypi2
×1
raspberrypi4
×1
refcount
×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
×