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81 questions
Tagged
688
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
798
views
no
answers
no
votes
2020-08-04 04:03:50 -0600
boaz001
Memory leak in RGB2Lab
RGB2Lab
memoryleak
1k
views
1
answer
1
vote
2020-07-17 14:53:12 -0600
George Profenza
How to use OpenCV 4 in Java on Raspberry PI (armv6 and armv7 Raspian)?
java
arm
jni
898
views
1
answer
no
votes
2020-06-18 08:37:22 -0600
gus
Compilation errors with g++-8 for OpenCV 4.3.0 with opencv_contrib (xfeatures2d namespace conflict)
compilation-error
g++
opencv_contrib4.3.0
opencv
opencv4.3.0
xfeatures2d
666
views
1
answer
no
votes
2020-05-22 05:22:40 -0600
cudawarped
error buiding cudaoptflow/samples/optical_flow.cpp on current master branch for opencv AND contrib
opencv4
opencv_contrib
CUDA
make
cudaoptflow
1k
views
1
answer
no
votes
2020-03-17 15:01:25 -0600
DrThrax
Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F
java
opencv
BRISQUE
5k
views
no
answers
no
votes
2020-03-01 14:03:15 -0600
LBerger
CvCapture_MSMF::initStream Failed to set mediaType after switching to CUDA build of OpenCV
windows
CUDA
compile
videocapture
c++
msmf
2k
views
1
answer
2
votes
2019-11-02 17:24:36 -0600
Gilad Darmon
How to install opencv 4.1 using CMake and Visual Studio 2013?
c++
opencv4
visual-studio-2013
657
views
no
answers
no
votes
2019-09-17 16:51:51 -0600
Tina J
OpenCV 4: 'CAP_PROP_POS_FRAMES' was not declared in this scope
CAP_PROP_FPS
CAP_PROP_POS_FRAMES
840
views
2
answers
no
votes
2019-09-03 06:42:38 -0600
supra56
Hi I'm using this code in pycharm and I have this error.please help me
python
2k
views
1
answer
no
votes
2019-08-06 02:54:14 -0600
Carlo R.
OpenCV build for Mac Catalyst/iOS 13 iOS app on Mac support?
mac
catalyst
ios
opencv
build
compile
326
views
no
answers
no
votes
2019-07-30 22:16:13 -0600
Srikanth
Trouble building opencv4.1.1 on RHEL 6
RHEL6
linux
4.1.1
build
6k
views
3
answers
3
votes
2019-06-21 07:27:47 -0600
Shmuel Fine
How to build OpenCV for Android using Visual Studio?
android
visualstudio
163
views
no
answers
no
votes
2019-03-21 09:25:31 -0600
Mboaretto
OpenCv static build freezes while open by two applications windows 10
python
opencv
opencl
windows
Windows10
freeze
1k
views
1
answer
no
votes
2019-01-23 05:05:02 -0600
JohnnyWang
How to fix the issue about cvCreateCameraCapture
android
opencv
ffmpeg
763
views
no
answers
no
votes
2018-12-14 02:39:20 -0600
SpeedEC
getting error when run mingw32-make: cap_dshow.cpp file error
CAP_DSHOW
mingw32-make
867
views
no
answers
no
votes
2018-12-07 07:38:47 -0600
Théo31
GPU slower than CPU with Mali G72
opencl
mali
G72
Hikey970
833
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
1k
views
1
answer
no
votes
2018-11-27 04:32:53 -0600
Simontraww
Opencv (3.2.0) Compile Android with NEON provide a lot of errors (3.4.4 works only for compiling)
android
ndk
arm-neon
compile
studio
1k
views
no
answers
no
votes
2018-11-15 07:32:37 -0600
berak
Camera is not recognized
camara
tracking
1k
views
no
answers
no
votes
2018-10-17 06:10:40 -0600
theCorvoX3N
Failed to make OpenCV on Rasp Pi 3
RaspberryPi3#OpenCV
6k
views
2
answers
no
votes
2018-10-01 20:44:44 -0600
fifo_thekdi
Error using cmake on Windows with Visual Studio 2017 and OpenCV 3.4.3
cmake
4k
views
1
answer
1
vote
2018-09-04 09:11:41 -0600
danieltak
Build OpenCV and PCL with Cmake
cmake-gui
PCL
msvc
5k
views
1
answer
no
votes
2018-08-18 20:25:36 -0600
Pehr
Installation Problem: "can't find dependent libraries"
java
intelij
unsatisfiedlinkerror
2k
views
no
answers
no
votes
2018-06-22 00:07:13 -0600
Dyex719
Check if opencv is using the GPU enabled FFMPEG
ffmpeg
opencv
c++
build
3k
views
no
answers
no
votes
2018-06-19 02:44:37 -0600
berak
Compiling OpenCV with ffmpeg GPU support
build
699
views
no
answers
no
votes
2018-05-12 15:42:28 -0600
Faraday
Help loading and testing a trained svm [closed]
SVM
CvSVM
HOG
OpenCvjava
819
views
no
answers
no
votes
2018-04-16 09:18:31 -0600
berak
OpenCV build error
mingw32-make
1k
views
no
answers
no
votes
2018-04-13 10:59:56 -0600
Stefan Koenig
UMat multithreading issues when using producer-consumer pattern
UMat
Multithreading
multi-thread
gpu
414
views
no
answers
1
vote
2018-02-24 10:19:40 -0600
krishnapra
Objects detected as multiple dots while using custom tensorflow model in OpenCV dnn [closed]
dnn
tensorflow
opencv_dnn
issue
1
2
3
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