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574 questions
Tagged
4k
views
2
answers
no
votes
2020-11-14 12:52:52 -0600
Eduardo
At my Wit's End with OpenCV Build from Source, Please Help.
build_opencv_python
448
views
1
answer
no
votes
2020-11-14 05:38:21 -0600
sturkmen
opencv3.3.1 with jdk 1.8 FaceDetect error
java
Facedetection
604
views
no
answers
no
votes
2020-11-13 16:08:18 -0600
Kafan
Can not build single dynamic library (libopencv_java4.so) for Android
mac
build
android
3k
views
3
answers
no
votes
2020-10-22 00:55:25 -0600
sohamgandhi
VideoCapture device on Android
#android
#videocapture
#c++
#native
#camera
#videofile
847
views
no
answers
no
votes
2020-10-21 06:32:50 -0600
sbofirov
Cannot reproduce same build
remap
compile
build
optimization
326
views
no
answers
no
votes
2020-10-16 18:23:37 -0600
EmmanuelMess
Build statically, missing cv::countNonZero(cv::_InputArray const&)
android
687
views
no
answers
no
votes
2020-09-11 09:23:10 -0600
berak
Why VideoCapture fails to open Aravis Camera?
CaptureVideo
opencv
camera
808
views
no
answers
no
votes
2020-08-19 02:25:23 -0600
dustsigns
Fundamental matrix and epipolar lines from known camera parameters
Stereovision
epipolar-geometry
c++
4.4.0
482
views
1
answer
-1
votes
2020-08-18 11:09:13 -0600
berak
Self contained (no root/sudo access) java build for RHEL, OEL 6.10
self_contained
linux
no_root_access
no_sudo
opencv_java
6k
views
1
answer
1
vote
2020-08-14 03:55:15 -0600
supra56
pip install opencv-python failing on raspberry pi zero w
RaspberryPi
python
install
797
views
no
answers
no
votes
2020-08-04 04:03:50 -0600
boaz001
Memory leak in RGB2Lab
RGB2Lab
memoryleak
783
views
1
answer
no
votes
2020-07-27 09:25:05 -0600
berak
Help updating 10 lines of deprecated OpenCV code in C++ [closed]
c++#opencv
c++
496
views
no
answers
no
votes
2020-07-23 08:54:58 -0600
Xerror
how to use pyopencv_to function
c++
opencv
CUDA
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
3k
views
1
answer
-1
votes
2020-07-11 08:15:46 -0600
berak
how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'
java
opencv
4k
views
2
answers
no
votes
2020-07-08 23:40:07 -0600
sturkmen
What does the history of this function “createBackgroundSubtractorMOG2” means?
python
opencv
363
views
no
answers
no
votes
2020-06-30 03:43:58 -0600
DanielTan
Using OpenCV on MbedOS
embedded
mbed-os
opencv4.3.0
arm64
966
views
1
answer
no
votes
2020-06-29 01:24:54 -0600
berak
lheibph = LBPHFaceRecognizer.create();
face
java
257
views
no
answers
no
votes
2020-06-23 04:03:37 -0600
guteksan
Problematic installation of license files
debian
cmake
opencv-3.4.1.
opencv-3.4.10
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
664
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
2k
views
1
answer
no
votes
2020-04-29 07:03:17 -0600
supra56
CMake static link ffmpeg for build shared libraries
cmake
ffmpeg
783
views
1
answer
no
votes
2020-04-28 10:35:54 -0600
berak
order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3
order
of
shared
libraries
Linking
1k
views
1
answer
no
votes
2020-04-16 23:53:46 -0600
zelda
opencv 4.3 compiling problems on windows
opencv
678
views
no
answers
no
votes
2020-04-06 09:51:17 -0600
GRASBOCK
CMake links dynamically even though its supposed to link statically [cross compilation Linux -> Windows]
c++#opencv#mingw
1k
views
1
answer
no
votes
2020-03-25 21:29:04 -0600
AaronB
How to get static libs for installed modules?
build
install
modules
static
libraries
static_libs
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
727
views
no
answers
no
votes
2020-03-19 14:28:12 -0600
jonmoore
Undeclared identifier '_SC_NPROCESSORS_ONLN'
freenas
FreeBSD
make
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
681
views
1
answer
no
votes
2020-03-13 05:27:47 -0600
berak
How to compile Opencv 3.4.1 program in VS 2019 with Opencv 4.1.1?
c++
opencv
1
2
3
4
5
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