Top "Opencv4" questions

Use this tag only for questions that are specific to version 4 of OpenCV, for general questions use the [opencv] tag.

How to install OpenCV on arch linux

I have tried installing opencv on arch using the aur package. It has successfully installed but when I try to …

python opencv installation archlinux opencv4
How to fix "fatal error: opencv2/core.hpp: No such file or directory" for opencv4 installed in manjaro

Essentially, I've been able to install openCV fine for python but I also want to be able to do it …

c++ header-files include-path manjaro opencv4
fatal error: opencv2/opencv_modules.hpp: No such file or directory #include "opencv2/opencv_modules.hpp"

Hello all I am trying to use opencv-c++ API (version 4.4.0) which I have built from source. It is installed in /…

c++ opencv opencv4
Use GPU with opencv-python

I'm trying to use opencv-python with GPU on windows 10. I installed opencv-contrib-python using pip and it's v4.4.0.42, I also have …

python python-3.x tensorflow opencv opencv4
fatal error: opencv2/core.hpp: No such file or directory compilation terminated in opencv4

In opencv4 while compiling code, I am getting this error: fatal error: opencv2/core.hpp: No such file or directory …

c++ linux opencv4
OpenCV4 error: ‘CV_CAP_PROP_FRAME_WIDTH’ was not declared in this scope

I recently migrated from OpenCV3.3 to the latest version OpenCV4 on my Ubuntu 18.04 LTS. I have some persistent issues with …

opencv opencv4 highgui
List available cameras OpenCV/Python

I have multiple webcams connected to my PC and I would like to select one camera based on its info (…

python opencv python-3.7 opencv4