Установите OpenCV Python
pip install opencv-python
pip install opencv-contrib-python
Grieving Goose
pip install opencv-python
pip install opencv-contrib-python#Basic package
pip install opencv-python
#Full package
pip install opencv-contrib-pythontoGray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)sudo apt-get install libopencv-dev # ubuntu c++
download required packages from below link:
https://docs.opencv.org/4.0.1/d7/d9f/tutorial_linux_install.html
NOTE: you can download required packages by "sudo apt-get install <packages>" or
download source code by git using above link
tags: ubuntu, c++, opencv 4 version