Python-OpenCV development environment construction tutorial (mac version)

1. OpenCV development tool installation

1.1 pip install --upgrade setuptools

(python configuration tool)

1.2 pip install numpy

(math library in python)

1.3 pip install matplotlib

(similar to matlab's drawing tool)

1.4 pip install opencv-python

2. OpenCV test case

imread can only read absolute paths. If you want to read relative paths, use the method shown in the above figure, "./numpy.jpg";
imread cannot read Chinese paths, otherwise an error will be reported.