Mastering OpenCV 4 with Python

Installing dlib

Dlib (http://dlib.net/python/index.html) is a C++ software library that contains computer vision, machine learning, and deep learning algorithms. Dlib can also be used in your Python applications. In order to install dlib with the Python interface (https://pypi.org/project/dlib/), use the following command:

$ pip install dlib

Alternatively, if you want to compile dlib yourself, go into the dlib root folder and run the following command:

$ python setup.py install

Once that command has finished running, you are ready to use dlib from Python.

Note that you need to have both CMake and a C++ compiler installed for this to work properly. Also note that various optional features, such as GUI support (for example, dlib.image_window ...