Facial detection is a rapidly growing field of study in technology today. The ability for a computer program to be able to detect faces in an image is interesting and creates many useful scenarios. Furthermore, facial recognition, or the ability for a computer program to associate a face with a specific person has even more value. 4D currently does not have any native way of implementing face detection and recognition. Fortunately, many third party open source software makes it readily available.

This technical note demonstrates implementing using Python’s OpenCV library within 4D to perform facial detection and recognition. It provides a demo database containing images of recent Presidents and attempts to predict the correct president given an image of one. This technical note assumes the reader has some basic knowledge of Python.

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