9IDENTIFYING FRIEND OR FOE
Face detection is a machine learning technology that locates human faces in digital images. It’s the first step in the process of face recognition, a technique for identifying individual faces using code. Face detection and recognition methods have broad applications, such as tagging photographs on social media, autofocusing digital cameras, unlocking cell phones, finding missing children, tracking terrorists, facilitating secure payments, and more.
In this chapter, you’ll use machine learning algorithms in OpenCV to program a robot sentry gun. Because you’ll be distinguishing between humans and otherworldly mutants, ...
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