How Facial Recognition Uses Super-Simple Patterns To Understand Your Expression

How Facial Recognition Uses Super-Simple Patterns To Understand Your Expression

Video: Facial recognition systems use all kinds of clever software to work out who you are and even how you’re feeling. But in this video explainer, Dr Michel Valstar explains how a simple piece on analysis known as a Local Binary Pattern can help detect your expression.

This kind of facial recognition is all about edges: the subtle lines and dimples on your face that indicate the nuanced expressions that you can make. He explains how Local Binary Patterns can be used to detect those edges and in turn analyse your expression. It’s interesting stuff — and also kind of amusing when he poses to demonstrate the phenomena he’s referring to.

[Computerphile]


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