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HOW DOES FACIAL RECOGNITION TECHNOLOGY WORK?

Hawk

14 December 2018

HOW DOES FACIAL RECOGNITION TECHNOLOGY WORK?

Facial recognition software works by matching real time images to a previous photograph of a person.

Each face has approximately 80 unique nodal points across the eyes, nose, cheeky and mouth which distinguish one person from another.

A digital video camera measures the distance between various points on the human face, such as the width of the nose, depth of the eye sockets, distance between the eyes and shape of the jawline.

This produces a unique numerical code that can then be linked with a matching code gleaned from a previous photograph.

A facial recognition system used by officials in China connects to millions of CCTV cameras and uses artificial intelligence to pick out targets.

Experts believe that facial recognition technology will soon overtake fingerprint technology as the most effective way to identify people.

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