The Artificial Intelligence Action Summit kicks off Monday in Paris. It is used in facial recognition techniques. VIDEOGRAPHIC
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00:00Facial recognition is a biometric technology used to authenticate or identify an individual
00:14from a photograph or a facial image.
00:16The technique makes it possible to authenticate identity, to check that an individual is who
00:22he or she claims to be.
00:24The image is compared to an existing image in a database.
00:27A person can also be identified in a group, place, image or database.
00:33From a still or from video, software generates an image based on the face's unique traits.
00:39The base of the ears, the distance between the two pupils, the shape of the nose, eyebrows
00:45and mouth, and even skin grain.
00:48Hair and clothes are not taken into account.
00:52The next step is to compare the face print with images in the database.
00:57To reduce the margin of error, the quality of the image must be good.
01:00The face must be well lit, full face at a correct distance from the lens.
01:06Originally used to fight crime, facial recognition now has more mundane uses, such as accessing
01:12bank accounts and social media platforms.
01:15But there are worries it could also present a threat to privacy and individual liberties.
01:20Technology also raises questions about the use of databases.