Face ID ex­plained

T3 - - Gadget Guru -

Ap­ple’s face-read­ing tech in­cludes a pro­jec­tor that beams out 30,000 in­vis­i­ble dots onto your mug, map­ping it in 3D, which the cam­era can then read. This means a photo won’t work, and Ap­ple even had film SFX ex­perts copy peo­ple’s faces in 3D, but it wasn’t fooled by that, ei­ther. You set it up once with a thor­ough scan of your face, and it ac­tu­ally then learns about small changes to your look over time, so if you lose weight, it’s not con­fused. It can work around glasses and two- day-hang­over stub­ble too, thanks to ma­chine learn­ing smarts and the A11 Bionic chip. And your face data is stored only on the phone, en­crypted, and never sent to Ap­ple.

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