Watch How the iPhone X's 30K IR Sensors Scan Your Face

Face ID is one of the big selling points of the iPhone X, and the reception has been fairly positive so far. It's pretty impressive to watch the iPhone X magically unlock just by looking at it, but it's even more impressive to see how Face ID works its magic. Apple gave us a digital rendering of Face ID's invisible actions back when the iPhone X was announced; In their video, Apple demonstrated how the TrueDepth camera looks for a face, then the dot projector shines 30,000 infrared (IR) lights to scan and form a depth map of the face with the camera, creating a 2D infrared image as well in... more

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