How Facial Recognition Works in Xbox Kinect

Microsoft’s $150 Xbox add-on, the Kinect, can use face-recognition technology to log you onto your Xbox Live account. But it’s not trouble-free.
To understand why, you need to know how it works.
Kinect effectively has two cameras: a traditional color video camera, which takes pictures and enables conference chat, and an infrared light sensor that measures depth, [...]

Source: http://www.wired.com/gadgetlab/2010/11/how-facial-recognition-works-in-xbox-kinect/

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