Apple insider has a great article outlining the patent Apple owns for object recognition focusing and face detection metering.
“Apple’s U.S. Patent No. 8,233,789 for “Dynamic exposure metering based on face detection” describes a system and method of automatically changing a digital camera’s exposure settings based on a subject’s face while U.S. Patent No. 8,233,078 for “Auto focus speed enhancement using object recognition and resolution” uses similar object-detection software to hasten focus speed.”
Read More Here: Apple Insider
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