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James W. Pennebaker, Chair The University of Texas at Austin, SEA 4.212, Austin, TX 78712 • (512) 475-7596

Autofocus and the importance of 'defocusing'

Posted: January 23, 2012

Postdoctoral researcher Johannes Burge and his advisor, Dr. Wilson Geisler, director of the Center for Perceptual Systems, recently published research in the Proceedings of the National Academy of Sciences which describes how they were able to extract and use information in an individual image to determine how far objects are from the focus distance. The Guardian notes that the algorithm they have developed "looks set to revolutionise the way autofocus works, allowing for greater speed and accuracy in digital photography." more >

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