Cognitive Daily ran an experiment to find out how good people were at recognizing famous faces and other things in extremely low-resolution photos.
The results were rather impressive, even with only a few sparse pixels' worth of information. Researches found that people can recognize faces using just 12 × 14 pixels' worth of information. So they decide to go back and see if that number could be further reduced.
So how'd they do? Find out here: scienceblogs.com/cognitivedaily/2007/03/casual_fridays_we_can_identify.php
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