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17:40 19 December 2006
NewScientist.com news service
A search engine that uses sophisticated facial recognition to allow users to identify and find people in online images will launch next month. But civil liberties groups say the biometric-style tool could compromise the privacy of anyone who has their picture online.
Search engine Polar Rose reconstructs the 3D shape of a person's face and then combines that with characteristics of their features to generate a unique "face print". This can then be used to search other photos for a match.