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What is Photo Pattern Recognition (PPR)?
PPR is the ability to render a still photograph into an algorithm discernable identification symbol that then can be used for all of the cellphone applications that are being popularized in Japan and Korea to connect people, places, and things.
This method of taking a photo to create a unique symbology/identifier was first theorized in a paper introduced at an IEEE conference in 1996. The paper proposed that this “photo signature” approach would be best applied to the field of security identification and secure/restricted entry applications – but what do engineers know?
Microsoft Research has other ideas for this “photo signature” and is in an alpha test during development. This developmental program is called Lincoln and anyone can apply to be a part of the test.