Patent Number: 7,043,052

Title: Digital authentication with analog documents

Abstract: Security of photographic identification documents is enhanced by embedding within the photographic image encoded information that may be correlated to other information pertaining to the individual represented by the image, such other information being, for example, printed on the document adjacent to the photograph.

Inventors: Rhoads; Geoffrey B. (West Linn, OR)

Assignee: Digimarc Corporation

International Classification: H04K 1/00 (20060101)

Expiration Date: 5/09/02018