Image analysis – Applications – Reading paper currency
Reexamination Certificate
2007-07-03
2007-07-03
Johns, Andrew W. (Department: 2624)
Image analysis
Applications
Reading paper currency
C340S005860, C283S902000
Reexamination Certificate
active
11312247
ABSTRACT:
The present invention provides methods and systems that are helpful authentication of physical and electronic documents like financial documents and identification documents. Steganographic indicia plays a role in some of our implementations. In other implementations we bind design features to a user or to a document. In still other implementations we provide authentication methods to evaluate security documents.
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Alattar Adnan M.
Rhoads Geoffrey B.
Digimarc Corporation
Johns Andrew W.
LandOfFree
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