Surface profile tracing of a document
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United States of America Patent
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Aug 6, 2013
Grant Date -
Mar 29, 2007
app pub date -
Sep 28, 2005
filing date -
Sep 28, 2005
priority date (Note) -
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Abstract
A method for providing an indication of authenticity of an electronic image of a document comprises generating a signal corresponding to a profile of at least one of a number of surfaces of the document, converting the signal into a profile signature, and correlating the profile signature with the electronic image of the document. A method for authenticating an electronic image of a document comprises receiving the electronic image of the document and a profile tracing signature of a surface of the document that is associated with the electronic image, and comparing the profile tracing signature with an exemplar profile tracing signature associated with the document. A document processing system comprises a pickup, a signal processing circuit, and a scanning module and is used for producing a profile tracing signature and electronic image of a document and for correlating the profile tracing signature with the electronic image.
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