Systems and methods for spectral authentication of a feature of a document
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United States of America Patent
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Jun 9, 2015
Grant Date -
Feb 6, 2014
app pub date -
Jul 31, 2012
filing date -
Jul 31, 2012
priority date (Note) -
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Abstract
Systems and methods for authenticating a document are provided. In one embodiment, a method for authenticating a feature of a document includes capturing a first image of a region of a document while the region is subjected to a first wavelength of electromagnetic radiation. The region includes at least a portion of the document. The method also includes determining a first intensity value associated with the first image of the region, and comparing the first intensity value with a first training intensity value of a region of a training document. The first training intensity value is obtained using the first wavelength of electromagnetic radiation. The method also includes determining whether the document is authentic at least partially based on the comparison between the first intensity value and the first training intensity value.
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