Method and apparatus for identifying an imaging device

  • US 7,616,237 B2
  • Filed: 05/19/2006
  • Issued: 11/10/2009
  • Est. Priority Date: 12/16/2005
  • Status: Active Grant
First Claim
Patent Images

1. A non-intrusive method for determining whether digital images are derived from the same electronic imager, comprising the steps of analyzing at least two-electronic images to determine whether an intrinsic imager noise pattern represented therein is consistent with an intrinsic imager noise pattern attributable to a common imager for the at least two digital images, and outputting an indicia of that determined consistency.

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