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Method and system for biometric image assembly from multiple partial biometric frame scans

  • US 7,751,595 B2
  • Filed: 02/16/2007
  • Issued: 07/06/2010
  • Est. Priority Date: 07/12/2001
  • Status: Active Grant
First Claim
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1. A method for generating a composite biometric image from a plurality of acquired frames, the method comprising:

  • using a sensor to acquire a new frame of a portion of a biometric; and

    using a processor forcomparing the acquired new frame with at least one earlier acquired frame by performing normalized cross-correlation to determine if any registration alignment exists therebetween,augmenting the at least one earlier acquired frame with the acquired new frame if any registration alignment is determined to exist therebetween, andrepeating the acquiring, comparing, and augmenting until the composite biometric has been generated.

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