METHOD AND SYSTEM FOR DETECTION OF WEIGHTED CONTACT LENSES IMPRINTED WITH IRIS IMAGES

METHOD AND SYSTEM FOR DETECTION OF WEIGHTED CONTACT LENSES IMPRINTED WITH IRIS IMAGES

Disclosed herein are methods, apparatus, and systems for iris recognition. A method for weighted spoof contact lens detection includes requesting a subject to roll or tilt head when needing access via an iris recognition device, acquiring, by the iris recognition device, iris images of a rolled head...

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1. Verfasser: Ackerman, David Alan
Format: Patent
Sprache:eng
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CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator Ackerman, David Alan
description Disclosed herein are methods, apparatus, and systems for iris recognition. A method for weighted spoof contact lens detection includes requesting a subject to roll or tilt head when needing access via an iris recognition device, acquiring, by the iris recognition device, iris images of a rolled head, establishing, by the iris recognition device, a horizontal axis by connecting pupils in an iris image, matching, by the iris recognition device, at least one iris in the iris image to an enrolled iris, determining, by the iris recognition device, whether the horizontal axis is within a rotational variance of an enrolled horizontal axis associated with the enrolled iris, and rejecting, by the iris recognition device, access for the subject when the horizontal axis is greater than the rotational variance of an enrolled horizontal axis.
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subjects CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title METHOD AND SYSTEM FOR DETECTION OF WEIGHTED CONTACT LENSES IMPRINTED WITH IRIS IMAGES
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