MULTIBIOMETRIC MULTISPECTRAL IMAGER
First Claim
Patent Images
1. A method of performing a biometric function, the method comprising:
- illuminating a skin site of an individual;
receiving light scattered from the skin site under multispectral conditions, the light including light scattered from tissue beneath a surface of the skin site;
deriving a plurality of biometric modalities from the received light;
fusing the plurality of biometric modalities into a combined biometric modality; and
analyzing the combined biometric modality to perform the biometric function.
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Abstract
A skin site of an individual is illuminated and light scattered from the skin site under multispectral conditions is received. The light includes light scattered from tissue beneath a surface of the skin site. Multiple biometric modalities are derived from the received light. The biometric modalities are fused into a combined biometric modality that is analyzed to perform a biometric function.
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Citations
26 Claims
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1. A method of performing a biometric function, the method comprising:
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illuminating a skin site of an individual; receiving light scattered from the skin site under multispectral conditions, the light including light scattered from tissue beneath a surface of the skin site; deriving a plurality of biometric modalities from the received light; fusing the plurality of biometric modalities into a combined biometric modality; and analyzing the combined biometric modality to perform the biometric function. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A biometric sensor comprising:
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an illumination subsystem disposed to illuminate a skin site of an individual; a detection subsystem disposed to receive light scattered from the skin site under multispectral conditions, the light including light scattered from tissue beneath a surface of the skin site; and a computational unit interfaced with the detection subsystem and having; instructions for deriving a plurality of biometric modalities from the received light; instructions for fusing the plurality of biometric modalities into a combined biometric modality; and instructions for analyzing the combined biometric modality to perform a biometric function. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification