Systems And Methods Of Biometric Analysis To Determine A Live Subject
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Abstract
Exemplary embodiments are directed to biometric analysis systems generally including one or more illumination sources, a camera, and an analysis module. The illumination sources are configured to illuminate at least a portion of a face of a subject. The camera is configured to capture one or more images of the subject during illumination of the face of the subject. The analysis module is configured to analyze the one or more images captured by the camera to determine an indication of liveliness of the subject and prevent spoofing.
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Citations
121 Claims
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1-43. -43. (canceled)
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44. A biometric analysis system, comprising:
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a first illumination source configured to illuminate an iris of a subject; a second illumination source configured to emit a visible light to illuminate at least a portion of a face of the subject; one or more cameras configured to capture one or more images of the subject during illumination of the subject with the first illumination source and the second illumination source; and an analysis module configured to receive as input the one or more images, determine an iris texture based on the one or more images of the subject captured during illumination of the subject with the first illumination source, determine a color spectrum of the portion of the face of the subject based on the one or more images of the subject captured during illumination of the subject with the second illumination source, and determine whether the portion of the face of the subject in the one or more images of the subject captured during illumination of the subject with the second illumination source includes a monochrome section. - View Dependent Claims (45, 46, 47, 48, 49, 112, 113, 114, 115, 116)
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50. A method of biometric analysis, comprising:
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illuminating an iris of a subject with a first illumination source of a biometric analysis system; illuminating at least a portion of a face of the subject with a visible light emitted from a second illumination source of the biometric analysis system; capturing one or more images of the subject with one or more cameras of the biometric analysis system during illumination of the subject with the first illumination source and the second illumination source; receiving as input at an analysis module of the biometric analysis system the one or more images; determining an iris texture with the analysis module of the biometric analysis system based on the one or more images of the subject captured during illumination of the subject with the first illumination source; determining a color spectrum of the portion of the face of the subject with the analysis module of the biometric analysis system based on the one or more images of the subject captured during illumination of the subject with the second illumination source; and determining with the analysis module whether the portion of the face of the subject in the one or more images of the subject captured during illumination of the subject with the second illumination source includes a monochrome section. - View Dependent Claims (117, 118, 119, 120, 121)
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- 51. The method of claim 51, comprising simultaneously capturing with the one or more cameras the one or more images of the subject during illumination of the subject with the first illumination source and the second illumination source.
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53. A non-transitory computer-readable medium storing instructions for biometric analysis that are executable by a processing device, wherein execution of the instructions by the processing device causes the processing device to:
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illuminate an iris of a subject with a first illumination source of a biometric analysis system; illuminate at least a portion of a face of the subject with a visible light emitted from a second illumination source of the biometric analysis system; capture one or more images of the subject with one or more cameras of the biometric analysis system during illumination of the subject with the first illumination source and the second illumination source; receive as input at an analysis module of the biometric analysis system the one or more images; determine an iris texture with the analysis module of the biometric analysis system based on the one or more images of the subject captured during illumination of the subject with the first illumination source; determine a color spectrum of the portion of the face of the subject with the analysis module of the biometric analysis system based on the one or more images of the subject captured during illumination of the subject with the second illumination source; and determine with the analysis module whether the portion of the face of the subject in the one or more images of the subject captured during illumination of the subject with the second illumination source includes a monochrome section.
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54-111. -111. (canceled)
Specification