Standard calibration target for contactless fingerprint scanners

Standard calibration target for contactless fingerprint scanners

A contactless, three-dimensional fingerprint scanner apparatus, method, and system are described. The contactless fingerprint scanner can provide either, or both, topographical contrast of three-dimensional fingerprint features and optical contrast of a three-dimensional fingerprint surface. Data ca...

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Hauptverfasser: LIBERT JOHN M, ORANDI SHAHRAM, WU JIN CHU, BYERS FRED, HARVEY STEPHEN, WOOD STEPHEN S, GARRIS MICHAEL D
Format: Patent
Sprache:eng
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CALCULATING
COMPUTING
COUNTING
PHYSICS
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creator LIBERT JOHN M
ORANDI SHAHRAM
WU JIN CHU
BYERS FRED
HARVEY STEPHEN
WOOD STEPHEN S
GARRIS MICHAEL D
description A contactless, three-dimensional fingerprint scanner apparatus, method, and system are described. The contactless fingerprint scanner can provide either, or both, topographical contrast of three-dimensional fingerprint features and optical contrast of a three-dimensional fingerprint surface. Data captured from scanning of a target with known geometric features mimicking fingerprint features can be examined as images or surface plots and analyzed for fidelity against the known target feature specifications to evaluate or validate device capture performance as well as interoperability. The target can be used by scanner vendors and designers to validate their devices, as well as to perform type certification.
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subjects CALCULATING
COMPUTING
COUNTING
PHYSICS
title Standard calibration target for contactless fingerprint scanners
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