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Personal Identity Verification (PIV) IMAGE QUALITY SPECIFICATIONS FOR SINGLE FINGER CAPTURE DEVICES 1.0 SCOPE AND PURPOSE

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Abstract

These specifications apply to fingerprint capture devices which scan and capture at least a single fingerprint in digital, softcopy form. These specifications provide criteria for insuring that the image quality of such devices is sufficient for the intended applications; a primary application is to support subject authentication via one-to-one fingerprint matching in the United States government’s Personal Identity Verification program [PIV]. The fingerprint capture device must be capable of producing images which exhibit good geometric fidelity, sharpness, detail rendition, gray-level uniformity, and gray-level dynamic range, with low noise characteristics. The images must be true representations of the input fingerprints, without creating any significant artifacts, anomalies, false detail, or cosmetic image restoration effects. The fingerprint capture device is expected to generate good quality finger images for a very high percentage of the user population, across the full range of environmental variations seen in the intended applications. 2.0 REQUIREMENTS The image quality requirements have associated test procedures which are described elsewhere [TestPro]. These test procedures will be used by the FBI for certification of these devices; the

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.188.8760
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