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3.4.1 Source images

NIST PIV and digital identity SP 800-76-1
All changes in this version
first version loaded 3 Fingerprint enrollment part of 3.4

Title

Source images

Control

Two [MINUSTD] fingerprint templates shall be stored on the PIV Card; these are hereafter referred to as PIV Card templates. These shall be prepared from images of the primary and secondary fingers (as specified in [FIPS]). These images shall be those obtained by segmenting the plain impressions of the full set of fingerprints captured during PIV Registration and stored in row 8 of Table 2. Significant rotation of the multi-finger plain impressions (for example, that which can occur when four fingers are imaged using a narrow platen) shall be removed prior to, or as part of, the generation of the mandatory minutiae templates. The rotation angle shall be that which makes the inter-phalangeal creases approximately horizontal or, equivalently, the inter-finger spaces approximately vertical. This requirement supports interoperable fingerprint matching.