Updated 17 Feb The advantage of NIST files is the ability to contain multiple images and other types of data about the person in one single file, which simplifies biometric data exchange between participating parties. As for example: one WSQ file contains only one fingerprint image, but one NIST file contains inside many fingerprint images and also other information. Only steps and several lines of code are needed. Cognaxon Software Retrieved June 5,
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Federal government websites often end in. The site is secure. It was a minutiae-based standard. Revisions to the standard were made in , , , and Updates to the standard are designed to be backward compatible, with new versions including additional biometric modalities and associated data. All of these versions use "Traditional" encoding. In , XML encoding of the standard was introduced, based upon the version. The and versions of the standard were designed to be the same except for the encoding.
In , a minor supplement to the and versions was approved that extended the codes for friction ridge images to include multiple finger capture. In November, a new version of the standard was approved. This version is focused on the content of the transmission, with encoding rules handled as annexes. The version of the standard also includes additional modalities DNA and plantar as well as the extended feature set EFS for Type-9 record; forensic image markups for face and iris; new metadata fields such as geoposition of sample collection; biometric data hashing; an information assurance record; associated context record; original source record and data handling logs; images of all body parts in the Type record and more.
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ANSI/NIST-ITL Standard History