1. <small id="jeg3a"><menu id="jeg3a"></menu></small>
      <mark id="jeg3a"></mark>
        <label id="jeg3a"></label>
      1. <tt id="jeg3a"><button id="jeg3a"></button></tt>
        <tt id="jeg3a"><ruby id="jeg3a"></ruby></tt>
          <small id="jeg3a"><strong id="jeg3a"></strong></small>
          <tt id="jeg3a"><ol id="jeg3a"><source id="jeg3a"></source></ol></tt>

          <listing id="jeg3a"></listing>

          <listing id="jeg3a"><cite id="jeg3a"></cite></listing>
          <label id="jeg3a"></label>
          Skip to main content
          U.S. flag

          An official website of the United States government

          Dot gov

          The .gov means it’s official.
          Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

          Https

          The site is secure.
          The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

          Biometric Special Databases and Software

          This is a listing of test data produced by the Image Group for use in evaluating automated OCR, fingerprint classification/matching, and face recognition systems.?

          ?

          Fingerprint

          Mugshots/Face

          OCR

          Fingerprint Databases

          • Special Database 301 - Nail to Nail (N2N) Fingerprint Challenge Dry Run.
          • Special Database 300 - Uncompressed Plain and Rolled Images from Fingerprint Cards.?
          • NBIS - NIST Biometric Image Software (which includes PCASYS and use to be named NFIS)
          • NFIS2 - NIST Fingerprint Image Software Version2.
            Included in?NBIS zipfile

          Mugshot/Face Databases

          OCR Databases

          ?

          Retired Databases?

          Fingerprint?

          • Special Database 4 - NIST 8-bit Gray Scale Images of Fingerprint Image Groups. ?This database has been discontinued and is no longer available.
          • Special Database 9 - NIST 8-bit Gray Scale Images of Mated Fingerprint Card Pairs.?This database has been discontinued and is no longer available.?
          • Special Database 10 - NIST Supplemental Fingerprint Card Data (SFCD) for NIST Special Database 9?with?include?rolled fingerprints and harder to find fingerprint classifications like arch, tented arch and low count loops.???This database has been discontinued and is no longer available.
          • Special Database 14 - NIST Mated Fingerprint Card Pairs 2.?
            ?Has 2,700 ten-print card pairs of rolled fingerprints (no plain impressions).??This database has been discontinued and is no longer available.
          • NIST Special Database 27?and 27A - Fingerprint minutiae from latent and matching tenprint images?This database has been discontinued and is no longer available.

          • Special Database 29 - Plain and Rolled Images from Paired Fingerprint Cards in 500 pixels per inch.??This database has been discontinued and is no longer available.
          • Special Database 30 -?Plain and Rolled Images from Paired Fingerprint Cards in 1000 pixels per inch.?This database has been discontinued and is no longer available.

          OCR

          Contacts

          Special Database contact

          Created May 10, 2010, Updated December 9, 2019
          秋霞理论在一l级