Standard Reference Data, NIST:
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NIST Special Database 4
NIST 8-Bit Gray Scale Images of Fingerprint Image Groups(FIGS)
The NIST database of fingerprint images contains 2000 8-bit gray scale fingerprint image pairs. Each image is 512-by-512 pixels with 32 rows of white space at the bottom and classified using one of the five following classes:
The database is evenly distributed over each of the five classifications with 400 fingerprint pairs from each class.
NIST Special Database 4 has the following features:
System Requirements: software to open zip file and extract database and software to view PNG formatted images.The size of the zip file 7895 MB with the extracted database being 807 MB.
For more information on Special Database 4 please contact:
The scientific contact for this database is:
Keywords: Arch, classification, fingerprint, grayscale, left loop, matching, NIST, pairs, right loop, software recognition, tented arch, whorl.