Standard Reference Data, NIST:
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NIST Special Database 9
NIST 8-Bit Gray Images of Mated Fingerprint Card Pairs (MFCP)Volumes
A sample of the data contained in this database is available in zip file sd09_sample.zip
The NIST database of mated fingerprint card pairs consists of ten volumes.
Each volume contains 540 mated card pairs of segmented 8-bit gray scale fingerprint images (5,400 fingerprint image pairs).
Each segmented image is 832 by 768 pixels and classified using the National Crime Information Center (NCIC) classes given by the FBI. The images are in PNG image format.
NIST Special Database 9 has the following features:
·5400 mated card pairs of segmented 8-bit gray scale fingerprint images
·NCIC classifications given by the FBI
·Cards selected randomly thus approximating a natural horizontal slice of the NCIC classifications
·Scanned at 19.7 pixels per mm
Suitable for automated fingerprint classification research, the database can be used for algorithm development and system training and testing.
The database is a valuable tool for evaluating fingerprint systems using a statistical sample of fingerprints which approximate a natural horizontal slice of the NCIC classifications.
For more information on Special Database 9 please contact:
The scientific contact for this database is:
Keywords: Card pairs, classification, fingerprint, matching, NCIC classes, NIST.