FBI wavelet/scalar quantization standard for gray-scale fingerprint image compression

Jonathan N. Bradley; Christopher M. Brislawn; Thomas Hopper

doi:10.1117/12.150973

27 August 1993 FBI wavelet/scalar quantization standard for gray-scale fingerprint image compression

Jonathan N. Bradley, Christopher M. Brislawn, Thomas Hopper

Author Affiliations +

Proceedings Volume 1961, Visual Information Processing II; (1993) https://doi.org/10.1117/12.150973
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The FBI has recently adopted a standard for the compression of digitized 8-bit gray-scale fingerprint images. The standard is based on scalar quantization of a 64-subband discrete wavelet transform decomposition of the images, followed by Huffman coding. Novel features of the algorithm include the use of symmetric boundary conditions for transforming finite- length signals and a subband decomposition tailored for fingerprint images scanned at 500 dpi. The standard is intended for use in conjunction with ANSI/NBS-CLS 1-1993, American National Standard Data Format for the Interchange of Fingerprint Information, and the FBI's Integrated Automated Fingerprint Identification System.

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Jonathan N. Bradley, Christopher M. Brislawn, and Thomas Hopper "FBI wavelet/scalar quantization standard for gray-scale fingerprint image compression", Proc. SPIE 1961, Visual Information Processing II, (27 August 1993); https://doi.org/10.1117/12.150973

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