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

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.

Citation Download Citation

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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