See the file readme.txt for unpacking instructions and a detailed description of the supported architectures.

WSQ codec with FBI Encoder 2, compliant to IAFIS-IC-0110(V3.1), 4 Oct 2010

"The FBI has certified that these implementations meet the accuracy requirements in the Wavelet Scalar Quantization (WSQ) Gray-Scale Fingerprint Image Compression Specification, Version 3.1."

• Sf=55302, for Red Hat Enterprise Linux WS 3.2.3-56 on Intel Xeon
• Sf=55303, for Microsoft Windows 2000 on Intel Xeon

WSQ codec with FBI Encoder 1, compliant to IAFIS-IC-0110v2, 16 Feb 1993

The following archives are packaged with the Unix `tar' utility followed by GNU `gzip' redundancy removal:

• Sf=55284, for DEC alpha (92133 bytes)
• Sf=55288, for SUN sparc (87849 bytes)
• Sf=55289, for Silicon Graphics (84514 bytes)
• Sf=55290, for Pentium Linux (81598 bytes)
• Sf=55291, for SUN UltraSparc (106382 bytes)
• Sf=55292, for NeXT m68040 (86469 bytes)

The following archives are packaged with the `PKZIP' utility. They are command-line programs for the MS-DOS shell running under Win32.

• Sf=55293, for Intel p5, Win95 (92516 bytes)
• Sf=55294, for Intel P-II, Win98 (92518 bytes)

The following archives are packaged with the Unix `zip' utility:

• Sf=55297, for PowerPC G4, MacOS X 10.3.9 (92652 bytes)
• Sf=55298, for Intel Pentium 4, Red Hat Linux 3.2.3-56 (70143 bytes)

Example thumbprint image files

• Original (RAW format, WxH=589x605) (356345 bytes), NIST compliance test suite image "cmp_imgs/cmp00001.raw".
• Original (PGM format) (356360 bytes), NIST compliance test suite v2.0 image "encode/cmp00001.pgm".
• Compressed (WSQ format) (88818 bytes), NIST compliance test suite file "cmp_imgs/225/cmp00001.wsq".
• Uncompressed (TIF format) (356507 bytes), renamed output "cmp00001.tif" of IWSQ.