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Wavelab Toolbox >> Wavelab Toolbox > 2-d Wavelet- and Cosine- Packet Tools > BuildFBITree

BuildFBITree

Build the 2-d Basis Tree for fingerprint compression

Calling Sequence

btree = BuildFBITree(D);

Parameters

Inputs:

D :

maximum depth of splitting (>= 4)

Outputs:

btree:

basis-quadtree of the fingerprint basis

Description

The FBI uses a specific wavelet packet basis to compress fingerprints. BuildFBITree returns this basis.

Bibliography

IAFIS-IC-0110v2. "WSQ Gray-Scale Fingerprint Image Compression

Specification. Version 2," U.S. Dept. of Justice, Federal

Bureau of Investigation, 10 Feburary 1993.

Authors

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