Method and apparatus for checking a person's identity, where a system of coordinates, constant to the fingerprint, is the reference
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United States of America Patent
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N/A
Issued Date -
Sep 9, 2004
app pub date -
Dec 22, 2003
filing date -
Jul 5, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to methods and apparatuses used for checking a person's identity by means of specific features, so-called minutiae points. The invention is based on the idea of using a fingerprint-constant reference coordinate system so as to make it possible to compare the absolute coordinates for one feature at a time when checking the person's identity. The location of the fingerprint-constant reference coordinate system is determined by means of alignment information which may consist of, for instance, alignment features and one or more partial areas of an image of a reference fingerprint.
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