Fingerprint analyzing and encoding system
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United States of America Patent
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Dec 14, 1999
Issued Date -
N/A
app pub date -
Dec 6, 1995
filing date -
Oct 27, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for converting an image-enhanced digitized raster fingerprint image to vector lines in order to generate a unique identification value for the fingerprint. The raster image pixels are converted to vector lines along the fingerprint ridges and the vector lines are classified and converted according to type. The line types are then analyzed and a list of identification features corresponding to the vector line types is generated. The identification features between the vector line types are compared and the image is classified according to fingerprint class. A unique identification value is then generated by numerically encoding the classified identification features.
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