Method and device for the automatic matching of seal prints
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United States of America Patent
Stats
-
Sep 28, 1999
Grant Date -
N/A
app pub date -
Nov 26, 1996
filing date -
Nov 26, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and a device for the automatic matching of seal prints including a first memory to store reference seal prints, an input device to obtain the image of a test seal print, a second memory to store the test seal print, an image structure similarity calculation device to calculate the similarity in the structure of the image of the reference seal print and the test seal print, a line distribution similarity calculation device to calculate the similarity in the distribution of the lines in the reference seal print and the test seal print, an incompleteness calculation device to calculate the incompleteness of the image of the reference seal print and the test seal print, and a determination device to determine whether the two seal prints are from the same source according to a pre-determined threshold.
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