Image analysis – Pattern recognition – Template matching
Patent
1996-11-26
1999-09-28
Boudreau, Leo H.
Image analysis
Pattern recognition
Template matching
382100, 382190, 382209, G06K 968, G06K 900
Patent
active
059601124
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.
REFERENCES:
patent: 3968475 (1976-07-01), McMahon
patent: 4155072 (1979-05-01), Kawa
patent: 4288779 (1981-09-01), Otsu et al.
patent: 4461028 (1984-07-01), Okubo
patent: 4464786 (1984-08-01), Nishito et al.
patent: 5265174 (1993-11-01), Nakatsuka
patent: 5392367 (1995-02-01), Hsu et al.
patent: 5621810 (1997-04-01), Suzuki et al.
patent: 5636291 (1997-06-01), Bellegarda et al.
Huang Chung-Ming
Lin Wen-Han
Boudreau Leo H.
Mehta Bhavesh
Wen-Hsing HSU
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