Pattern collation device and pattern collating method...

Image analysis – Applications – Personnel identification

Reexamination Certificate

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C382S125000, C382S209000, C382S278000, C382S282000

Reexamination Certificate

active

07027624

ABSTRACT:
A pattern collation device for comparing and collating graphic forms includes a deformation estimating unit for estimating deformation generated in a graphic form to be examined which is a graphic form as an object of examination based on information about a feature point indicative of features in each of the graphic form to be examined in question and a model graphic form as a graphic form based on which comparison is made, a deformation correcting unit for correcting the graphic form to be examined in question based on information about the deformation estimated by the deformation estimating unit and a similarity determining unit for comparing the graphic form to be examined whose deformation is corrected by the deformation correcting unit with the model graphic form as a graphic form based on which comparison is made to calculate similarity therebetween.

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Andrew W. Senior, et al.; “Improved Fingerprint Matching by Distortion Removal”; IEICE Transactions on Information and Systems; Institute of Electronics Information and Comm. Eng.; Tokyo, JP; vol. E84-D, No. 7; Jul. 2001; pp. 825-832.

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