NDLI: Automatic seal verification by evaluating positive cost

Content Provider	IEEE Xplore Digital Library
Author	Horiuchi, T.
Copyright Year	2001
Description	Author affiliation: Fac. of Software & Inf. Sci., Iwate Prefectural Univ., Japan (Horiuchi, T.)
Abstract	Seals instead of signature for person identification are widely used in oriental countries. Several techniques for automatic verification of seal imprints have been proposed, but all of them have dealt with this problem as a general pattern matching problem. In other words, even if it exchanges an input pattern and a reference pattern, evaluated cost does not change. In this paper, it is shown that the seal verification should not be treated as a general pattern matching problem by clarifying a specific characteristic of this problem. Two kinds of costs, called the negative cost and the positive one, may be defined in the correlation with the input and the reference patterns. A genuine imprint may produce only the negative cost to the pattern, and a forgery one may produce both costs to the pattern. Therefore, correlation value should not be calculated by definition of usual correlation. Based on the specific characteristic, a new approach for seal verification is presented. Experiments using both binary reference images and 3D reference ones provide the verification ability for the approach proposed.
Sponsorship	IAPR
Starting Page	572
Ending Page	576
File Size	460941
Page Count	5
File Format	PDF
ISBN	0769512631
DOI	10.1109/ICDAR.2001.953854
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Seals Costs Forgery Pattern matching Information science Eyes Information management Inspection
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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