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Turkish Journal of Electrical Engineering and Computer Sciences

DOI

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Abstract

In this paper, we present a simple and effective signature verification method that depends only on the raw binary pixel intensities and avoids using complex sets of features. The method looks at the signature verification problem as a graph matching problem. The method is tested using genuine and forgery signatures produced by five subjects. An equal error rate of 26.7% and 5.6% was achieved for skilled and random forgeries, respectively. A positive property of our algorithm is that the false acceptance rate of random forgeries vanishes at the point of equal false rejection and skilled forgery false acceptance rates. Keeping the normalization size at 32 x 64 pixels makes the verification time in the two seconds range.

Keywords

Offline Signature Verification, Graph Matching, Thinning, Normalization

First Page

89

Last Page

104

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