ON-LINE SIGNATURE VERIFICATION BASED ON LOGARITHMIC SPECTRUM

In this paper, an on-line signature verification scheme based on similarity measurement of logarithmic spectrum is proposed. The principal components of the logarithmic spectrum of each signature are extracted. We then compute the similarity of logarithmic spectrum between input signature and the re...

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Bibliographic Details
Published in:Pattern recognition 1998-12, Vol.31 (12), p.1865-1871
Main Authors: WU, QUEN-ZONG, LEE, SUH-YIN, JOU, I-CHANG
Format: Article
Language:English
Subjects:
Algorithmics. Computability. Computer arithmetics
Applied sciences
Artificial intelligence
Computer science
control theory
systems
Exact sciences and technology
Logarithmic spectrum
Pattern recognition. Digital image processing. Computational geometry
Principal component
Scatter matrix
Signature verification
Similarity measurement
Theoretical computing
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Summary:In this paper, an on-line signature verification scheme based on similarity measurement of logarithmic spectrum is proposed. The principal components of the logarithmic spectrum of each signature are extracted. We then compute the similarity of logarithmic spectrum between input signature and the reference template. By comparing the similarity of logarithmic spectrum with the verification threshold, we can determine the authenticity of the input signature. Based on the experimentation, the rates of false rejection errors and false acceptance errors are as low as 1.4 and 2.8%, respectively. This demonstrates the effectiveness of the proposed scheme.
ISSN:0031-3203
1873-5142
DOI:10.1016/S0031-3203(98)00058-2