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18th International Conference on Pattern Recognition (ICPR'06) Volume 2
Spectrum Analysis Based onWindows with Variable Widths for Online Signature Verification
Hong Kong
August 20-August 24
ISBN: 0-7695-2521-0
Zhong-hua Quan, University of Science and Technology of China.
De-shuang Huang, Hefei Institute of Intelligent Machines, CAS.
Xiao-lei Xia, Hefei Institute of Intelligent Machines, CAS.
Michael R. Lyu, Chinese University of Hong Kong
Tat-Ming Lok, Chinese University of Hong Kong
In this paper, an online signature verification scheme based on spectrum analysis and Mahalanobis decision is proposed. We firstly divided signatures to a number of frames with variable widths according to the characteristics of the time sequences, and then employed the Fast Fourier transformation(FFT) to extract the spectrum of signatures. The distance between the Fourier coefficient within the corresponding frames is computed, and the Mahalanobis decision making is employed. Experimentation demonstrates that spectrum analysis based on windows with variable widths is effective for online signature signals.
Citation:
Zhong-hua Quan, De-shuang Huang, Xiao-lei Xia, Michael R. Lyu, Tat-Ming Lok, "Spectrum Analysis Based onWindows with Variable Widths for Online Signature Verification," icpr, vol. 2, pp.1122-1125, 18th International Conference on Pattern Recognition (ICPR'06) Volume 2, 2006
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