Online Signature Verification Using Fourier Descriptors

  title={Online Signature Verification Using Fourier Descriptors},
  author={Berrin A. Yanikoglu and Alisher Kholmatov},
  journal={EURASIP J. Adv. Sig. Proc.},
We present a novel online signature verification system based on the Fast Fourier Transform. The advantage of using the Fourier domain is the ability to compactly represent an online signature using a fixed number of coefficients. The fixed-length representation leads to fast matching algorithms and is essential in certain applications. The challenge on the other hand is to find the right preprocessing steps and matching algorithm for this representation. We report on the effectiveness of the… CONTINUE READING
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Key Quantitative Results

  • The best results obtained on the SUSIG-Visual subcorpus and the MCYT-100 database are 6.2% and 12.1% error rate on skilled forgeries, respectively. The fusion of the proposed system with our state-of-the-art Dynamic Time Warping (DTW) system lowers the error rate of the DTW system by up to about 25%.


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