A different approach to off-line handwritten signature verification using the optimal dynamic time warping algorithm

  • Authors:
  • İnan Güler;Majid Meghdadi

  • Affiliations:
  • Department of Electronic and Computer Technology, Gazi University, 06500 Teknikokullar, Ankara, Turkey;Computer Department, Zanjan University, Zanjan, Iran

  • Venue:
  • Digital Signal Processing
  • Year:
  • 2008

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Abstract

In this paper, a method for the automatic handwritten signature verification (AHSV) is described. The method relies on global features that summarize different aspects of signature shape and dynamics of signature production. For designing the algorithm, we have tried to detect the signature without paying any attention to the thickness and size of it. The results have shown that the correctness of our algorithm detecting the signature is more acceptable. In this method, first the signature is pre-processed and the noise of sample signature is removed. Then, the signature is analyzed and specification of it is extracted and saved in a string for the comparison. At the end, using adapted version of the dynamic time warping algorithm, signature is classified as an original or a forgery one.