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

GÜLER İ., Meghdadi M.

DIGITAL SIGNAL PROCESSING, cilt.18, sa.6, ss.940-950, 2008 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 18 Sayı: 6
  • Basım Tarihi: 2008
  • Doi Numarası: 10.1016/j.dsp.2008.06.005
  • Dergi Adı: DIGITAL SIGNAL PROCESSING
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.940-950
  • Anahtar Kelimeler: off-line handwritten signature verification, optimal DTW algorithm, pattern recognition, ONLINE, RECOGNITION
  • Gazi Üniversitesi Adresli: Evet

Özet

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. (c) 2008 Elsevier Inc. All rights reserved.