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In this paper, we explore the intra-session variability based on the Dynamic Time Warping distance between two online signatures. Both signatures were performed by the same user during the same day with a short timeslot between both signatures and were acquired with a digitizing tablet. Experimental results have been obtained with two different databases BiosecurID and Tecnocampus-Fatigue. Experimental results reveal some significant differences when the signatures have not been normalized.

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On the Intra-Session Variability in Online Signatures

  • 章节

  • 发表日期：

    2025年

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  • Marcos Faundez-Zanuy,
  • Jiri Mekyska,
  • Manuel-Vicente Garnacho-Castaño,
  • Pilar Sanz-Cartagena

摘要

In this paper, we explore the intra-session variability based on the Dynamic Time Warping distance between two online signatures. Both signatures were performed by the same user during the same day with a short timeslot between both signatures and were acquired with a digitizing tablet. Experimental results have been obtained with two different databases BiosecurID and Tecnocampus-Fatigue. Experimental results reveal some significant differences when the signatures have not been normalized.