3D Research

, 9:48 | Cite as

Offline Handwritten Signature Verification Using Cylindrical Shape Context

  • Pradeep N. NarwadeEmail author
  • Rajendra R. Sawant
  • Sanjiv V. Bonde
3DR Express
Part of the following topical collections:
  1. Object detection and Recognition


Offline handwritten signatures is a convincing evidence form of biometrics for verification. However, the verification of offline handwritten signatures is challenging task because of the variations in handwritten signatures. To address this difficulty, this paper proposes a new approach to represent the shape. In this newly proposed approach, the signature pixels are represented by: (1) Gaussian Weighting Based Tangent Angle, to represent the curve angle at the reference pixel; (2) a new shape descriptor, i.e. cylindrical shape context is proposed for a detailed and accurate description of the curve at corresponding pixel. Experimental results show that desired pixel matching results are obtained by using cylindrical shape context which automatically increases the accuracy of verification of offline handwritten signatures. The shape dissimilarity measures are computed and given to the Support Vector Machine with Radial Basis Function (RBF) kernel for classification of signature. The results obtained using GPDS synthetic signature database, UTSig persian offline signature database, and MCYT-75 offline signature database shows the effectiveness of proposed cylindrical shape context.


Offline signature verification Cylindrical shape context Shape descriptor Biometrics Shape matching Shape dissimilarity measures 


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Copyright information

© 3D Research Center, Kwangwoon University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Pradeep N. Narwade
    • 1
    Email author
  • Rajendra R. Sawant
    • 2
  • Sanjiv V. Bonde
    • 1
  1. 1.Department of Electronics and TelecommunicationS.G.G.S.I.E & T.NandedIndia
  2. 2.Research and Development, Inventronics Pvt. LtdMumbaiIndia

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