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The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. In offline (static) signature verification, the dynamic information of the signature writing process is…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

This paper deals with offline handwriting signature verification.We propose a planar neuronal model of signature image. Planarmodelsare generally based on delimiting homogenous zones ofimages; we propose in this paper an automatic…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Imen Abroug Ben Abdelghani , Najwa Essoukri Ben Amara

It is at times important to detect human presence automatically in secure environments. This needs a shape recognition algorithm that is robust, fast and has low error rates. The algorithm needs to process camera images quickly to detect…

Computer Vision and Pattern Recognition · Computer Science 2015-06-30 Dhriti Sengupta , Merina Kundu , Jayati Ghosh Dastidar

Handwritten Signature Verification (HSV) systems distinguish between genuine and forged signatures. Traditional HSV development involves a static batch configuration, constraining the system's ability to model signatures to the limited data…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Kecia G. de Moura , Rafael M. O. Cruz , Robert Sabourin

This paper proposes a multi-section vector quantization approach for on-line signature recognition. We have used the MCYT database, which consists of 330 users and 25 skilled forgeries per person performed by 5 different impostors. This…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Juan-Manuel Pascual-Gaspar , Marcos Faundez-Zanuy , Carlos Vivaracho

Online Signature Verification commonly relies on function-based features, such as time-sampled horizontal and vertical coordinates, as well as the pressure exerted by the writer, obtained through a digitizer. Although inferring additional…

Robotics · Computer Science 2025-03-19 Moises Diaz , Miguel A. Ferrer , Juan M. Gil , Rafael Rodriguez , Peirong Zhang , Lianwen Jin

The skeleton is an essential shape characteristic providing a compact representation of the studied shape. Its computation on the image grid raises many issues. Due to the effects of discretization, the required properties of the skeleton -…

Computer Vision and Pattern Recognition · Computer Science 2014-06-03 Aurélie Leborgne , Julien Mille , Laure Tougne

In automatic signature verification, questioned specimens are usually compared with reference signatures. In writer-dependent schemes, a number of reference signatures are required to build up the individual signer model while a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Moises Diaz , Miguel A. Ferrer , Soodamani Ramalingam , Richard Guest

Online Signature Verification (OSV) is a widely used biometric attribute for user behavioral characteristic verification in digital forensics. In this manuscript, owing to large intra-individual variability, a novel method for OSV based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Chandra Sekhar , Prerana Mukherjee , D. S. Guru , Viswanath Pulabaigari

Biometrics systems have been used in a wide range of applications and have improved people authentication. Signature verification is one of the most common biometric methods with techniques that employ various specifications of a signature.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Mohsen Fayyaz , Mohammad Hajizadeh_Saffar , Mohammad Sabokrou , Mahmood Fathy

Skeleton-based action recognition attracts practitioners and researchers due to the lightweight, compact nature of datasets. Compared with RGB-video-based action recognition, skeleton-based action recognition is a safer way to protect the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Saemi Moon , Myeonghyeon Kim , Zhenyue Qin , Yang Liu , Dongwoo Kim

In this paper we simulate a real biometric verification system based on on-line signatures. For this purpose we have split the MCYT signature database in three subsets: one for classifier training, another for system adjustment and a third…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Joan Fabregas , Marcos Faundez-Zanuy

This paper describes the method to recognize offline handwritten characters. A robust algorithm for handwriting segmentation is described here with the help of which individual characters can be segmented from a selected word from a…

Computer Vision and Pattern Recognition · Computer Science 2015-07-21 Jayati Ghosh Dastidar , Surabhi Sarkar , Rick Punyadyuti Sinha , Kasturi Basu

We present an approach to random access that is based on three elements: physical-layer network coding, signature codes and tree splitting. Upon occurrence of a collision, physical-layer network coding enables the receiver to decode the sum…

Information Theory · Computer Science 2014-09-25 Jasper Goseling , Cedomir Stefanovic , Petar Popovski

Recent advances in tracking sensors and pose estimation software enable smart systems to use trajectories of skeleton joint locations for supervised learning. We study the problem of accurately recognizing sign language words, which is key…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Joachim Gudmundsson , Martin P. Seybold , John Pfeifer

In this paper, we propose a novel set of features for offline writer identification based on the path signature approach, which provides a principled way to express information contained in a path. By extracting local pathlets from…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Songxuan Lai , Lianwen Jin

Online signature parameters, which are based on human characteristics, broaden the applicability of an automatic signature verifier. Although kinematic and dynamic features have previously been suggested, accurately measuring features such…

On-line signature verification for Tablet PC devices is studied. The on-line signature verification algorithm presented by the authors at the First International Signature Verification Competition (SVC 2004) is adapted to work in Tablet PC…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Fernando Alonso-Fernandez , Julian Fierrez-Aguilar , Francisco del-Valle , Javier Ortega-Garcia

Verifying the identity of a person using handwritten signatures is challenging in the presence of skilled forgeries, where a forger has access to a person's signature and deliberately attempt to imitate it. In offline (static) signature…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Signature verification is an authentication technique that considers handwritten signature as a biometric. From a biometric perspective this project made use of automatic means through an integration of intelligent algorithms to perform…

Signal Processing · Electrical Eng. & Systems 2018-07-30 Rozita Teymourzadeh , Martin kizito , Kok Wai Chan , Mok Vee Hoong