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Related papers: Offline Handwriting Signature Verification: A Tran…

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Research on offline signature verification has explored a large variety of methods on multiple signature datasets, which are collected under controlled conditions. However, these datasets may not fully reflect the characteristics of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Deniz Engin , Alperen Kantarcı , Seçil Arslan , Hazım Kemal Ekenel

Graphs provide a powerful representation formalism that offers great promise to benefit tasks like handwritten signature verification. While most state-of-the-art approaches to signature verification rely on fixed-size representations,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Paul Maergner , Nicholas R. Howe , Kaspar Riesen , Rolf Ingold , Andreas Fischer

Offline signature verification is one of the most challenging tasks in biometrics and document forensics. Unlike other verification problems, it needs to model minute but critical details between genuine and forged signatures, because a…

Computer Vision and Pattern Recognition · Computer Science 2017-10-03 Sounak Dey , Anjan Dutta , J. Ignacio Toledo , Suman K. Ghosh , Josep Llados , Umapada Pal

The application of mobile biometrics as a user-friendly authentication method has increased in the last years. Recent studies have proposed novel behavioral biometric recognition systems based on Transformers, which currently outperform the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Pietro Melzi , Ruben Tolosana , Ruben Vera-Rodriguez , Paula Delgado-Santos , Giuseppe Stragapede , Julian Fierrez , Javier Ortega-Garcia

Offline Signature Verification (OSV) remains a challenging pattern recognition task, especially in the presence of skilled forgeries that are not available during the training. This challenge is aggravated when there are small labeled…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Taraneh Younesian , Saeed Masoudnia , Reshad Hosseini , Babak N. Araabi

Biometric authentication by means of handwritten signatures is a challenging pattern recognition task, which aims to infer a writer model from only a handful of genuine signatures. In order to make it more difficult for a forger to attack…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Paul Maergner , Vinaychandran Pondenkandath , Michele Alberti , Marcus Liwicki , Kaspar Riesen , Rolf Ingold , Andreas Fischer

Automated signature verification is a critical biometric technique used in banking, identity authentication, and legal documentation. Despite the notable progress achieved by deep learning methods, most approaches in offline signature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Matheus Ramos Parracho

A genuine signer's signature is naturally unstable even at short time-intervals whereas, expert forgers always try to perfectly mimic a genuine signer's signature. This presents a challenge which puts a genuine signer at risk of being…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Paul Brimoh , Chollette C. Olisah

Writer independent offline signature verification is one of the most challenging tasks in pattern recognition as there is often a scarcity of training data. To handle such data scarcity problem, in this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Siladittya Manna , Soumitri Chattopadhyay , Saumik Bhattacharya , Umapada Pal

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

In this work, a feature extraction method for offline signature verification is presented that harnesses the power of sparse representation in order to deliver state-of-the-art verification performance in several signature datasets like…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Elias N. Zois , Dimitrios Tsourounis , Ilias Theodorakopoulos , Anastasios Kesidis , George Economou

In this paper, we propose a novel approach for verification of on-line signatures based on user dependent feature selection and symbolic representation. Unlike other signature verification methods, which work with same features for all…

Computer Vision and Pattern Recognition · Computer Science 2016-12-01 D. S. Guru , K. S. Manjunatha , S. Manjunath

This paper uses Support Vector Machines (SVM) to fuse multiple classifiers for an offline signature system. From the signature images, global and local features are extracted and the signatures are verified with the help of Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2010-02-04 Dakshina Ranjan Kisku , Phalguni Gupta , Jamuna Kanta Sing

Biometric signature verification has been traditionally performed in pen-based office-like scenarios using devices specifically designed for acquiring handwriting. However, the high deployment of devices such as smartphones and tablets has…

Human-Computer Interaction · Computer Science 2020-02-04 Ruben Tolosana , Ruben Vera-Rodriguez , Richard Guest , Julian Fierrez , Javier Ortega-Garcia

This paper introduces a novel approach to leverage the knowledge of existing expert models for training new Convolutional Neural Networks, on domains where task-specific data are limited or unavailable. The presented scheme is applied in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Dimitrios Tsourounis , Ilias Theodorakopoulos , Elias N. Zois , George Economou

The use of features extracted using a deep convolutional neural network (CNN) combined with a writer-dependent (WD) SVM classifier resulted in significant improvement in performance of handwritten signature verification (HSV) when compared…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Victor L. F. Souza , Adriano L. I. Oliveira , Robert Sabourin

Offline Signature Verification (OSV) is a fundamental biometric task across various forensic, commercial and legal applications. The underlying task at hand is to carefully model fine-grained features of the signatures to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Soumitri Chattopadhyay , Siladittya Manna , Saumik Bhattacharya , Umapada Pal

Signature used as a biometric is implemented in various systems as well as every signature signed by each person is distinct at the same time. So, it is very important to have a computerized signature verification system. In offline…

Artificial Intelligence · Computer Science 2011-03-08 Minal Tomar , Pratibha Singh

Handwriting movements can be leveraged as a unique form of behavioral biometrics, to verify whether a real user is operating a device or application. This task can be framed as a reverse Turing test in which a computer has to detect if an…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Luis A. Leiva , Moises Diaz , Nuwan T. Attygalle , Miguel A. Ferrer , Rejean Plamondon

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