English
Related papers

Related papers: Offline Signature Verification Based on Feature Di…

200 papers

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

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

Signature verification is a critical task in many applications, including forensic science, legal judgments, and financial markets. However, current signature verification systems are often difficult to explain, which can limit their…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Moises Diaz , Miguel A. Ferrer , Gennaro Vessio

Handwriting signatures, as an important means of identity recognition, are widely used in multiple fields such as financial transactions, commercial contracts and personal affairs due to their legal effect and uniqueness. In forensic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Wanghui Xiao

Offline Handwritten Signature verification presents a challenging Pattern Recognition problem, where only knowledge of the positive class is available for training. While classifiers have access to a few genuine signatures for training,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Signature verification has been one of the major researched areas in the field of computer vision. Many financial and legal organizations use signature verification as access control and authentication. Signature images are not rich in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Anamika Jain , Satish Kumar Singh , Krishna Pratap Singh

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

A method for offline signature verification is presented in this paper. It is based on the segmentation of the signature skeleton (through standard image skeletonization) into unambiguous sequences of points, or unambiguously connected…

Computer Vision and Pattern Recognition · Computer Science 2017-11-09 Jugurta Montalvão , Luiz Miranda , Jânio Canuto

Although secular, handwritten signature is one of the most reliable biometric methods used by most countries. In the last ten years, the application of technology for verification of handwritten signatures has evolved strongly, including…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Celso A. M. Lopes Junior , Matheus Henrique M. da Silva , Byron Leite Dantas Bezerra , Bruno Jose Torres Fernandes , Donato Impedovo

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

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

Offline Signature Verification (OSV) is a challenging pattern recognition task, especially in presence of skilled forgeries that are not available during training. This study aims to tackle its challenges and meet the substantial need for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Saeed Masoudnia , Omid Mersa , Babak N. Araabi , Abdol-Hossein Vahabie , Mohammad Amin Sadeghi , Majid Nili Ahmadabadi

Usually, in a real-world scenario, few signature samples are available to train an automatic signature verification system (ASVS). However, such systems do indeed need a lot of signatures to achieve an acceptable performance. Neuromotor…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Teruo M. Maruyama , Luiz S. Oliveira , Alceu S. Britto , Robert Sabourin

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

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

In this paper, we propose a novel writer-independent global feature extraction framework for the task of automatic signature verification which aims to make robust systems for automatically distinguishing negative and positive samples. Our…

Neural and Evolutionary Computing · Computer Science 2020-06-30 Kian Ahrabian , Bagher Babaali

Online signature verification (OSV) is one of the most challenging tasks in writer identification and digital forensics. Owing to the large intra-individual variability, there is a critical requirement to accurately learn the intra-personal…

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

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

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

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