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Related papers: UTSig: A Persian Offline Signature Dataset

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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

Offline Signature Verification (OSV) is a challenging pattern recognition task, especially when it is expected to generalize well on the skilled forgeries that are not available during the training. Its challenges also include small…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Omid Mersa , Farhood Etaati , Saeed Masoudnia , Babak N. Araabi

Handwriting analysis is still an important application in machine learning. A basic requirement for any handwriting recognition application is the availability of comprehensive datasets. Standard labelled datasets play a significant role in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Pourya Jafarzadeh , Padideh Choobdar , Vahid Mohammadi Safarzadeh

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

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

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

Sign language recognition is a challenging problem where signs are identified by simultaneous local and global articulations of multiple sources, i.e. hand shape and orientation, hand movements, body posture, and facial expressions. Solving…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Ozge Mercanoglu Sincan , Hacer Yalim Keles

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

Online signature verification technologies, such as those available in banks and post offices, rely on dedicated digital devices such as tablets or smart pens to capture, analyze and verify signatures. In this paper, we suggest a novel…

Cryptography and Security · Computer Science 2016-12-20 Ben Nassi , Alona Levy , Yuval Elovici , Erez Shmueli

Within the field of image and video recognition, the traditional approach is a dataset split into fixed training and test partitions. However, the labelling of the training set is time-consuming, especially as datasets grow in size and…

Computer Vision and Pattern Recognition · Computer Science 2016-12-08 Andrew Gilbert , Richard Bowden

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

A major impediment to researchers working in the area of fingerprint recognition is the lack of publicly available, large-scale, fingerprint datasets. The publicly available datasets that do exist contain very few identities and impressions…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Joshua J. Engelsma , Steven A. Grosz , Anil K. Jain

This paper presents an accurate method for verifying online signatures. The main difficulty of signature verification come from: (1) Lacking enough training samples (2) The methods must be spatial change invariant. To deal with these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Mohammad Hajizadeh Saffar , Mohsen Fayyaz , Mohammad Sabokrou , Mahmood Fathy

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

Signature verification, as a crucial practical documentation analysis task, has been continuously studied by researchers in machine learning and pattern recognition fields. In specific scenarios like confirming financial documents and legal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Xiaotong Ji , Yan Zheng , Daiki Suehiro , Seiichi Uchida

Persian names present unique challenges for natural language processing applications, particularly in gender detection and digital identity creation, due to transliteration inconsistencies and cultural-specific naming patterns. Existing…

Machine Learning · Computer Science 2025-09-16 Farbod Bijary , Mohsen Ebadpour , Amirhosein Tajbakhsh

Sign language recognition involves modeling complex multichannel information, such as hand shapes and movements while relying on sufficient sign language-specific data. However, sign languages are often under-resourced, posing a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hossein Ranjbar , Alireza Taheri

Handwritten signature verification, crucial for legal and financial institutions, faces challenges including inter-writer similarity, intra-writer variations, and limited signature samples. To address these, we introduce the MultiScale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Fu-Hsien Huang , Hsin-Min Lu

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. The objective of signature verification systems is to discriminate if a given signature is genuine…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Although online handwriting verification has made great progress recently, the verification performances are still far behind the real usage owing to the small scale of the datasets as well as the limited biometric mediums. Therefore, this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Peirong Zhang , Jiajia Jiang , Yuliang Liu , Lianwen Jin
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