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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…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Omid Mersa , Farhood Etaati , Saeed Masoudnia , Babak N. Araabi

The pivotal role of datasets in signature verification systems motivates researchers to collect signature samples. Distinct characteristics of Persian signature demands for richer and culture-dependent offline signature datasets. This paper…

计算机视觉与模式识别 · 计算机科学 2016-08-15 Amir Soleimani , Kazim Fouladi , Babak N. Araabi

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…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Soumitri Chattopadhyay , Siladittya Manna , Saumik Bhattacharya , Umapada Pal

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…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Saeed Masoudnia , Omid Mersa , Babak N. Araabi , Abdol-Hossein Vahabie , Mohammad Amin Sadeghi , Majid Nili Ahmadabadi

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…

计算机视觉与模式识别 · 计算机科学 2010-03-31 Dakshina Ranjan Kisku , Phalguni Gupta , Jamuna Kanta Sing

Handwritten signature verification poses a formidable challenge in biometrics and document authenticity. The objective is to ascertain the authenticity of a provided handwritten signature, distinguishing between genuine and forged ones.…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Fatih Ozyurt , Jafar Majidpour , Tarik A. Rashid , Canan Koc

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…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Kecia G. de Moura , Rafael M. O. Cruz , Robert Sabourin

Online signature verification (OSV) requires distinguishing skilled forgeries from genuine samples under high intra-class variability and with very few enrollment samples. Existing deep learning methods operate directly on raw temporal…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Himanshu Singhal , Suresh Sundaram

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…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Chandra Sekhar , Prerana Mukherjee , Devanur S Guru , Viswanath Pulabaigari

An offline signature-based fuzzy vault (OSFV) is a bio-cryptographic implementation that uses handwritten signature images as biometrics instead of traditional passwords to secure private cryptographic keys. Having a reliable OSFV…

计算机视觉与模式识别 · 计算机科学 2014-09-10 George S. Eskander , Robert Sabourin , Eric Granger

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…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Siladittya Manna , Soumitri Chattopadhyay , Saumik Bhattacharya , Umapada Pal

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…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Chandra Sekhar , Prerana Mukherjee , D. S. Guru , Viswanath Pulabaigari

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…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

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…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Mohammad Hajizadeh Saffar , Mohsen Fayyaz , Mohammad Sabokrou , Mahmood Fathy

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…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Moises Diaz , Miguel A. Ferrer , Gennaro Vessio

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…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

Semi-supervised learning (SSL) has proven to be effective at leveraging large-scale unlabeled data to mitigate the dependency on labeled data in order to learn better models for visual recognition and classification tasks. However, recent…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Hasib Zunair , Yan Gobeil , Samuel Mercier , A. Ben Hamza

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…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

The augmented usage of deep learning-based models for various AI related problems are as a result of modern architectures of deeper length and the availability of voluminous interpreted datasets. The models based on these architectures…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Chandra Sekhar V. , Anoushka Doctor , Prerana Mukherjee , Viswanath Pulabaigiri

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…

计算机视觉与模式识别 · 计算机科学 2010-02-04 Dakshina Ranjan Kisku , Phalguni Gupta , Jamuna Kanta Sing
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