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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

Many institutions and organizations require nostrification and verification of qualification as a prerequisite for hiring. The idea is to recognize the authenticity of a copy or digital document issued by an institution in a foreign country…

Cryptography and Security · Computer Science 2023-10-16 Monther Aldwairi , Mohamad Badra , Rouba Borghol

High number of writers, small number of training samples per writer with high intra-class variability and heavily imbalanced class distributions are among the challenges and difficulties of the offline Handwritten Signature Verification…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Victor L. F. Souza , Adriano L. I. Oliveira , Rafael M. O. Cruz , Robert Sabourin

Detecting non-factual content is a longstanding goal to increase the trustworthiness of large language models (LLMs) generations. Current factuality probes, trained using humanannotated labels, exhibit limited transferability to…

Computation and Language · Computer Science 2024-04-11 Xiaokang Zhang , Zijun Yao , Jing Zhang , Kaifeng Yun , Jifan Yu , Juanzi Li , Jie Tang

Research in the field of electronic signature confirmation has been active for some 20 years now. Unfortunately present certificate-based solutions also come from that age when no-one knew about online data transmission. The official…

Cryptography and Security · Computer Science 2007-05-23 Jan Willemson

The present paper introduces a practical protocol for provably secure, outsourced computation. Our protocol minimizes overhead for verification by requiring solutions to withstand an interactive game between a prover and challenger. For…

Computer Science and Game Theory · Computer Science 2016-06-21 Sanjay Jain , Prateek Saxena , Frank Stephan , Jason Teutsch

The last-generation video conferencing software allows users to utilize a virtual background to conceal their personal environment due to privacy concerns, especially in official meetings with other employers. On the other hand, users maybe…

Cryptography and Security · Computer Science 2021-06-30 Mauro Conti , Simone Milani , Ehsan Nowroozi , Gabriele Orazi

Identity verification based on authenticity assessment of a handwritten signature is an important issue in biometrics. There are many effective methods for signature verification taking into account dynamics of a signing process. Methods…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Krzysztof Cpalka , Marcin Zalasinski , Leszek Rutkowski

Formal verification techniques have been playing an important role in pre-silicon validation processes. One of the most important points considered in performing formal verification is to define good verification scopes; we should define…

Logic in Computer Science · Computer Science 2011-11-09 Yasushi Umezawa , Takeshi Shimizu

A commonly shared component of antivirus suites is a local database of malware signatures that is used during the static analysis process. Despite possible encryption, heuristic obfuscation, or attempts to hide this database from malicious…

Cryptography and Security · Computer Science 2017-05-17 Aubrey Alston

Assurance cases are often required to certify critical systems. The use of formal methods in assurance can improve automation, increase confidence, and overcome errant reasoning. However, assurance cases can never be fully formalised, as…

Software Engineering · Computer Science 2021-06-11 Simon Foster , Yakoub Nemouchi , Mario Gleirscher , Ran Wei , Tim Kelly

Steganography is the task of concealing a message within a medium such that the presence of the hidden message cannot be detected. Though the prospect of steganography is conceivably interesting in many contexts, and though work has been…

Cryptography and Security · Computer Science 2017-07-04 Aubrey Alston

Digital scans of analogue photographic film typically contain artefacts such as dust and scratches. Automated removal of these is an important part of preservation and dissemination of photographs of historical and cultural importance.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Daniela Ivanova , John Williamson , Paul Henderson

Most people think that their handwriting is unique and cannot be imitated by machines, especially not using completely new content. Current cursive handwriting synthesis is visually limited or needs user interaction. We show that…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Martin Mayr , Martin Stumpf , Anguelos Nicolaou , Mathias Seuret , Andreas Maier , Vincent Christlein

Verifying the correctness of a digital twin provides a formal guarantee that the digital twin operates as intended. Digital twin verification is challenging due to the presence of uncertainties in the virtual representation, the physical…

Cryptography and Security · Computer Science 2024-12-02 Luwen Huang , Lav R. Varshney , Karen E. Willcox

This paper introduces a novel approach to user event reconstruction by showing the practicality of generating and implementing signature-based analysis methods to reconstruct high-level user actions from a collection of low-level traces…

Cryptography and Security · Computer Science 2013-02-13 Joshua I. James , Pavel Gladyshev , Yuandong Zhu

Plagiarism of material from the Internet is a widespread and growing problem. Several methods used to detect the plagiarism and similarity between the source document and suspected documents such as fingerprint based on character or n-gram.…

Other Computer Science · Computer Science 2010-04-27 Ahmed Hamza Osman , Naomie Salim , Mohammed Salem Binwahlan

Signature synthesis is a computation technique that generates artificial specimens which can support decision making in automatic signature verification. A lot of work has been dedicated to this subject, which centres on synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Miguel A. Ferrer , Moises Diaz , Cristina Carmona-Duarte , Jose J. Quintana Hernandez , Rejean Plamondon

Modern out-of-order processors face speculative execution attacks. Despite various proposed software and hardware mitigations to prevent such attacks, new attacks keep arising from unknown vulnerabilities. Thus, a formal and rigorous…

Hardware Architecture · Computer Science 2024-07-18 Qinhan Tan , Yuheng Yang , Thomas Bourgeat , Sharad Malik , Mengjia Yan

Online reviews have a significant influence on customers' purchasing decisions for any products or services. However, fake reviews can mislead both consumers and companies. Several models have been developed to detect fake reviews using…

Computation and Language · Computer Science 2021-12-30 Rami Mohawesh , Shuxiang Xu , Matthew Springer , Muna Al-Hawawreh , Sumbal Maqsood