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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

Understanding protein dynamics are essential for deciphering protein functional mechanisms and developing molecular therapies. However, the complex high-dimensional dynamics and interatomic interactions of biological processes pose…

Quantitative Methods · Quantitative Biology 2025-05-15 Tiexin Qin , Mengxu Zhu , Chunyang Li , Terry Lyons , Hong Yan , Haoliang Li

Background: An advantageous property of behavioural signals ,e.g. handwriting, in contrast to morphological ones, such as iris, fingerprint, hand geometry, etc., is the possibility to ask a user for a very rich amount of different tasks.…

Cryptography and Security · Computer Science 2022-02-28 Marcos Faundez-Zanuy , Jiri Mekyska , Donato Impedovo

Signature verification is an authentication technique that considers handwritten signature as a biometric. From a biometric perspective this project made use of automatic means through an integration of intelligent algorithms to perform…

Signal Processing · Electrical Eng. & Systems 2018-07-30 Rozita Teymourzadeh , Martin kizito , Kok Wai Chan , Mok Vee Hoong

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

Many finance, physics, and engineering phenomena are modeled by continuous-time dynamical systems driven by highly irregular (stochastic) inputs. A powerful tool to perform time series analysis in this context is rooted in rough path theory…

Machine Learning · Computer Science 2023-04-27 Enea Monzio Compagnoni , Anna Scampicchio , Luca Biggio , Antonio Orvieto , Thomas Hofmann , Josef Teichmann

Online signature verification is the process of verifying time series signature data which is generally obtained from the tablet-based device. Unlike offline signature images, the online signature image data consists of points that are…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Azhar Ahmad Jaini , Ghazali Sulong , Amjad Rehman

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

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

This paper proposes three measures to quantify the characteristics of online signature templates in terms of distinctiveness, complexity and repeatability. A distinctiveness measure of a signature template is computed from a set of enrolled…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 NapaSae-Bae , NasirMemon , Pitikhate Sooraksa

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

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…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

Building upon findings in computational model of handwriting learning and execution, we introduce the concept of stability to explain the difference between the actual movements performed during multiple execution of the subject's…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Antonio Parziale , Moises Diaz , Miguel A. Ferrer , Angelo Marcelli

Nonlinear and delayed effects of covariates often render time series forecasting challenging. To this end, we propose a novel forecasting framework based on ridge regression with signature features calculated on sliding windows. These…

Methodology · Statistics 2025-10-15 Nina Drobac , Margaux Brégère , Joseph de Vilmarest , Olivier Wintenberger

Signature-based techniques give mathematical insight into the interactions between complex streams of evolving data. These insights can be quite naturally translated into numerical approaches to understanding streamed data, and perhaps…

Machine Learning · Statistics 2025-02-21 Terry Lyons , Andrew D. McLeod

Precision is a crucial performance indicator for robot arms, as high precision manipulation allows for a wider range of applications. Traditional methods for improving robot arm precision rely on error compensation. However, these methods…

Robotics · Computer Science 2023-02-28 Qu Weiming , Liu Tianlin , Luo Dingsheng

Force and torque sensing is crucial in robotic manipulation across both collaborative and industrial settings. Traditional methods for dynamics identification enable the detection and control of external forces and torques without the need…

Robotics · Computer Science 2024-09-06 Shilin Shan , Quang-Cuong Pham

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

Visual uncertainties such as occlusions, lack of texture, and noise present significant challenges in obtaining accurate kinematic models for safe robotic manipulation. We introduce a probabilistic real-time approach that leverages the…

Robotics · Computer Science 2025-11-04 Adrian Pfisterer , Xing Li , Vito Mengers , Oliver Brock

Deep reinforcement learning (DRL) has shown remarkable performance on complex control problems in systems and networking, including adaptive video streaming, wireless resource management, and congestion control. For safe deployment,…

Networking and Internet Architecture · Computer Science 2026-04-07 Mohammad Zangooei , Jannis Weil , Amr Rizk , Mina Tahmasbi Arashloo , Raouf Boutaba