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The proliferation of AI-generated text has intensified the need for reliable authorship verification, yet current output-based methods are increasingly unreliable. We observe that the ordinary typing interface captures rich cognitive…

Cryptography and Security · Computer Science 2026-05-26 David Condrey

Signature is an infinite graded sequence of statistics known to characterize geometric rough paths, which includes the paths with bounded variation. This object has been studied successfully for machine learning with mostly applications in…

Machine Learning · Statistics 2022-01-19 Ming Min , Tomoyuki Ichiba

Evaluating the style of handwriting generation is a challenging problem, since it is not well defined. It is a key component in order to develop in developing systems with more personalized experiences with humans. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Omar Mohammed , Gerard Bailly , Damien Pellier

While analyzing scanned documents, handwritten text can overlap with printed text. This overlap causes difficulties during the optical character recognition (OCR) and digitization process of documents, and subsequently, hurts downstream NLP…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Sina Gholamian , Ali Vahdat

There is an increasing trend to mine vulnerabilities from software repositories and use machine learning techniques to automatically detect software vulnerabilities. A fundamental but unresolved research question is: how do different…

Software Engineering · Computer Science 2024-06-07 Esma Mouine , Yan Liu , Lu Xiao , Rick Kazman , Xiao Wang

Automatic sign language recognition is an open problem that has received a lot of attention recently, not only because of its usefulness to signers, but also due to the numerous applications a sign classifier can have. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Lucas Rioux-Maldague , Philippe Giguère

A handwritten word recognition system comes with issues such as lack of large and diverse datasets. It is necessary to resolve such issues since millions of official documents can be digitized by training deep learning models using a large…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Mst Shapna Akter , Hossain Shahriar , Alfredo Cuzzocrea , Nova Ahmed , Carson Leung

In this paper a scheme for offline Handwritten Devnagari Character Recognition is proposed, which uses different feature extraction methodologies and recognition algorithms. The proposed system assumes no constraints in writing style or…

Computer Vision and Pattern Recognition · Computer Science 2010-07-01 S. Arora , Debotosh Bhattacharjee , M. Nasipuri , D. K. Basu , M. Kundu

Online signature verification plays a pivotal role in security infrastructures. However, conventional online signature verification models pose significant risks to data privacy, especially during training processes. To mitigate these…

Cryptography and Security · Computer Science 2024-06-12 Lingfeng Zhang , Yuheng Guo , Yepeng Ding , Hiroyuki Sato

On-line handwritten character segmentation is often associated with handwriting recognition and even though recognition models include mechanisms to locate relevant positions during the recognition process, it is typically insufficient to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Michael Jungo , Beat Wolf , Andrii Maksai , Claudiu Musat , Andreas Fischer

Finger vein biometrics is an approach to identifying individuals based on the unique patterns of blood vessels in their fingers, and the technology is advanced in image capture and processing techniques, which is leading to more efficient,…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 George Kumi Kyeremeh , M. Abdul-Al , R. Qahwaji , R. A. Abd-Alhameed

An off-line handwritten alphabetical character recognition system using multilayer feed forward neural network is described in the paper. A new method, called, diagonal based feature extraction is introduced for extracting the features of…

Computation · Statistics 2011-03-03 J. Pradeep , E. Srinivasan , S. Himavathi

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

The field of touch-based authentication has been rapidly developing over the last decade, creating a fragmented and difficult-to-navigate area for researchers and application developers alike due to the variety of methods investigated. In…

Cryptography and Security · Computer Science 2022-07-26 Martin Georgiev , Simon Eberz , Ivan Martinovic

Anomaly detection is the process of identifying abnormal instances or events in data sets which deviate from the norm significantly. In this study, we propose a signatures based machine learning algorithm to detect rare or unexpected items…

Computational Finance · Quantitative Finance 2022-02-09 Erdinc Akyildirim , Matteo Gambara , Josef Teichmann , Syang Zhou

A set of features independent of character stroke direction and order variations is proposed for online handwritten character recognition. A method is developed that maps features like co-ordinates of points, orientations of strokes at…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Anand Sharma , A. G. Ramakrishnan

In this work we investigate the use of the Signature Transform in the context of Learning. Under this assumption, we advance a supervised framework that potentially provides state-of-the-art classification accuracy with the use of few…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 J. de Curtò , I. de Zarzà , Hong Yan , Carlos T. Calafate

We present SSL-HV: Self-Supervised Learning approaches applied to the task of Handwriting Verification. This task involves determining whether a given pair of handwritten images originate from the same or different writer distribution. We…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Mihir Chauhan , Mohammad Abuzar Hashemi , Abhishek Satbhai , Mir Basheer Ali , Bina Ramamurthy , Mingchen Gao , Siwei Lyu , Sargur Srihari

Over the past decade, machine learning methods have given us driverless cars, voice recognition, effective web search, and a much better understanding of the human genome. Machine learning is so common today that it is used dozens of times…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Omer Aydin

Encoded (or ciphered) manuscripts are a special type of historical documents that contain encrypted text. The automatic recognition of this kind of documents is challenging because: 1) the cipher alphabet changes from one document to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Mohamed Ali Souibgui , Alicia Fornés , Yousri Kessentini , Crina Tudor