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As technology grows and evolves rapidly, it is increasingly clear that mobile devices are more commonly used for sensitive matters than ever before. A need to authenticate users continuously is sought after as a single-factor or multi…

Human-Computer Interaction · Computer Science 2022-07-28 Zachary Deridder , Nyle Siddiqui , Thomas Reither , Rushit Dave , Brendan Pelto , Naeem Seliya , Mounika Vanamala

Continuous authentication utilizes automatic recognition of certain user features for seamless and passive authentication without requiring user attention. Such features can be divided into categories of physiological biometrics and…

Cryptography and Security · Computer Science 2022-09-15 Ahmed Fraz Baig , Sigurd Eskeland

We introduce two data augmentation techniques, which, used with a Resnet-BiLSTM-CTC network, significantly reduce Word Error Rate (WER) and Character Error Rate (CER) beyond best-reported results on handwriting text recognition (HTR) tasks.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Alex Shonenkov , Denis Karachev , Max Novopoltsev , Mark Potanin , Denis Dimitrov , Andrey Chertok

Recent proposals advocate using keystroke timing signals, specifically the coefficient of variation ($\delta$) of inter-keystroke intervals, to distinguish human-composed text from AI-generated content. We demonstrate that this class of…

Cryptography and Security · Computer Science 2026-01-27 David Condrey

Biometric recognition is the process of verifying or classifying human characteristics in images or videos. It is a complex task that requires machine learning algorithms, including convolutional neural networks (CNNs) and Siamese networks.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Islem Jarraya , Tarek M. Hamdani , Habib Chabchoub , Adel M. Alimi

Sequence labeling is an important technique employed for many Natural Language Processing (NLP) tasks, such as Named Entity Recognition (NER), slot tagging for dialog systems and semantic parsing. Large-scale pre-trained language models…

Computation and Language · Computer Science 2020-12-14 Yaqing Wang , Subhabrata Mukherjee , Haoda Chu , Yuancheng Tu , Ming Wu , Jing Gao , Ahmed Hassan Awadallah

Owing to their remarkable learning capabilities and performance in real-world applications, the use of machine learning systems based on Neural Networks (NNs) has been continuously increasing. However, various case studies and empirical…

Machine Learning · Computer Science 2023-07-04 Mahum Naseer , Osman Hasan , Muhammad Shafique

In this paper, we propose a novel continuous authentication system for smartphone users. The proposed system entirely relies on unlabeled phone movement patterns collected through smartphone accelerometer. The data was collected in a…

Human-Computer Interaction · Computer Science 2017-08-16 Rajesh Kumar , Partha Pratim Kundu , Diksha Shukla , Vir V. Phoha

Prevailing user authentication schemes on smartphones rely on explicit user interaction, where a user types in a passcode or presents a biometric cue such as face, fingerprint, or iris. In addition to being cumbersome and obtrusive to the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-17 Debayan Deb , Arun Ross , Anil K. Jain , Kwaku Prakah-Asante , K. Venkatesh Prasad

Intensive work on quantum computing has increased interest in quantum cryptography in recent years. Although this technique is characterized by a very high level of security, there are still challenges that limit the widespread use of…

Cryptography and Security · Computer Science 2019-04-30 Marcin Niemiec

The knowledge replay technique has been widely used in many tasks such as continual learning and continuous domain adaptation. The key lies in how to effectively encode the knowledge extracted from previous data and replay them during…

Machine Learning · Computer Science 2022-05-24 Yingying Zhang , Qiaoyong Zhong , Di Xie , Shiliang Pu

Recurrent neural network (RNN) is an effective neural network in solving very complex supervised and unsupervised tasks. There has been a significant improvement in RNN field such as natural language processing, speech processing, computer…

Cryptography and Security · Computer Science 2019-01-15 Mohammed Harun Babu R , Vinayakumar R , Soman KP

We present in this paper a study on the ability and the benefits of using a keystroke dynamics authentication method for collaborative systems. Authentication is a challenging issue in order to guarantee the security of use of collaborative…

Machine Learning · Computer Science 2009-11-18 Romain Giot , Mohamad El-Abed , Christophe Rosenberger

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

Significant portion of contemporary computer users are children, who are vulnerable to threats coming from the Internet. To protect children from such threats, in this study, we investigate how successfully typing data can be used to…

Human-Computer Interaction · Computer Science 2016-02-01 Yasin Uzun , Kemal Bicakci , Yusuf Uzunay

This study examines integrating EHRs and NLP with large language models (LLMs) to improve healthcare data management and patient care. It focuses on using advanced models to create secure, HIPAA-compliant synthetic patient notes for…

Computation and Language · Computer Science 2025-06-03 Yao-Shun Chuang , Atiquer Rahman Sarkar , Yu-Chun Hsu , Noman Mohammed , Xiaoqian Jiang

Autocomplete is a task where the user inputs a piece of text, termed prompt, which is conditioned by the model to generate semantically coherent continuation. Existing works for this task have primarily focused on datasets (e.g., email,…

We propose InsNet, an expressive insertion-based text generator with efficient training and flexible decoding (parallel or sequential). Unlike most existing insertion-based text generation works that require re-encoding of the context after…

Computation and Language · Computer Science 2022-10-18 Sidi Lu , Tao Meng , Nanyun Peng

Facial recognition system is one of the major successes of Artificial intelligence and has been used a lot over the last years. But, images are not the only biometric present: audio is another possible biometric that can be used as an…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-26 Prateek Mishra

The massive explosion and ubiquity of computing devices and the outreach of the web have been the most defining events of the century so far. As more and more people gain access to the internet, traditional know-something and have-something…

Human-Computer Interaction · Computer Science 2017-08-04 Abhinav Gupta , Agrim Khanna , Anmol Jagetia , Devansh Sharma , Sanchit Alekh , Vaibhav Choudhary