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Behavioral biometrics based on smartphone motion sensors are growing in popularity for authentication purposes. In this study, AirSignatureDB is presented: a new publicly accessible dataset of in-air signatures collected from 108…

Transformer is a promising neural network learner, and has achieved great success in various machine learning tasks. Thanks to the recent prevalence of multimodal applications and big data, Transformer-based multimodal learning has become a…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Peng Xu , Xiatian Zhu , David A. Clifton

Learning feature interaction is the critical backbone to building recommender systems. In web-scale applications, learning feature interaction is extremely challenging due to the sparse and large input feature space; meanwhile, manually…

信息检索 · 计算机科学 2023-11-13 Huan Gui , Ruoxi Wang , Ke Yin , Long Jin , Maciej Kula , Taibai Xu , Lichan Hong , Ed H. Chi

Essentially a biometric system is a pattern recognition system which recognizes a user by determining the authenticity of a specific anatomical or behavioral characteristic possessed by the user. With the ever increasing integration of…

计算机视觉与模式识别 · 计算机科学 2012-01-19 Aamir Khan , Muhammad Farhan , Aasim Khurshid , Adeel Akram

This paper investigates neural network-based biometric authentication using finger-drawn digits on touchscreen devices. We evaluated CNN and autoencoder architectures for user authentication through simple digit patterns (0-9) traced with…

机器学习 · 计算机科学 2025-11-17 Maan Al Balkhi , Kordian Gontarska , Marko Harasic , Adrian Paschke

Applications based on biometric authentication have received a lot of interest in the last years due to the breathtaking results obtained using personal traits such as face or fingerprint. However, it is important not to forget that these…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Carlos Gonzalez-Garcia , Ruben Tolosana , Ruben Vera-Rodriguez , Julian Fierrez , Javier Ortega-Garcia

Current mobile user authentication systems based on PIN codes, fingerprint, and face recognition have several shortcomings. Such limitations have been addressed in the literature by exploring the feasibility of passive authentication on…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Giuseppe Stragapede , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales , Alejandro Acien , Gael Le Lan

Mobile devices and technologies have become increasingly popular, offering comparable storage and computational capabilities to desktop computers allowing users to store and interact with sensitive and private information. The security and…

密码学与安全 · 计算机科学 2020-05-12 Mohammed Abuhamad , Ahmed Abusnaina , DaeHun Nyang , David Mohaisen

Robustness verification that aims to formally certify the prediction behavior of neural networks has become an important tool for understanding model behavior and obtaining safety guarantees. However, previous methods can usually only…

机器学习 · 计算机科学 2020-12-24 Zhouxing Shi , Huan Zhang , Kai-Wei Chang , Minlie Huang , Cho-Jui Hsieh

Transformers have become the dominant architecture for sequence modeling tasks such as natural language processing or audio processing, and they are now even considered for tasks that are not naturally sequential such as image…

机器学习 · 计算机科学 2024-03-05 Jorg Bornschein , Yazhe Li , Amal Rannen-Triki

Recent studies have shown how motion-based biometrics can be used as a form of user authentication and identification without requiring any human cooperation. This category of behavioural biometrics deals with the features we learn in our…

机器学习 · 计算机科学 2021-10-08 Akriti Verma , Valeh Moghaddam , Adnan Anwar

Task-based behavioral biometric authentication of users interacting in virtual reality (VR) environments enables seamless continuous authentication by using only the motion trajectories of the person's body as a unique signature. Deep…

机器学习 · 计算机科学 2024-01-31 Mingjun Li , Natasha Kholgade Banerjee , Sean Banerjee

The paper presents to address this challenge, we have proposed the use of Adaptive Window Positioning technique which focuses on not just the meaning of the handwritten signature but also on the individuality of the writer. This innovative…

计算机视觉与模式识别 · 计算机科学 2014-07-11 Ghazali Sulong , Anwar Yahy Ebrahim , Muhammad Jehanzeb

The past year has witnessed the rapid development of applying the Transformer module to vision problems. While some researchers have demonstrated that Transformer-based models enjoy a favorable ability of fitting data, there are still…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Zhengsu Chen , Lingxi Xie , Jianwei Niu , Xuefeng Liu , Longhui Wei , Qi Tian

Transformers have excelled in natural language processing and computer vision, paving their way to sensor-based Human Activity Recognition (HAR). Previous studies show that transformers outperform their counterparts exclusively when they…

机器学习 · 计算机科学 2024-10-18 Clayton Souza Leite , Henry Mauranen , Aziza Zhanabatyrova , Yu Xiao

The amount of secure data being stored on mobile devices has grown immensely in recent years. However, the security measures protecting this data have stayed static, with few improvements being done to the vulnerabilities of current…

密码学与安全 · 计算机科学 2022-05-18 Laura Pryor , Jacob Mallet , Rushit Dave , Naeem Seliya , Mounika Vanamala , Evelyn Sowells Boone

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

Handwriting recognition is a challenging and critical problem in the fields of pattern recognition and machine learning, with applications spanning a wide range of domains. In this paper, we focus on the specific issue of recognizing…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Saleh Momeni , Bagher BabaAli

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

Transformer architecture has widespread applications, particularly in Natural Language Processing and computer vision. Recently Transformers have been employed in various aspects of time-series analysis. This tutorial provides an overview…

机器学习 · 计算机科学 2023-07-27 Sabeen Ahmed , Ian E. Nielsen , Aakash Tripathi , Shamoon Siddiqui , Ghulam Rasool , Ravi P. Ramachandran