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Mobile Augmented Reality (AR) applications leverage various sensors to provide immersive user experiences. However, their reliance on diverse data sources introduces significant privacy challenges. This paper investigates user perceptions…

Human-Computer Interaction · Computer Science 2025-06-26 Viktorija Paneva , Verena Winterhalter , Franziska Augustinowski , Florian Alt

AI-powered automatic camera scene detection mode is nowadays available in nearly any modern smartphone, though the problem of accurate scene prediction has not yet been addressed by the research community. This paper for the first time…

Image and Video Processing · Electrical Eng. & Systems 2021-05-18 Angeline Pouget , Sidharth Ramesh , Maximilian Giang , Ramithan Chandrapalan , Toni Tanner , Moritz Prussing , Radu Timofte , Andrey Ignatov

Person re-identification is a critical security task for recognizing a person across spatially disjoint sensors. Previous work can be computationally intensive and is mainly based on low-level cues extracted from RGB data and implemented on…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 George Cushen

Cashless payment systems offer many benefits over cash, but also have some drawbacks. Fake terminals, skimming, wireless connectivity, and relay attacks are persistent problems. Attempts to overcome one problem often lead to another - for…

Cryptography and Security · Computer Science 2024-09-27 Jack Sturgess , Ivan Martinovic

With the fast advancements of the Autonomous Vehicle (AV) industry, detection of Vulnerable Road Users (VRUs) using smartphones is critical for safety applications of Cooperative Intelligent Transportation Systems (C-ITSs). This study…

Computers and Society · Computer Science 2020-06-15 Huthaifa I. Ashqar , Mohammed Elhenawy , Mahmoud Masoud , Andry Rakotonirainy , Hesham A. Rakha

This paper conducts an extensive review of biometric user authentication literature, addressing three primary research questions: (1) commonly used biometric traits and their suitability for specific applications, (2) performance factors…

Cryptography and Security · Computer Science 2024-01-23 Reem Alrawili , Ali Abdullah S. AlQahtani , Muhammad Khurram Khan

Face verification is a well-known image analysis application and is widely used to recognize individuals in contemporary society. However, most real-world recognition systems ignore the importance of protecting the identity-sensitive facial…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Huan-Chih Wang , Ja-Ling Wu

Most mobile devices include motion, magnetic, acoustic, and location sensors. They allow the implementation of a framework for the recognition of Activities of Daily Living (ADL) and its environments, composed by the acquisition,…

In this paper we study the suitability of a new generation of CAPTCHA methods based on smartphone interactions. The heterogeneous flow of data generated during the interaction with the smartphones can be used to model human behavior when…

Cryptography and Security · Computer Science 2020-10-07 Alejandro Acien , Aythami Morales , Julian Fierrez , Ruben Vera-Rodriguez , Oscar Delgado-Mohatar

Prior works have shown that the list of apps installed by a user reveal a lot about user interests and behavior. These works rely on the semantics of the installed apps and show that various user traits could be learnt automatically using…

Cryptography and Security · Computer Science 2015-10-30 Jagdish Prasad Achara , Gergely Acs , Claude Castelluccia

The growing dependence on mobile phones and their apps has made multi-user interactive features, like chat calls, live streaming, and video conferencing, indispensable for bridging the gaps in social connectivity caused by physical and…

Software Engineering · Computer Science 2025-09-17 Sidong Feng , Changhao Du , Huaxiao Liu , Qingnan Wang , Zhengwei Lv , Mengfei Wang , Chunyang Chen

Immersive technologies, including augmented and virtual reality (AR & VR) devices, have enhanced digital communication along with a considerable increase in digital threats. Thus, authentication becomes critical in AR & VR technology,…

Cryptography and Security · Computer Science 2020-07-27 Reyhan Duezguen , Peter Mayer , Sanchari Das , Melanie Volkamer

We devised a mobile biometric-based authentication system only relying on local processing. Our Android open source solution explores the capability of current smartphones to acquire, process and match fingerprints using only its built-in…

Cryptography and Security · Computer Science 2017-06-13 J. S. Hammudoglu , J. Sparreboom , J. I. Rauhamaa , J. K. Faber , L. C. Guerchi , I. P. Samiotis , S. P. Rao , J. A. Pouwelse

Personal devices have adopted diverse authentication methods, including biometric recognition and passcodes. In contrast, headphones have limited input mechanisms, depending solely on the authentication of connected devices. We present…

Human-Computer Interaction · Computer Science 2024-02-14 Asaf Liberman , Oron Levy , Soroush Shahi , Cori Tymoszek Park , Mike Ralph , Richard Kang , Abdelkareem Bedri , Gierad Laput

We present a cost-effective two-step authentication system that integrates face identification and speaker verification using only a camera and microphone available on common devices. The pipeline first performs face recognition to identify…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kuan Wei Chen , Ting Yi Lin , Wen Ren Yang , Aryan Kesarwani , Riya Singh

Automatic image tagging has been a long standing problem, it mainly relies on image recognition techniques of which the accuracy is still not satisfying. This paper attempts to explore out-of-band sensing base on the mobile phone to sense…

Sound · Computer Science 2014-11-19 Xing Zhang

Static authentication methods, like passwords, grow increasingly weak with advancements in technology and attack strategies. Continuous authentication has been proposed as a solution, in which users who have gained access to an account are…

Artificial Intelligence · Computer Science 2022-05-30 Nyle Siddiqui , Rushit Dave , Naeem Seliya , Mounika Vanamala

In today's technology-driven world, web services have opened up new opportunities for blind and visually impaired people to interact independently. Securing interactions with these services is crucial; however, currently deployed…

Cryptography and Security · Computer Science 2026-03-10 Md Mojibur Rahman Redoy Akanda , Ahmed Tanvir Mahdad , Nitesh Saxena

The need for improved network situational awareness has been highlighted by the growing complexity and severity of cyber-attacks. Mobile phones pose a significant risk to network situational awareness due to their dynamic behaviour and lack…

Networking and Internet Architecture · Computer Science 2023-09-18 Lachlan Simpson , Kyle Millar , Adriel Cheng , Hong Gunn Chew , Cheng-Chew Lim

This paper proposes teeth-photo, a new biometric modality for human authentication on mobile and hand held devices. Biometrics samples are acquired using the camera mounted on mobile device with the help of a mobile application having…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Geetika Arora , Rohit K Bharadwaj , Kamlesh Tiwari