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The future of transportation is driven by the use of artificial intelligence to improve living and transportation. This paper presents a neural network-based system for driver identification using data collected by a smartphone. This system…

Human-Computer Interaction · Computer Science 2020-02-06 Ruhallah Ahmadian , Mehdi Ghatee

With the rapid growth in smartphone usage, more organizations begin to focus on providing better services for mobile users. User identification can help these organizations to identify their customers and then cater services that have been…

Cryptography and Security · Computer Science 2017-11-16 Lichao Sun , Yuqi Wang , Bokai Cao , Philip S. Yu , Witawas Srisa-an , Alex D Leow

With the emerging of touch-less human-computer interaction techniques and gadgets, mid-air hand gestures have been widely used for authentication. Much literature examined either the usability or security of a handful of gestures. This…

Cryptography and Security · Computer Science 2018-11-27 Wenyuan Xu , Xiaopeng Li , Jing Tian , Yujun Xiao , Xianshan Qu , Song Wang , Xiaoyu Ji

The rapid adoption of Mobile Money Services (MMS) in Sub-Saharan Africa (SSA) offers a viable path to improve e-Government service accessibility in the face of persistent low internet penetration. However, existing Mobile Money…

Cryptography and Security · Computer Science 2025-09-26 Oluwole Adewusi , Wallace S. Msagusa , Jean Pierre Imanirumva , Okemawo Obadofin , Jema D. Ndibwile

With the development of sixth-generation (6G) wireless communication networks, the security challenges are becoming increasingly prominent, especially for mobile users (MUs). As a promising solution, physical layer security (PLS) technology…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Wenxuan Ma , Bin Lin , Hongyang Pan , Geng Sun , Enyu Shi , Jiancheng An , Chau Yuen

Secure communication is essential in covert and safety-critical settings where verbal interactions may expose user intent or operational context. Wearable gesture-based communication enables low-effort, nonverbal interaction, but existing…

Cryptography and Security · Computer Science 2026-02-10 Tasnia Ashrafi Heya , Sayed Erfan Arefin

By 2025, the internet of things (IoT) is projected to connect over 75 billion devices globally, fundamentally altering how we interact with our environments in both urban and rural settings. However, IoT device security remains challenging,…

Cryptography and Security · Computer Science 2024-10-17 Brahim Mefgouda , Raviha Khan , Omar Alhussein , Hani Saleh , Hossien B. Eldeeb , Anshul Pandey , Sami Muhaidat

Smartphone motion sensors provide a concealed mechanism for eavesdropping on acoustic information, like touchtones, emitted by a device. Eavesdropping on touchtones exposes credit card information, banking pins, and social security card…

Cryptography and Security · Computer Science 2021-09-29 Connor Bolton , Yan Long , Jun Han , Josiah Hester , Kevin Fu

With the widespread adoption of smartphones, ensuring pedestrian safety on roads has become a critical concern due to smartphone distraction. This paper proposes a novel and real-time assistance system called UWB-assisted Safe Walk (UASW)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Jamsheed Manja Ppallan , Ruchi Pandey , Yellappa Damam , Vijay Narayan Tiwari , Karthikeyan Arunachalam , Antariksha Ray

Voice input has been tremendously improving the user experience of mobile devices by freeing our hands from typing on the small screen. Speech recognition is the key technology that powers voice input, and it is usually outsourced to the…

Cryptography and Security · Computer Science 2017-12-01 Jianwei Qian , Haohua Du , Jiahui Hou , Linlin Chen , Taeho Jung , Xiang-Yang Li , Yu Wang , Yanbo Deng

In recent years, there has been rapid growth in mobile devices such as smartphones, and a number of applications are developed specifically for the smartphone market. In particular, there are many applications that are ``free'' to the user,…

Cryptography and Security · Computer Science 2013-05-20 Hiroki Kuzuno , Satoshi Tonami

The smartphone usage among people is increasing rapidly. With the phenomenal growth of smartphone use, smartphone theft is also increasing. This paper proposes a model to secure smartphones from theft as well as provides options to access a…

Cryptography and Security · Computer Science 2012-03-16 K. S. Kuppusamy , Senthilraja. R , G. Aghila

The emergence of smartwatches poses new challenges to information security. Although there are mature touch-based authentication methods for smartphones, the effectiveness of using these methods on smartwatches is still unclear. We…

Human-Computer Interaction · Computer Science 2017-10-13 Yue Zhao , Zhongtian Qiu , Yiqing Yang , Weiwei Li , Mingming Fan

Password-based authentication schemes are the most widely used techniques for remote user authentication. Many static ID-based remote user authentication schemes both with and without smart cards have been proposed. Most of the schemes do…

Cryptography and Security · Computer Science 2016-11-18 Manik Lal Das , Ashutosh Saxena , Ved P. Gulati

In an organization, individuals prefer to form various formal and informal groups for mutual interactions. Therefore, ubiquitous identification of such groups and understanding their dynamics are important to monitor activities, behaviours…

Social and Information Networks · Computer Science 2022-04-19 Snigdha Das , Soumyajit Chatterjee , Sandip Chakraborty , Bivas Mitra

With the advancement of technologies, market wearables are becoming increasingly popular with a range of services, including providing access to bank accounts, accessing cars, monitoring patients remotely, among several others. However,…

Human-Computer Interaction · Computer Science 2021-10-12 Alexa Muratyan , William Cheung , Sayanton V. Dibbo , Sudip Vhaduri

Various methods have been proposed for authentication, including password or pattern drawing, which is clearly visible on personal electronic devices. However, these methods of authentication are more vulnerable, as passwords and cards can…

Image and Video Processing · Electrical Eng. & Systems 2021-02-11 Donya Khaledyan , Mohammad Eshghi , Morteza Heidari , Abolfazl Zargari Khuzani , Najmeh Mashhadi

While smartphone usage become more and more pervasive, people start also asking to which extent such devices can be maliciously exploited as "tracking devices". The concern is not only related to an adversary taking physical or remote…

Cryptography and Security · Computer Science 2014-07-30 Mauro Conti , Luigi V. Mancini , Riccardo Spolaor , Nino V. Verde

The digitization of democratic processes promises greater accessibility but presents challenges in terms of security, privacy, and verifiability. Existing electronic voting systems often rely on centralized architectures, creating single…

Cryptography and Security · Computer Science 2025-07-15 Michał Jóźwik , Johan Pouwelse

Preventing abusive activities caused by adversaries accessing online services at a rate exceeding that expected by websites has become an ever-increasing problem. CAPTCHAs and SMS authentication are widely used to provide a solution by…

Cryptography and Security · Computer Science 2024-06-27 Kosei Akama , Yoshimichi Nakatsuka , Masaaki Sato , Keisuke Uehara