User authentication is critical to privacy preservation. Most of the existing works focus on
single-user authentication, which may not work efficiently and practically in multi-user …

User authentication is crucial for maintaining privacy. However, most existing methods are
designed for single-user scenarios and may not be efficient for multiple users. To address …

Continuous authentication is crucial for protecting user's privacy throughout their login
session. Existing studies employ wireless sensing technologies to provide device-free and …

For decades, one-time verification has been the standard for user verification at entry points,
office rooms, etc. However, such approaches request users to provide their secrets (eg …

The ever-growing security issues in various mobile applications and smart devices create an
urgent demand for a reliable and convenient user verification method. Traditional verification …

This work proposes a continuous user verification system based on unique human
respiratory-biometric characteristics extracted from the off-the-shelf WiFi signals. Our system …

At-home screening systems for obstructive sleep apnea (OSA) can bring convenience to
remote chronic disease management. However, the unsupervised home environment is …

We propose BreathPrint, a new behavioural biometric signature based on audio features
derived from an individual's commonplace breathing gestures. Specifically, BreathPrint uses …

Identity authentication based on Doppler radar respiration sensing is gaining attention as it
requires neither contact nor line of sight and does not give rise to privacy concerns …

With the continuing growth of voice-controlled devices, voice metrics have been widely used
for user identification. However, voice biometrics is vulnerable to replay attacks and ambient …