Recently, device-free human behavior recognition has become a hot research topic and has
achieved significant progress in the field of ubiquitous computing. Among various …

Recent years have witnessed the rapid development in the research topic of WiFi sensing
that automatically senses human with commercial WiFi devices. Past work falls into two …

Recently, human behavior sensing based on WiFi channel state information has drawn
more attention in the ubiquitous computing field because it can provide accurate information …

Wireless sensing has become a hot research topic recently, enabling a large range of
applications. However, due to the intrinsic nature of employing weak target-reflection signal …

With the popularity of online meetings equipped with speakers, voice privacy security has
drawn increasing attention because eavesdropping on the speakers can quickly obtain …

Nowadays, authentication systems are usually required to provide continuous, contactless,
and non-intrusive services. In this paper, we propose RF-Badge, a vital sign-based …

The increasingly remote workforce resulting from the global coronavirus pandemic has
caused unprecedented cybersecurity concerns to organizations. Considerable evidence has …

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 …

In Covid 19, pandemic remote proctoring of the employee or human being is evolved as a
big challenge for the information retrieval process. On the other side, memory-based system …

Human authentication is critical to protect personal and property security. Existing
contactless authentication methods face some drawbacks, such as requiring large data size …