With the proliferation of Internet-of-Things (IoT) devices, acoustic sensing attracts significant
attention in recent years. It exploits acoustic transceivers such as microphones and speakers …

Radio-Frequency (RF) based device-free Human Activity Recognition (HAR) rises as a
promising solution for many applications. However, device-free (or contactless) sensing is …

A myriad of IoT applications, ranging from tracking assets in hospitals, logistics, and
construction industries to indoor tracking in large indoor spaces, demand centimeter …

Respiratory diseases have been a significant public health challenge. Efficient disease
evaluation and monitoring call for daily spirometry tests, as an effective way of pulmonary …

White noise machines are among the most popular devices to facilitate infant sleep. We
introduce the first contactless system that uses white noise to achieve motion and respiratory …

Wearable technologies provide a non-invasive way to monitor user's activity, identity, and
health in real-time, which have attracted tremendous interests from both academia and …

Heart rhythm assessment is indispensable in diagnosis and management of many cardiac
conditions and to study heart rate variability in healthy individuals. We present a proof-of …

Eye blink detection plays a key role in many real-life applications such as Human-Computer
Interaction (HCI), drowsy driving prevention and eye disease detection. Although traditional …

Vital sign monitoring is a common practice amongst medical professionals, and plays a key
role in patient care and clinical diagnosis. Traditionally, dedicated equipment is employed to …

Despite the potential of Virtual Reality as the next computing platform for general purposes,
current systems are tailored to stationary settings to support expansive interaction in mid-air …