With advancements of wireless and sensing technologies, recent studies have
demonstrated technical feasibility and effectiveness of using acoustic signals for sensing. In …

Device-free gesture tracking is an enabling HCI mechanism for small wearable devices
because fingers are too big to control the GUI elements on such small screens, and it is also …

We present fingerIO, a novel fine-grained finger tracking solution for around-device
interaction. FingerIO does not require instrumenting the finger with sensors and works even …

Recent work has shown that inaudible signals (at ultrasound frequencies) can be designed
in a way that they become audible to microphones. Designed well, this can empower an …

Video games, Virtual Reality (VR), Augmented Reality (AR), and Smart appliances (eg,
smart TVs) all call for a new way for users to interact and control them. This paper develops …

Next generation devices, such as virtual reality (VR), augmented reality (AR), and smart
appliances, demand a simple and intuitive way for users to interact with them. To address …

A mouse has been one of the most successful user interfaces due to its intuitive use. As
more devices are equipped with displays and offer rich options for users to choose from, a …

Applications of localization range from body tracking, gesture capturing, indoor plan
construction to mobile health sensing. Technologies such as inertial sensors, radio …

Device-to-device communication is important to emerging mobile applications such as
Internet of Things and mobile social networks. Authentication and key agreement among …

Human identification plays an important role in our daily lives. Previous studies have
successfully used characteristics such as fingerprints, irises, and facial features for identity …