Hand gestures represent a natural way to express concepts and emotions which are
peculiar to each culture. Several studies exploit biometric traits, such as fingerprint, iris or …

Biometric recognition systems based on ultrasonic images have several advantages over
other technologies, including the capability of capturing 3D images and detecting liveness …

Biometric recognition systems are finding applications in more and more civilian fields
because they proved to be reliable and accurate. Among the other technologies, ultrasound …

Hand gestures are tools for conveying information, expressing emotion, interacting with
electronic devices or even serving disabled people as a second language. A gesture can be …

This article investigates the use of acoustic signals recorded at the human wrist for hand
gesture recognition. The prototype consists of 40 microphones to be worn at the wrist. The …

As the number of electronic gadgets in our daily lives is increasing and most of them require
some kind of human interaction, this demands innovative, convenient input methods. There …

This paper describes a novel system for ultrasonic gesture recognition targeted at handheld
devices, such as smartphones. Unlike previous proposals, the system obtains high update …

Wearable ultrasound (US) is becoming more popular for complementing surface
electromyography in the hand gesture recognition (HGR) task. In fact, US allows collecting …

Using deep-learning techniques for analyzing radar signatures has opened new
possibilities in the field of smart-sensing, especially in the applications of hand-gesture …

Hand gesture recognition is a fundamental component of intuitive and immersive user
interfaces in virtual reality (VR) applications. This paper presents a data-driven approach …