Abstract Human Action Recognition (HAR) involves human activity monitoring task in
different areas of medical, education, entertainment, visual surveillance, video retrieval, as …

This paper reviews recent works in the literature on the use of systems based on radar and
RGB-Depth (RGB-D) sensors for fall detection, and discusses outstanding research …

In human-machine interaction, robotic hands are useful in many scenarios. To operate
robotic hands via gestures instead of handles will greatly improve the convenience and …

In human-machine interaction, robotic hands are expected to work like human's hands and
to be even more powerful or delicate in certain situations. To operate robotic hands via …

The communication barrier and the hearing majority are the key social concerns of the deaf-
dumb community that prevent them from accessing the basic and essential services of the …

This paper proposes three simple, compact yet effective representations of depth
sequences, referred to respectively as dynamic depth images (DDI), dynamic depth normal …

Piezoelectric nanogenerator (PENG) was first introduced by using piezoelectric nanowires
for converting tiny mechanical energy into electric power. 1 Research in nanogenerators has …

Abstract Human Computer Interaction (HCI) technologies are rapidly evolving the way we
interact with computing devices and adapting to the constantly increasing demands of …

In this chapter, we provide a review of conversational agents (CAs), discussing chatbots,
intended for casual conversation with a user, as well as task-oriented agents that generally …

In recent years, gesture recognition has been widely used in the fields of intelligent driving,
virtual reality, and human-computer interaction. With the development of artificial …