Intense human motion, such as hitting, kicking, and falling, in some particular scenes
indicates the occurrence of abnormal events like violence and school bullying. Camera …

WiFi facilitates computers and devices to connect with the Internet and each other using
radio frequency signals that has Received Signal Strength Indicator or RSSI as its standard …

In this paper, we propose Li-Tect, an algorithm to detect the shape of an object located in an
indoor environment using low cost optical elements through sensing the environment's light …

At microwave frequencies, absorption by molecular resonance is a major factor affecting
radio propagation. Irregularities in the radio propagation pattern, expressed in a form of the …

Passive indoor personnel detection technology is now a hot topic. Existing methods have
been greatly influenced by environmental changes, and there are problems with the …

Intruder Detection is needed in order to monitor sensitive passages or gateways. These
passages are usually existing in airports, police stations, government buildings, courts or …

Wi-Fi is a wireless networking technology that enables computers and other devices to
communicate using a RF signal enabling a lot of advanced applications to provide services …

The passive personnel detection based on Wi-Fi has the advantages of low cost and easy
implementation, and can be better applied to elderly care and safety monitoring. In this …

The presence of a human in the vicinity of radio transceivers results in radio signal strength
variations at the receiver's input. Therefore, human presence in an indoor environment can …

The research field of the Intelligent Spaces has experienced increasing attention in the last
decade. As an instance of the ubiquitous computing paradigm, the general idea is to extract …