Modern elevators are equipped with closed-circuit television (CCTV) cameras to record
videos for post-incident investigation rather than providing proactive event monitoring. While …

While video analysis has become a standard feature of many security cameras, built
audioanalytics remains relatively rare, despite the presence of both the audio channels in …

Modern video surveillance systems consist of a network of many video cameras. Constantly
video camera systems are being installed for security reasons in prisons, elevators …

The forensic investigation of a terrorist attack poses a huge challenge to the investigative
authorities, as several thousand hours of video footage need to be spotted. To assist law …

In this paper, we propose a hierarchical method to detect and classify abnormal acoustic
events occurring in an elevator environment. The Gaussian Mixture Model (GMM) based …

This chapter deals with a relatively new application domain of the generalized sound
recognition technology, audio surveillance. The particular branch of computational auditory …

Despite surveillance systems becoming increasingly ubiquitous in our living environment,
automated surveillance, currently based on video sensory modality and machine …

Monitoring of human and social activities is becoming increasingly pervasive in our living
environment for public security and safety applications. The recognition of suspicious events …

In the last decades, several systems based on video analysis have been proposed for
automatically detecting accidents on roads to ensure a quick intervention of emergency …

Audio-visual event detection aims to identify semantically defined events that reveal human
activities. Most previous literature focused on restricted highlight events, and depended on …