The task of constant monitoring of video streams from a large number of cameras and
reviewing the recordings in order to find a specified event requires a considerable amount of …

The paper presents a video monitoring system utilizing fixed and PTZ cameras for tracking of
moving objects. First type of camera provides image for background modelling, being …

Pawlak's flowgraph has been applied as a suitable data structure for description and
analysis of human behaviour in the area supervised with multicamera video surveillance …

In this paper a methodology for employing reversible visual encryption of data is proposed.
The developed algorithms are focused on privacy enhancement in distributed surveillance …

A system for tracking moving objects with a known GPS position using a set of PTZ cameras
with limited areas of coverage is presented. The basic idea of the system and its possible …

The transmission and analysis of video is frequently used for a variety of applications
outside the entertainment sector, and it is generally used to perform specific tasks. The …

Novel algorithms for data processing in audiovisual surveillance systems were developed
allowing for a better personal data protection. The solution merging the image and audio …

In this paper, methodology of acquisition and processing of video streams for the purpose of
modelling object behaviour is presented. Multilevel contextual video processing was also …

In the paper, a method of estimation of the physical sizes of the objects tracked by the
camera is presented. First, the camera is calibrated, then the proposed algorithm is used to …

Users of video to perform tasks require sufficient video quality to recognize the information
needed for their application. Therefore, the fundamental measure of video quality in these …