Visual object tracking system employing fixed and PTZ cameras

Authors:
Grzegorz Szwoch;Piotr Dalka;Andrzej Ciarkowski;Piotr Szczuko;Andrzej Czyzewski
Affiliations:
Multimedia Systems Department, Gdańsk University of Technology, Gdańsk, Poland;Multimedia Systems Department, Gdańsk University of Technology, Gdańsk, Poland;Multimedia Systems Department, Gdańsk University of Technology, Gdańsk, Poland;Multimedia Systems Department, Gdańsk University of Technology, Gdańsk, Poland;Multimedia Systems Department, Gdańsk University of Technology, Gdańsk, Poland
Venue:
Intelligent Decision Technologies
Year:
2011

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Abstract

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 employed for foreground objects localization. Estimated objects locations are then utilised for steering of PTZ cameras when observing targeted objects with high close-ups. Objects are classified into several classes, then basic event detection is being performed. Event type, object localisation and images acquired by the cameras are presented visually in a "live map" system. In the paper details related to detection of moving objects are presented. Next, camera calibration procedure and geopositioning coordinates way of processing are discussed. Event detection is described. Finally an experiment is presented, organised in order to verify the camera tracking system accuracy.