Customizing multiprocessor implementation of an automated video surveillance system

Authors:
Gary Wang;Zoran Salcic;Morteza Biglari-Abhari
Affiliations:
Department of Electrical and Computer Engineering, University of Auckland, Auckland, New Zealand;Department of Electrical and Computer Engineering, University of Auckland, Auckland, New Zealand;Department of Electrical and Computer Engineering, University of Auckland, Auckland, New Zealand
Venue:
EURASIP Journal on Embedded Systems
Year:
2006

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Abstract

This paper reports on the development of an automated embedded video surveillance system using two customized embedded RISC processors. The application is partitioned into object tracking and video stream encoding subsystems. The real-time object tracker is able to detect and track moving objects by video images of scenes taken by stationary cameras. It is based on the block-matching algorithm. The video stream encoding involves the optimization of an international telecommunications union (ITU)-T H.263 baseline video encoder for quarter common intermediate format (QCIF) and common intermediate format (CIF) resolution images. The two subsystems running on two processor cores were integrated and a simple protocol was added to realize the automated video surveillance system. The experimental results show that the system is capable of detecting, tracking, and encoding QCIF and CIF resolution images with object movements in them in real-time. With low cycle-count, low-transistor count, and low-power consumption requirements, the system is ideal for deployment in remote locations.