2008•MicroprocessorsRequires access

Design of Digital Video Surveillance System Front-end based on DSP

Zhou Jingli

Abstract

Aimed at the development direction of current digital video surveillance system,a hardware module of digital video surveillance system front-end based on media processor DSP is introduced.A video acquisition and compressing system running on DM642 is designed.Then the hardware structure,the design method of key modules,the EMC design of system and the system software architecture are explained particularly.The experimental results show that this system performs an excellent compression efficiency,and is feasible with the need of real time video surveillance system.

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Key concepts: Computer science, Digital signal processing, Key (lock), Front and back ends, Computer hardware, Embedded system, Digital video, Video capture