基于uClinux的移動(dòng)視頻監控終端的研究與設計

畢業(yè)論文

基于uClinux的移動(dòng)視頻監控終端的研究與設計

摘要：在后PC時(shí)代，嵌入式系統的發(fā)展就成了計算機技術(shù)發(fā)展的1個(gè)熱點(diǎn)，其中ARM7TDMI是1種RISC處理器，因為高效、低功耗、低成本，在嵌入式系統中應用最為廣泛。由于社會(huì )發(fā)展的需要，數字視頻監控系統的應用也越來(lái)越廣泛，其核心就是嵌入式系統，而采用CDMA1x的嵌入式視頻監控終端專(zhuān)門(mén)針對移動(dòng)環(huán)境或布線(xiàn)成本高的場(chǎng)所設計，較好地解決了這種情況下的視頻監控問(wèn)題。本論文研究了基于uclinux的移動(dòng)嵌入式視頻監控終端設計，以S3C44B0X為核心，以uclinux作為嵌入式操作系統，將前端采集的音、視頻信號通過(guò)MPG440芯片壓縮為MPEG-4視頻數據，通過(guò)CDMA1x網(wǎng)絡(luò )建立起監控終端和監控中心之間的連接，將視頻信號傳輸到監控中心進(jìn)行處理、存儲，用戶(hù)可通過(guò)手機或PC機瀏覽器登錄監控中心網(wǎng)站，查看監控信號，進(jìn)行實(shí)時(shí)監控，在移動(dòng)環(huán)境或不易布線(xiàn)情況下也能較好地的實(shí)現視頻監控，具有1定的實(shí)用性。

關(guān)鍵字：嵌入式系統；CDMA1x；視頻監控；MPEG-4

Research and Design of Mobile Video Surveillance Terminal Based on UClinux

Abstract: The development of embedded systems has been becoming a hotspot of computer technology. As a RISC processor, ARM7TDMI has been abroad applied in embedded systems with the characteristics of high efficiency, low power consumption and low cost. To meeting the demand of security in some important place, the digital video monitoring system has been growing rapidly in recent years, with its cores is embedded systems. The embedded system based on CDMA1X is designed for the applications of mobile environment and the places that is not easy to distribute cable.This paper reseaches the design of the mobile video monitor terminal based on uclinux, with the core is S3C44B0, and the OS is uclinux. The sound and video signal gathered from terminal is compressed to MPEG-4 video data via MPG440 chip. The MPEG-4 video data transferred from the terminal via CDMA1x can be processing and saving in monitor center. After logining the monitor center, useres can monitor the places with mobile phone and PC. This system implements real time monitoring in mobile environment and the places that is not easy to distribute cable, and has practicability on some contents.

Keywords: Embedded System;CDMA1x;Video Surveillance;MPEG-4

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