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ID:12951439
大小:491.50 KB
页数:11页
时间:2018-07-19
《《课程设计(论文)_基于arm的视频图像采集系统》》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、基于arm的视频图像采集系统摘要:本系统采用了Samsung公司生产的S3C2440芯片作为嵌入式处理器,再结合系统所需的外围硬件构成基本硬件电路。主要包括二大部分:处理器和存储器部分;电源时钟复位电路部分;外围接口电路部分。在对各部分硬件进行详细设计后,接下来详细介绍了嵌入式软件平台的构建,包括如何移植Linux操作系统:基于嵌入式Linux下USB接口摄像头视频设备采集;移植H.264视频压缩库和视频传输程序的编写。1抓拍系统开发环境的构建本文所设计的采集系统按功能可划分为嵌入式主控模块、视频
2、采集模块、网络传输模块、等三大部分。图1-1为本系统的系统框架图:1.USB数字摄像头采集图像数据:2.采集传输应用程序通过摄像头驱动从摄像头获取到采集的图像数据:3.采集传输应用程序调用H.264编码库对图像数据进行压缩:4.采集传输应用程序将压缩后的图像数据通过网络传输给windowsPC上的显示程序:5.Windows上的显示程序对图像数据进行解码并显示:图1-1软件架构图本系统的嵌入式主控模块是基于Samsung公司生产的S3C2440这款处理器,主要作用是实现对各模块数据的响应、处理以及
3、控制。在硬件上,主控模块包括电源、时钟、复位电路、存储模块、以太网接口电路等。在软件上,主控模块上运行Linux操作系统,管理各应用程序模块进程并调度各进程。Opinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothecentralandprovincial,municipalunifieddeployment,accordingtomunicipalPartycommittee"aboutcarryingo
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