基于嵌入式智能家居报警系统的实现
基于嵌入式智能家居报警系统的实现(开题报告,毕业论文13200字,外文翻译)
摘 要
近年来,随着人们生活水平质量的提高,越来越多的高科技产品呈现在我们的眼前。家居环境的智能化成为了人们迫切改善的方向,原因在于智能化家居能为人们提供舒适健康的生活环境,给住户们一种前所未有的安全感,使得他们能在千里之外也能安心地学习与工作。以此同时,在嵌入式技术飞快发展的趋势下,人们可以设法将智能家居监控技术、web服务器、GPRS报警和嵌入式技术结合在一起,设计出具有网络报警功能的嵌入式智能家居报警系统,促进智能化家居的发展和推广。
本论文以装有嵌入式linux系统的虚拟机作为开发平台,核心处理器利用基于ARM11架构的32位S3C6410,结合外围的USB摄像头、SIM800A的GPRS模块等组成硬件平台。在该硬件平台上对Linux 内核和根文件系统等进行编译和移植,利用V4L2架构和motion检测技术对视频进行采集和分析,为了进一步提高带宽的利用率,采用H.264视频压缩的技术,搭建Boa服务器并通过TCP/IP协议进行数据的传输。经系统测试及结果演示,服务器运行比较稳定,对可疑物体也能及时抓拍并启动GPRS进行短信报警,用户还可以通过浏览器查看摄像头抓拍的当时场景。 [资料来源:www.doc163.com]
关键词:V4L2;motion检测;H.264压缩技术;boa服务器;GPRS
Abstract
In recent years, with the improvement of people's quality of life, more and more high-tech products have appeared before our eyes. The intelligentization of the home environment has become a direction that people urgently need to improve. The reason is that the intelligent home can provide people with a comfortable and healthy living environment, giving the residents an unprecedented sense of security and enabling them to learn comfortably and safely in thousands of miles away. jobs. At the same time, with the rapid development of embedded technology, people can find ways to combine smart home monitoring technology, web server, GPRS alarms and embedded technology to design an embedded smart home alarm system with network alarm function. Promote the development and promotion of smart homes.
This paper takes the virtual machine with embedded linux system as the development platform. The core processor uses the 32-bit S3C6410 based on the ARM11 architecture, combined with the peripheral USB camera, the GPRS module of the SIM800A and so on to form the hardware platform. The Linux kernel and the root file system are compiled and transplanted on this hardware platform. The video is collected and analyzed using the V4L2 architecture and motion detection technology. In order to further increase the bandwidth utilization, the H.264 video compression technology is used to build The Boa server transmits data through the TCP/IP protocol. Through system test and result demonstration, the server runs relatively stable, and the suspicious object can also be snapped and started GPRS to send a short message alarm. The user can also view the scene captured by the camera through the browser. [资料来源:www.doc163.com]
Key words: V4L2;motion detection;H.264 compression technology;boa server;GPRS
目 录
摘 要 I
Abstract II
1 绪论 1
1.1 选题背景及意义 1
1.2 国内外研究现状与发展趋势 1
1.2.1 国外智能家居发展现状 1
1.2.2国内智能家居发展现状 2
2 智能家居报警系统的设计 4
2.1 系统需求分析 4
2.2 系统总体功能设计 4
2.2.1 系统硬件平台的设计 4
2.2.2 系统软件平台的设计 4
3 硬件平台的简介 6
3.1 S3C6410处理器 6
3.2 6410开发板 6
3.3 USB摄像头 6
3.4 GPRS报警模块 7
3.4.1 GPRS模块简介 7
3.4.2 GPRS模块使用步骤 8 [资料来源:https://www.doc163.com]
4 软件平台的简介 9
4.1 虚拟机及linux 9
4.2 建立交叉编译环境 9
4.3 内核配置和驱动移植 9
4.3.1 摄像头驱动 10
4.3.2 摄像头测试 10
5 系统关键技术及解决 12
5.1 视频采集V4L2架构 12
5.1.1 V4L2接口简介 12
5.1.2 V4L2视频采集程序 12
5.2 视频H.264压缩技术 15
5.2.1 视频H.264压缩简介 15
5.2.2 视频H.264压缩新特性 16
5.2.3 视频H.264编译码器 16
5.3 网络传输技术 18
5.3.1 Boa服务器 18
5.3.2 Boa移植 18
5.4 motion检测技术 19
5.4.1 motion检测原理 19
5.4.2 motion检测移植 20
5.5 GPRS报警短信设计 21
5.5.1 GPRS模块初始化流程 21 [资料来源:https://www.doc163.com]
5.5.2发送英文短信(TXET模式) 22
6 系统测试 23
6.1 系统测试环境搭建 23
6.2 系统测试步骤及结果 23
结论 25
参 考 文 献 26
附录一 外文译文 28
附录二 外文原文 32
致 谢 38 [资料来源:Doc163.com]