基于ARM处理器S3C2440的越界检测预警系统设计 - 图文

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毕业设计

基于ARM处理器S3C2440的越界检测

预警系统设计

学生姓名 吴海锋 学 号 080910126

学 院 计算机与电子信息工程

专 业 电子信息工程 班 级 电信0804 指导教师 周开军 职 称

讲师

湖 南 商 学 院

2012年5月

湖南商学院本科毕业设计诚信声明

本人郑重声明:所呈交的本科毕业设计,是本人在指导老师的指导下,独立进行研究工作所取得的成果,成果不存在知识产权争议,除文中已经注明引用的内容外,本论文不含任何其他个人或集体已经发表或撰写过的作品成果。对本文的研究做出重要贡献的个人和集体均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。

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内容摘要

越界检测预警系统是用嵌入式平台搭配嵌入式Linux系统采用视频监控、图像识别、运动学检测等技术来实现视频监控。也可以称之为视频监控系统。借助于计算机强大而快速的数据处理能力过滤掉视频画面无用的信息以及干扰信息。系统能够自动识别不同物体,并且分析抽取视频源中的有用信息,准确而快速的定位事故的现场,判断监控现场非正常情况,从而用最快的速度报警。非常有效地完成事前预警,事中处理,事后及时取证的全天候、全自动、实时监控的功能。该系统主要包括三个动作:视频采集、对运动的物体做出判断以及发现越界物体报警。本文的核心内容是嵌入式Linux系统,整个越界检测系统由以下三部分组成:嵌入式硬件开发平台,通用usb摄像头和带触摸功能的LCD显示。嵌入式硬件开发平台是整个系统的控制核心,它运行嵌入式Linux系统,控制摄像头、触摸屏和LCD,采用Linux作为嵌入式操作系统,通过对Linux的万能摄像头驱动v4l2驱动进行参数设置,控制摄像头的启动、采集图像、存储、图像处理和关闭摄像头等一系列的动作。

视频监控系统广泛应用于小区监控、交通管理监控等领域,本论文就是基于这种需求的基础上所进行的研究,论文基于Linux系统上,对摄像头驱动v4l2驱动进行参数修改,实现对摄像头的读取,在QT界面上显示相关视频数据。本论文介绍了嵌入式监控系统的相关技术及本程序的结构分析和具体功能的实现。

关键字

S3C2440; Linux; 视频采集; Otsu算法

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ABSTRACT

Cross the border inspection warning system is to use embedded platform embedded Linux system USES tie-in video monitoring, image recognition, kinematics detection technology to realize the video monitoring. Also can call video monitoring system. With the powerful and fast computer data processing ability to filter out video screen useless

information and disrupting the information. System can automatic identification of different object, and analysis of the useful information from video source, accurate and rapid location at the scene of the accident, judge the abnormal condition monitoring, and with the fastest speed report to the police. Very effectively do advance warning, and deal with the affair, later timely evidence, full automatic, all-weather real-time monitoring of function. The system mainly includes three action: video collection, of the movement to make judgments and found objects cross-border object alarm. This paper is the core content of the embedded Linux system, the whole cross-border detection system is made up of the following three parts: the embedded hardware development platform, and general usb cameras and touch the function with LCD display. Embedded hardware development platform is the entire system of control core, it run embedded Linux system, control the camera, touch screen and LCD, using Linux as embedded operating system, through to the Linux universal camera driving v4l2 driver set parameters, control of the camera start, collecting images, storage, image processing and closed camera etc a series of actions.

Video monitoring system applied to village monitoring, traffic management monitoring, etc, this paper is based on the needs of the basis of the research, based on Linux system, the camera driving v4l2 drive change the parameters, and to realize the read of the camera, in QT interface shown on video related data. This paper introduces the embedded control system in the relevant technology and this program structure analysis and the realization of the function of concrete.

KEY WORDS

S3C2440; Linux; Video Capture; Otsu arithmetic

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