【作者】 徐赫；

【导师】 胡家宝；

【作者基本信息】 武汉理工大学 ， 计算机应用技术， 2007， 硕士

【摘要】 视频监控系统是安全防范系统的组成部分，它是一种防范能力较强的综合系统。视频监控以其直观、方便、信息内容丰富而广泛应用于许多场合。嵌入式视频监控系统是以应用为中心、软硬件可裁减的、适应应用系统对功能、可靠性、成本、体积等综合性严格要求的专用计算机系统，亦即为监控系统量体裁衣的专用计算机系统。嵌入式视频监控系统主要由嵌入式处理器、相关支撑硬件、嵌入式操作系统及应用软件系统等组成，它是集软硬件于一体的可独立工作的“器件”。在视频监控上的嵌入式应用将是视频监控领域的一个重要发展方向。本论文主要研究基于ARM嵌入式平台下的视频模块的设计，以及Linux系统在嵌入式环境下的裁剪与移植。就整体框架而言，可以将其分为硬件和软件两大部分。系统硬件部分的研究主要包括：ARM2410微处理器的体系结构，USB控制器和CMOS传感器的结构和功能；系统软件部分的研究主要包括：分析研究Linux内核结构及其裁剪方法，设计编写BootLoadcr启动代码，Linux环境下USB摄像头驱动程序的设计，以及视频采集的实现等工作。本系统选用Linux作为嵌入式操作系统，并根据系统的特点设计了具体的软硬件方案。系统将视频摄像部分的数字输出信号通过USB端口传送至ARM开发板，并将视频内容传回PC显示。论文介绍了嵌入式系统引导程序Boot Loader的移植、Linux内核的移植及裁剪，以及嵌入式系统开发中所使用的主要相关技术。在对这些技术详细分析、研究和应用的基础上，实现了基于HHARM2410开发板的嵌入式系统视频采集及显示的功能。更多还原

【Abstract】 As the important component of security system, the video monitor system is a powerful integrated one. It has been used in many cases for its visualization, convenience and abundant information. The video monitor system is the expert system that could adapt to the synthetically strict request of the application system on function, dependability, cost, volume and so on, application as the focus, with reducible soft and hard ware, that is, a custom-made appropriative system for monitor system. Embedded video monitor system is composed of embedded processor, relevant trunk hardware, embedded operating system and applications, etc. It’s an independent device that integrates software and hardware. Embedded-application will be one important development direction for the fields of video monitor.The thesis mainly studies how to tailor the Linux in embedded system, and the design of the video capture module based on ARM structure, As a complete unit, it can be divided into two major part for hardware and software. The research of systematic hardware mainly includes: the architecture of ARM2410 microprocessor, the structure and function of USB controller and the COMS sensor; the research of systematic software mainly includes: studying the structure of kernel for Linux and methods of tailoring (Linux), the design of BootLoader, the design of USB driver in Linux,, and the implement of video capture, etc.We choose Linux as an embedded operating system, and have design the concrete software and hardware scheme according to the characteristic of the system. The system has transmitted the digital output signal of video recording part to ARM development board through USB port, and displayed video content through PC. The thesis has introduced the transplantation of embedded system leading procedure-Boot Loader, the transplantation and tailor of Linux kernel, and major relevant technology used during embedded system development. On the basis of the detailed analysis, study, and employ, we realize the function of embedded system video capture and display based on HHARM2410 development board.更多还原