基于DSP的小型视频图像采集、处理与存储系统研究

【作者】 鲁志明；

【导师】 陈文建； 李武森；

【作者基本信息】 南京理工大学 ， 光学工程， 2007， 硕士

【摘要】 电子内窥镜因其独特的结构和成像能力，在社会、生产、生活中有着重要的应用。传统的电子内窥镜一般不具有图像的数字记录和处理功能，而在现代医疗以及工业无损检测中图像的处理和记录都是必不可少的。基于此背景，本文开展了一种低功耗、高集成的便携式基于DSP的小型数字视频图像采集、处理与存储系统的研究。论文在广泛调研电子内窥镜研究现状和电子内窥镜的图像处理技术及其发展现状的基础上，根据电子内窥镜图像的特点，结合系统的技术要求提出了系统总体方案，并对系统核心芯片进行了选型；完成了系统原理图和PCB图的设计，并对PCB板进行仿真验证；在此基础上，完成了系统控制、采集处理软件设计；最终完成了系统的软硬件联合调试。初步调试的结果表明，系统总体技术方案是正确可行的，系统硬件电路以及相关系统软件也能够按照设计要求正常工作，初步实现了图像的采集、图像处理、系统控制、FAT16文件系统建立、CF卡文件存储以及视频输出显示等功能，基本上达到了预期目的。更多还原

【Abstract】 With special structure and imaging ability, electronic endoscope plays important rolein various fields of production and life in society. Traditional electronic endoscope can notdeal with digital record and process of imaging, but it is indispensable to modem medicaltreatment and industrial Non-destructive Testing (NTD) field. Based on this background,this thesis makes research on digital video capturing, storing and processing system, whichisportable with low power and high integrated.On the basis of widely researching into development actuality of electronic endoscopeand its imaging processing technique, according to image characteristic and the techniquerequirement of the electronic endoscope system, this thesis puts forward the system’soverall scheme, chooses the core chips, completes the schematic circuit diagram, PCBscheme, and then the emluator and verification of the PCB board. After these, the system’ssoftware design is completed, ultimately, the software and hardware combined debuggingis accomplished.Initial debugging results show that, the system’s overall technique scheme is feasible,the hardware circuit and related system software can function correctly according to thedesign, and the image capturing, processing, system controlling, FAT16 file systemestablishing, CF card file storing and video outputting functions are accomplished. On thewhole, the expected aim is achieved.更多还原