基于ARM与FPGA的嵌入式实时图像处理平台

发布时间：2018-04-04 18:21

本文选题：ARM　切入点：FPGA　出处：《苏州大学》2012年硕士论文

【摘要】：图像处理技术在生物医疗、工业生产、军事公安等领域有着广泛应用，传统的图像处理平台多面向PC平台，体积大，功耗高，开发复杂，微电子技术的飞速发展促进图像处理平台朝着智能化、数字化、微型化方向发展，嵌入式系统的出现并且应用在图像处理平台中，进一步缩短图像处理平台二次开发周期，提高图像处理平台性能。本文在研究多种嵌入式图像处理平台方案的基础上，结合ARM核心板特点与FPGA开发技术提出基于ARM与FPGA的嵌入式实时图像处理平台设计方案，引入FPGA实现图像处理平台实时传输处理高分辨率图像并且实现高分辨率图像的大屏幕显示，借助ARM硬件平台首次在图像处理平台中引入嵌入式操作系统，大大简化实时图像处理平台应用开发，为实时图像处理平台开发提供全新思路。文中完成了由ARM主控制模块、FPGA从模块、实时图像采集模块组成的硬件电路设计，，采用S3C2440A ARM微处理器控制外围接口与实时图像采集模块，采用EP1C3T144I7N FPGA芯片控制实时图像的缓存、VGA接口时序以实现高分辨率实时图像输出，采用SAA7113H图像解码芯片实现模拟CCD的实时图像采集与解码；并且在自主设计的硬件平台上嵌入经个性化定制的Win CE嵌入式操作系统，设计基于Win CE系统的用于实时图像采集的流接口驱动程序；最后根据工业应用领域需求，在设计好的软、硬件平台上运行测量物体长度的应用软件，验证了平台的设计功能。平台集通用AV视频接口、多个USB接口、RS-232串口、VGA接口于一体，实现图像的实时采集与处理，输出视频图像分辨率达800×600，60Hz。平台采用模块化的硬件设计与基于嵌入式操作系统的软件设计，具有功能易扩展，体积小，功耗低，移植便利，二次开发周期短的优点。
[Abstract]:Image processing technology has been widely used in biomedical, industrial production, military and public security fields. Traditional image processing platforms are mostly PC oriented, large in volume, high in power consumption and complex in development.The rapid development of microelectronics technology promotes the development of image processing platform in the direction of intelligence, digitization and miniaturization. The emergence of embedded system and its application in image processing platform further shorten the second development period of image processing platform.Improve the performance of image processing platform.Based on the research of various embedded image processing platform schemes, this paper proposes a design scheme of embedded real-time image processing platform based on ARM and FPGA, combined with the characteristics of ARM core board and FPGA development technology.FPGA is introduced to realize the real-time transmission and processing of high-resolution images and the large screen display of high-resolution images. The embedded operating system is introduced into the image processing platform for the first time with the help of the ARM hardware platform.It greatly simplifies the application and development of real-time image processing platform and provides a new idea for the development of real-time image processing platform.In this paper, the hardware circuit is designed which is composed of ARM slave module and real time image acquisition module. The peripheral interface and real time image acquisition module are controlled by S3C2440A ARM microprocessor.EP1C3T144I7N FPGA chip is used to control the timing of real-time image buffer interface to realize high resolution real-time image output, and SAA7113H image decoding chip is used to realize real-time image acquisition and decoding of simulated CCD.And embed the customized Win CE embedded operating system on the self-designed hardware platform, designed the stream interface driver for real-time image acquisition based on the Win CE system. Finally, according to the requirements of the industrial application field,The design function of the platform is verified by running the application software of measuring the object length on the designed software and hardware platform.The platform integrates general AV video interface and several USB interfaces with RS-232 serial port and VGA interface. The real-time image acquisition and processing are realized. The resolution of output video image reaches 800 脳 600,60Hz.The platform adopts modularized hardware design and software design based on embedded operating system, which has the advantages of easy expansion, small volume, low power consumption, convenient transplantation and short secondary development cycle.
【学位授予单位】：苏州大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP368.1;TP391.41

【参考文献】