摘要
提出了基于DSP和CPLD的视频图像采集、处理系统的设计与实现方法,系统硬件平台主要由专用视频解码芯片、可编程逻辑器件以及数字信号处理器等组成。讨论了视频图像信号处理的基本构成、原理,采用TVP5150视频解码芯片采集视频信号、输出图像数据码流,配置XC95144 CPLD芯片进行系统逻辑控制,利用TMS320VC5416处理器和处理算法软件进行数字图像信号处理,实现了视频图像采集、存储、传输、检测和锐化。系统设计是有效和可行的。
Design and realization methods of video image acquisition processing systems based on DSP and CPLD are presented. The system hardware platform consists of a video decoder, a programmable logic device, a digital signal processor, and other devices. The principle and the structure of video image processing are discussed. TVP5150 video decoder is adopted to acquire video signal and data stream, and XC95144XL-CPLD device is configured for system logic control. TMS320VC5416 processor, processing algorithms and software are used for digital image processing. Finally, the video image acquisition, storage and transmission, edge detection and sharpening are implemented. The results show the validity and feasibility of the video image processing system.
出处
《数据采集与处理》
CSCD
北大核心
2008年第B09期168-172,共5页
Journal of Data Acquisition and Processing
作者简介
周长林(1961-),男,副教授,研究方向:信息系统设计,信号处理,电磁兼容,E—mail:zcl31233@tom.com;
常青美(1964-),女,副教授,研究方向:信号处理电路与系统;
简礼宏(1982-),男,研究生,研究方向:嵌入式系统。