基于FPGA+DSP的SDI高清图像处理系统  

SDI high definition image processing system based on FPGA & DSP

作　　者：张永昊 宋华军[1] 吴玉兴 Zhang Yonghao;Song Huajun;Wu Yuxing(College of Information and Control Engineering,China University of Petroleum(East China),Qingdao 266580,China)

机构地区：[1]中国石油大学(华东)信息与控制工程学院

出　　处：《国外电子测量技术》2019年第9期28-33,共6页Foreign Electronic Measurement Technology

基　　金：国家自然科学基金（61602517）;中央高校基本科研业务费专项（18CX02109A）资助

摘　　要：针对在视频图像处理过程中计算量大、实时性高的要求,设计了一个基于串行数字接口(SDI)的DSP+FPGA高清图像实时处理系统,主要包括硬件电路设计和软件编程调试。系统硬件电路主处理器采用Xilinx公司Spartan-6系列FPGA和TI公司TMS320C6748系列DSP,数据接收单元和数据发送单元采用SEMTECH公司新上市的GV7704和GV7700两款芯片。系统软件部分包括FPGA端数据采集和逻辑控制、DSP端数据接收和处理以及二者通过UPP和EMIF接口的数据通信。实验结果表明,系统能实现SDI摄像头视频图像的采集,并通过VGA接口电路将接收到的图像输出显示,清晰度较高。In view of the large amount of computation and high real-time requirement in the process of video image processing,this paper designs a DSP+FPGA high-definition image real-time processing system based on SDI interface,which mainly includes hardware circuit design and software programming debugging.The main processor of the system adopts Xilinxseries of Spartan-6FPGA and TMS320C6748DSP of TICompany.Data receiving and transmitting units adopt two new chips,GV7704and GV7700,which are newly listed by SEMTECHCompany.The system software part includes data acquisition and logic control on the FPGA,data reception and processing on the DSP,and data communication between the two through the UPP and EMIF interfaces.The experimental results show that the system can realize the acquisition of the video image of the SDI camera,and output the imagedata through the VGA interfacecircuit,with high definition.

关 键 词：HD-SDI FPGA DSP 图像处理 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]