基于SOPC技术研制医学视频网络传输系统

Development of Medical Video Network Real-time Communication System based on SOPC

目的:研究开发基于医院局域网通讯的一体化医学视频网络实时传输系统。方法:根据医院临床应用的具体特点以及满足小型化、低功耗的设计原则,采用可编程片上系统(SOPC)软硬件设计技术,进行了系统的硬件设计,主要包含模数转换、输入源自动选择数字接口、视频编解码器、中央处理器和系统控制等5个功能模块;并在嵌入式系统环境下设计完成系统控制软件,包括传输模块、侦听模块和控制模块等3部分。结果:开发的基于医院局域网通讯的一体化的医学视频网络实时传输系统可对医学视频进行实时编解码数字处理,发射端和接受端能自动定位,无需设置,方便了临床医学手术视频的网络实时传输。结论:医学视频网络实时传输系统完全能够满足医院科研、教学、学术交流等工作对医学视频信息的实时传输需求,可以很好地保障医院科教研工作的顺利实施。

Objective To develop integrative Medical Video Network Real-time Communication System based on hospital LAN.Methods According to the practical features in clinical application and the design principles of miniaturization and low power waste,SOPC software and hardware design technologies were utilized to design the system hardware,which mainly includes such 5 function modules as A/D conversion,automatic selection of digital interface,video codec,CPU and system control.The system control software,including transmission module,interception module and control module,was designed under embedded system.Results The integrative Medical Video Network Real-time Communication System based on hospital LAN could encode and decode medical video in real-time,and the transmission and reception parts could automatic position without manual setting,thus facilitating network real-time transmission of clinical medical video.Conclusion Completely meeting the requirement of medical video real-time transmission in hospital scientific research,teaching and academic exchanges,Medical Video Network Real-time Communication System supports hospital scientific research and teaching greatly.