随着网络和多媒体技术的飞速发展，视频数据的安全问题越来越突出。
With considerable development of the network and multimedia technology, the security problem of the video data becomes more urgent.
该软件实现了数据的实时存储、实时显示、数据的图形化及多媒体技术在安全控制报警功能中的应用。
The real time storing data, real time display, visualizing data by using graphic, and using of multimedia in safety control field are realized.
本文对远程医疗的四个关键技术——网络协议、多媒体数据库技术、数据压缩技术、网络安全分别进行了研究。
Four key techniques of telemedicine system about are researched respectively, which are network protocols, multimedia database system, data compress and network security.
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