The techniques and methods used for processing multimedia data in database are proposed. Security of database is also discussed.
提出了处理数据库中多媒体数据的技术和方法，讨论了数据库的安全问题。
Four key techniques of telemedicine system about are researched respectively, which are network protocols, multimedia database system, data compress and network security.
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。
It has brought us great convenience and a great number of information security problems as well. Such as information theft, copyright protection of multimedia data and image authentication.
它给人们带来种种便利的同时也带来了一系列的信息安全问题，比如信息窃取问题、多媒体信息的版权保护问题、信息篡改问题等。
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