基于内容的表示及其在远程教育系统中的应用  

Content-based Representation and its Application in Distance Education Systems

作　　者：胡栋[1] 

机构地区：[1]上海交通大学,上海210003

出　　处：《微电子学与计算机》2001年第5期48-52,共5页Microelectronics & Computer

摘　　要：文章首先简要介绍了MPEG-4的基本思想和特点,基于内容的两种结构;然后介绍了三个使用基于内容表示的远程教育系统的实例,其中第三个例子是一个新颖的多媒体课件制作系统。这些例子说明了基于内容的表示特别适用于多媒体信息的描述,具有很好的应用前景。In this paper,the central ideas of MPEG-4 and its characteristics,as well as two content-based architectures have been introduced. Then three distance education systems,which use content-based representation techniques, have been described. Among these systems,the third is a novel design for the multimedia teaching material production system. The examples demonstrate that content-based representation is very efficient way to describe multimedia information,and have good application prospects.

关 键 词：视频对象 图象编码 远程教育系统 MPEG-4 

分 类 号：G728[文化科学—成人教育学] TN919.81[文化科学—教育学]