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在引入ＭＰＥＧ┐４视频标准的基础上，对基于对象的视频编码模型及功能进行了描述，介绍了基于对象编码的概念及某些算法结构。
Based on the introduction of MPEG4 video standard, the object-based video coding model and its functions are described. The concept of object coding and the structure of some algorithms are introduced.