It can produce background information, which makes it support MPEG-4 Sprite coding.

它能够生成背景信息，支持MPEG - 4的精灵编码。

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Scalable coding and shape coding are two pivotal techniques in MPEG-4 video coding.

可扩展编码和形状编码技术是MPEG - 4视频编码部分的两个关键技术。

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In the framework of the MPEG 4 coding system, the automatic or semiautomatic video sequence segmentation plays a key role in supporting the features of content based coding.

在MPEG - 4编码系统框架中，为支持基于内容的编码性能，视频自动、半自动分割成为关键技术之一。

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