国际标准化组织(iso)指定的新一代静止图像压缩标准：JPEG2000具有传统JPEG图象格式所没有的更高压缩比和更多有利于数字化图象处理的新功能。

A new still image compression standard: JPEG2000 developed by ISO has higher compression performance as well as some new features which is beneficial to digital image processing.

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MPEG - 4标准是现在最重要最有影响力的多媒体数据压缩编码国际标准之一，基于对象的编码思想使其具有高压缩比、可扩展性、可交互性等许多优点。

MPEG-4 is one of the most influence multimedia data coding standard. The video object method makes it have higher compression ratio, flexible, interactive characteristic.

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MPEG - 4是现在最重要最有影响的多媒体数据压缩编码国际标准之一，基于对象的编码思想使其具有高压缩比、可扩展性、可交互性等许多优点。

Among them, MPEG-4 plays an important role in the multimedia field. Due to its object-based idea, it has the virtue of high compression ratio, scalability, interactivity with users and so on.

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