JPEG2000 is a new image compressing standard, it has the characteristic of high compression ratio and low distortion.

JPEG2000是一种新的图像压缩标准，具有高压缩率、低失真度和灵活高效的特点。

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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.

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。

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Practical application indicate, sow on the basis of MPEG-4 standard and IP multicast system of technology have in high compression rate, high network width utilization ratio, etc. characteristic.

实际应用表明，基于MPEG - 4标准和ip组播技术的系统具有更高的压缩率、更高的网络带宽利用率等特点。

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The up-and-coming HEVC standard (also known as H.265), besides other qualitative benefits, can also increase data compression ratio by up to 2X as compared to H.264.

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