This technique solves the problem between the compress ratio and image quality and significantly saves transmission time and storage space.

该技术很好地解决了压缩比和图像质量之间的矛盾，可观地节省了传输时间和存储空间。

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MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.

MPEG4是一种压缩率高、对传输带宽要求低、图像质量高的图象编码技术。

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The experiment result shows that this approach can keep the quality of images , and compress each layer to a good ratio . So it is useful in multi-layered image compressing and transmission.

实验结果表明本文算法在确保重构图像较高质量的前提下，各层图像都实现了较高的压缩比率，对图像的分层压缩与传输的实现具有较高的实用价值。

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