The digital image compression technology, the key technology in the multimedia applications, the international standards and chips about compression are illustrated in this paper.

阐述了多媒体应用中的关键技术——数字图像压缩技术，及有关压缩的国际标准和芯片。

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The key point in the multimedia network in campus is the application of the image compression and the image communication technology.

校园多媒体网络中关键是图像压缩和图像通信技术的应用。

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So the digital image compression technology and the digital image encryption technology have been born and applied in many field, such as multimedia, communication, medicine and so on.

数字图像压缩技术和数字图像加密技术应运而生，并且被广泛应用到多媒体、通讯、医学等等各个领域。

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