One of VQ image coding method used in the low frequency subband-the unbalanced tree-structured VQ is presented in this paper.

文章介绍一种图像低频子带编码的矢量量化方法—非对称树结构矢量量化。

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The image coding method based on fractal theory is firstly proposed by Barnsley in 1988, which is developed from mathematical theory called Iterated Function Systems (IFS).

其中，基于分形理论的图像编码方法以其编码思想新颖、高压缩比、多分辨率、快速解码等优点受到了广泛关注。

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An image coding method is introduced in the field of image engineering which is a new and efficient image coding technique i. e. Embedded zero-tree wavelet EZW image coding.

介绍了图像工程领域里新颖有效的嵌入式零树小波ezw图像编码方法。

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