在卫星图像分类编码应用中，我们发现其编码效率体现的不明显。
However, we found that it is not apparently efficient for the original VSC to be applied to satellite image coding.
新算法采用分类码书设计和残留编码，大大提高了图像的客观指标和主观视觉效果。
The new algorithm, including the sorting codebook design and the remains coding, greatly improves the objective level and the subjective visual impression.
本文提出了图像EZW编码中一种新的分类算法。
This paper introduces an improved classification algorithm of wavelet coefficients in image coding using EZW.
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