After the clustering characteristics of image wavelet coefficients' significance distribution in each sub-band was analyzed, run-lengthcoding (RLC) was introduced into SPIHT's output stage.
针对图像小波系数在各子带内显著性分布的聚簇特征,提出了在SPIHT算法的输出环节引入游程编码。
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This paper discusses the scheme of region oriented run-lengthcoding and the judgement of spatial relationship between regions and the access mode of region adjacency graph in computer.