Estimation of nutrient export coefficient from different land use types in xitiaoxi watershed 西笤溪流域不同土地利用类型营养盐输出系数估算
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It ' s reviewed for the coefficient classification of existing wavelet image encoding technologies . wavelet coefficient is clustered with gray structuring elements dilation and outputted in the form of fractional bit plane according to the different significance . zero tree structure is used to employ cross - subband dependency to promote the coding effort 在对现有的小波编码器对系数的分类方法的分析下，通过灰度结构元的形态学膨胀运算对小波系数进行更细的聚类分析，按照重要性的不同以分数比特平面的形式输出系数，通过零树结构开发带间相关性。
