This method is an analytic scheme of fractional steps for convection operator and for diffusion operator respectively.
其主要特点是：采用分步方法，对对流算子与扩散算子分别解析求解。
Experiments also show that selecting suitable symmetrization normalization techniques while forming the diffusion operator is important to hyperspectral imagery representation.
实验也表明，选择合适的对称化方法规范扩散算子对于最终的高光谱影像表示有重要的影响。
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