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针对二维主元分析(Two-Dimensional Principal Component Analysis,2DPCA)和独立元分析(Independent Component Analysis,ICA)的特点,给出了二维独立元分析(Two-Dimensional Independent Component Analysis,2DICA)的概念。在2DICA算法的基础上,提出了基于小波变换(Wavelet-Transform,WT)的2DICA(Wavelet-Transform and Two-D