【摘要】 根据J.C.Nunes等提出的二维经验模式分解(BEMD)的基本思想,对高分辨率的图像分解提出了一种改进的BEMD方法。该方法按照图像极值点的分布将图像划分成若干块,分块处理,避免了求解大型线性方程组以及大矩阵产生,较好地降低了时间复杂度和空间复杂度。更多还原

【Abstract】 In order to deal with high resolution images,the bidimensional empirical mode decomposition(BEMD) method introduced by J.C.Nunes et al is improved.To avoid solving large linear equations and calculating large matrix,the image is split into several blocks and every block is processed individually.In this way,the time and space complexities have been greatly lowered.更多还原