新的方向滤波器组具有良好的方向和频率选择性。
The new DFB can provide good directional and frequency selectivity.
构造了由非抽样塔式分解和方向滤波器组实现的冗余轮廓波变换。
The redundant contourlet transform implemented by undecimated pyramidal decomposition and directional filter bank is proposed.
人们相继提出了许多基于方向滤波器组的几何图像变换方法。
Recently, some geometrical image transforms based on the DFB have been introduced.
实验表明，在不同的分解级，金字塔复方向滤波器组的每个子带系数也都是符合GGD模型的。
The experiments show that the coefficients of PDTDFB transform is accorded with the GGD model at different decomposition level.
实验表明，在不同的分解级，金字塔复方向滤波器组的每个子带系数也都是符合GGD模型的。
The experiments show that the coefficients of PDTDFB transform is accorded with the GGD model at different decomposition level.
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