2.2 非线性扩散模型 Perona和Malik[1]首先将各向异性扩散方程(anisotropic diffusion equation)引入图像处理，其提出了传导系数可变的异性扩散方程： () 其中为散度算子，为梯度算子。
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An improved method based on anisotropic diffusion equation was proposed.
提出了一种基于各向异性扩散方程的改进方法。
IN this paper, a new method which is based on anisotropic diffusion equation for INSAR phase noise reduction is proposed.
该文提出了一种基于各向异性扩散偏微分方程抑制干涉合成孔径雷达(INSAR)相位噪声的算法。
An algorithm based on the anisotropic diffusion equation is presented to suppress the speckle noise of B-Scan ultrasound image.
提出了一种基于各向异性扩散方程的B超图像斑点噪声抑制的算法。
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