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A Total Variation Denoising Method Based on Median Filter and Phase Consistency

机译:基于中值滤波器和相位稠度的总变异去噪方法

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摘要

The total variation method is widely used in image noise suppression. However, this method is easy to cause the loss of image details because of over-smoothing, so it is sensitive to the value of parameters. In this work, the total variation method has been modified using a diffusion rate adjuster based on the phase congruency and a fusion filter of median filter and phase consistency boundary, which is called “the MPC-TV method”. Experimental results indicate that MPC-TV method is effective in noise suppression, especially for the removing of speckle noise. It can prevent the image from over-smoothing, especially when the iteration time is larger than the best value. Therefore, it helps to improve the robustness of parameters of TV method to noise variance.
机译:总变化方法广泛用于图像噪声抑制。但是,这种方法由于过平滑而易于导致图像细节丢失,因此对参数的值敏感。在这项工作中,使用基于相位的相金的扩散速率调节器和中值滤波器和相一致性边界的融合滤波器来修改总变化方法,称为“MPC-TV方法”。实验结果表明,MPC-TV方法在噪声抑制中有效,特别是用于去除斑点噪声。它可以防止图像过平滑,特别是当迭代时间大于最佳值时。因此,它有助于提高电视方法参数的稳健性噪声方差。

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