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【图像去噪】基于各向异性滤波实现图像去噪附matlab代码
2022-06-12 18:48:00 【Matlab科研工作室】
1 简介
采用各向异性扩散滤波方法,研究图像处理中的去噪问题,通过分析扩散函数和扩散常数对滤波效果的影响,利用图像压缩中判别压缩质量好坏的峰值信噪比作为迭代终止条件,在有效去除图像噪声的同时,能够保持图像的边缘信息不被过度滤除.
2 部分代码
clear;clcs = phantom(512) + randn(512);num_iter = 15;delta_t = 1/7;kappa = 20;option = 2;ad = anisodiff2D(s,num_iter,delta_t,kappa,option);figure, subplot 121, imshow(s,[]), subplot 122, imshow(ad,[])
3 仿真结果

4 参考文献
[1]刘效言. 基于可控滤波器的自适应各向异性扩散方程与图像去噪[J]. 中国科技博览, 2014(30):1.
[2]莫绍强. 基于各向异性扩散滤波的图像去噪研究[J]. 内蒙古师范大学学报:自然科学汉文版, 2017, 46(1):4.
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