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資源簡(jiǎn)介

圖像的各向異性擴(kuò)散,利用matlab實(shí)現(xiàn)Perona_Malik算法,梯度閾值K通過(guò)對(duì)圖像求解2-范數(shù)的方法迭代獲得

資源截圖

代碼片段和文件信息

close?all
clear
clc

%原始圖像的讀取與顯示
im=imread(‘lenna.bmp‘);
imshow(im);
title(‘原始圖像‘);

%?%高斯低通濾波得到模糊圖像
%?h=fspecial(‘gaussian‘[33]1);%高斯低通濾波器(采用3*3的模板,標(biāo)準(zhǔn)差為1(默認(rèn)的為3*3模板,標(biāo)準(zhǔn)差為0.5))
%?imA=imfilter(imh);
%?figure;
%?imshow(uint8(imA));
%?title(‘模糊圖像‘);

%添加高斯白噪聲
imB=imnoise(im‘gaussian‘00.003);
SNR(imimB)
%imB=imA+randn(size(imA))*5;
figure;
imshow(imB);
title(‘含噪圖像‘);


PM_image=PM(imB100.022);
SNR(imPM_image)
figure;
imshow(uint8(PM_image));
title(‘10次迭代后的效果圖‘);

PM_image=PM(imB500.022);
SNR(imPM_image)
figure;
imshow(uint8(PM_image));
title(‘50次迭代后的效果圖‘);

PM_image=PM(imB1000.022);
SNR(imPM_image)
figure;
imshow(uint8(PM_image));
title(‘100次迭代后的效果圖‘);


?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件??????66616??2010-07-04?10:47??Perona_Malik\lenna.bmp

?????文件????????816??2010-07-07?18:39??Perona_Malik\main.asv

?????文件????????816??2010-07-07?18:39??Perona_Malik\main.m

?????文件???????1612??2010-07-07?15:25??Perona_Malik\PM.m

?????文件????????201??2010-07-07?18:34??Perona_Malik\SNR.m

?????目錄??????????0??2010-07-09?16:15??Perona_Malik

-----------?---------??----------?-----??----

????????????????70061????????????????????6


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