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applying wiener filter to image which is degraded .
Code:

    
%% apply wiener filter .
     clc;
    
     newImageRGB 
= imread('saturn.png');
     %% convert image to gray level
     grayImage 
= rgb2gray(newImageRGB);
     figure;
     imshow(grayImage);
     
     
%% adding noise to image .
     afferNoise = imnoise(grayImage,'gaussian',0,0.025);
     figure;
     imshow(afferNoise)
     %% applying wiener filter ot image.
     afterWiener = wiener2(afferNoise,[6 6]);
     figure, imshow(afterWiener)
 





Attachments:
File comment: original image
image1.PNG
image1.PNG [ 79.08 KiB | Viewed 15091 times ]
File comment: image with noise
image2.PNG
image2.PNG [ 155.27 KiB | Viewed 15091 times ]
File comment: after wiener filter
image3.PNG
image3.PNG [ 160.07 KiB | Viewed 15091 times ]

_________________
M. S. Rakha, Ph.D.
Queen's University
Canada
Author:
Mastermind
User avatar Posts: 2715
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