applying wiener filter to image

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 [ 79.08 KiB | Viewed 16960 times ]

File comment: image with noise

image2.PNG [ 155.27 KiB | Viewed 16960 times ]

File comment: after wiener filter

image3.PNG [ 160.07 KiB | Viewed 16960 times ]

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M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
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Posts: 2715
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