applying wiener filter to image
Sat Apr 09, 2011 10:41 pm
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
-
- original image
- image1.PNG (79.08 KiB) Viewed 16952 times
-
- image with noise
- image2.PNG (155.27 KiB) Viewed 16952 times
-
- after wiener filter
- image3.PNG (160.07 KiB) Viewed 16952 times
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