Image processing noise problem

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Ali Umur Kucur
Ali Umur Kucur 2020-4-22
回答： Bhargavi Maganuru 2020-4-27
I tried to write the code that will run SaltPepperNoise but I am making an error where can you help if it is not working.
I press run in the editor, but pause is stuck.
x=imread('PEPPERS.TIF');
x=im2double(x);
[row,col]=size(x);
for i=1:row
for j=1:col
N=floor(rand(1000,1000)+0.01)*255;
end
end
subplot(1,2,1)
imshow(x);
title('original');
subplot(1,2,2)
imshow(N);
title('SaltPeperImage');

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回答（1 个）

Bhargavi Maganuru
Bhargavi Maganuru 2020-4-27
The variable N inside the loop is changing everytime and finally N is just a number.
To add salt and pepper noise to image, you can use imnoise function.
For more details follow the link https://www.mathworks.com/help/images/ref/imnoise.html#d120e138500

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