Add a Noise on Image Matlab Example | Matlab Predefined Noise methods

In image we have add more noises on Matlab .In matlab have following type of predefined noise methods are there.

• Gaussian
• Localvar
• Poisson
• Salt & pepper
• Speckle

and there basic syntax as follows
noise_img = imnoise(input_img,noise_type) noise_img = imnoise(input_img,noise_type,noise_parameters)

In below give the example for add a noise on Image.

input_img = imread('vivekananda.jpg');
figure;imshow(input_img);
noise_img = imnoise(input_img,'salt & pepper',0.02);
figure;imshow(noise_img);

output as follows

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