How to add uniform noise to an image using imnoise. is there defind Description like 'gaussian', 'speckle' etc.

How to add uniform noise to an image using imnoise. is there defined Description like 'gaussian', 'speckle' etc.

Answer 1

[Walter Roberson]

imnoise() does not support uniform noise.

NewImage = OldImage + scale * rand(size(OldImage));

where scale is the maximum magnitude you want to use.

Note: if the image is a floating point data class, you should use

NewImage = min(1, OldImage + scale * rand(size(OldImage)));