Matlab Lecture 4. Spatial Filtering. Image Types in the Toolbox. The Image Processing Toolbox supports four: Basic types of images: Indexed images RGB images Intensity images Binary images. Colored. Gray-scale. Black and white. Summary of Image Types and Numeric Classes.
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The Image Processing Toolbox supports four:
Basic types of images:
Black and white
n = imnoise(i,'salt & pepper‘,0.2);
The default is 0.05
Higher value more noise
>>I = imread('eight.tif');
>>J = imnoise(I,'salt & pepper',0.2);
>>K = medfilt2(J);
>>imshow(J), figure, imshow(K)