about 4 years ago
gaussian.m
myfilter = fspecial('gaussian',[3 3], 0.5);
myfilteredimage = imfilter(unfilteredimage, myfilter, 'replicate');

Reference: http://stackoverflow.com/questions/2771114/gaussian-smoothing-in-matlab
http://www.mathworks.com/help/images/ref/fspecial.html

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