Question
How to I apply a 7 x 7 Gaussian blurr operator with standard deviation of 1.6 and downscaled by a factor of 3 ? I tried to write this code but got error. K = imread('baboon.png'); h = fspecial(K, 'gaussian',[7 7],1.6); downSample = imresize(h, 0.33); % downSample by factor of 3 imshow(downSample); How do i achieve this ?
Expert Answer
Prashant Kumar
PhD Expert
Answered Aug 29, 2026
You need to look at the documentation when the error say "too many arguments". Several of your arguments were wrong. Here is the fixed code:
rgbImage = imread('peppers.webp');
kernel = fspecial('gaussian', [7 7], 1.6);
blurredImage = imfilter(rgbImage, kernel);
downSample = imresize(blurredImage, 1/3); % downSample by factor of 3
imshow(downSample);
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