Apply a mean filter on a matrix
How can i apply a mean or laplacian or average or any kind of filters 3x3 on any matrix i give it to it and get the new matrix ? What is the code for it
John Michell answered .
2025-11-20
How about imfilter()
filterWindow = ones(3) / 9; filteredImage = imfilter(m, filterWindow);
Or for the Laplacian, how about conv2():
filterWindow = -1 * ones(3); filterWindow = 8; filteredImage = conv2(m, filterWindow, 'same');