Program Gaussian, Garam Merica, Derau Periodik, Filter Aritmatik & harmonik
Coding: function [g] = gaussian(f, sigma, mu) if nargin < 3 mu = 0; end if nargin < 2 sigma = 1; end [m, n] = size(f); g = double(f); for i=1 : m for j=1 : n derau = randn * sigma + mu; g(i,j) = round(f(i, j) + derau); if g(i,j) >= 255 g(i,j) = 255; elseif g(i,j) <= 0 g(i,j) = 0; end end end g = uint8(g); end f = imread('c:\image\foto.png'); g = gaussian(f, 150); % function [a] = gamer(f, probabilitas) if nargin < 2 probabilitas = 0.05; end; [M, N] = size(f); a = double(f); for I=1 : M for J=1 : N nilai_acak = rand; if nilai_acak <= probabilitas / 2 a(I,J) = 0; elseif (nilai_acak > probabilitas / 2) && ... (nilai_acak <= probabilitas) a(I,J) = 255; end end end a = uint8(a); end f = imread('c:\image\foto.png'); a = gamer(f, 0.05); % function [b...
