a = imread(‘picture.jpg’); imshow(a);

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Presentation transcript:

a = imread(‘picture.jpg’); imshow(a); Images Loading an image: a = imread(‘picture.jpg’); imshow(a);

Images Image (=matrix) size: size(a): 384 512 3 R G B 384 512

Images Color image: 3D Matrix of RGB planes

Images Show RED plane: a(:,:,2:3) = 0; imshow(a);

Images Show GREEN plane: a(:,:,[1 3]) = 0; imshow(a);

Images Show BLUE plane: a(:,:,1:2) = 0; imshow(a);

Advanced: Shuffling columns Images Advanced: Shuffling columns rn = rand(1,512); [rn1,i] = sort(rn); b = a(:,i,:); imshow(b);

Images