fügen sie ein bild ihrer wahl in den blauen bzw. grünen hintergrund des bildes ein, ohne den rest des bildes zu verändern. in matlab

main.m
% read the background image with blue color
bg = imread('background.jpg');

% read the foreground image that you want to insert in the blue background
fg = imread('foreground.jpg');

% obtain the binary mask for the blue color in the background image
mask = chromakey(bg, [0 0 255]);

% invert the mask to select the non-blue pixels
inv_mask = ~mask;

% use the mask to overlay the foreground image onto the background image
result = bg;
result(repmat(mask, [1 1 3])) = fg(repmat(inv_mask, [1 1 3]));

% show the result
imshow(result)
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