MATLAB: Change the intensity of blue in a .jpg

.jpgblueImage Processing Toolboxintensityrgb

Hello, how do I change the blue intensity of a .jpg so that the new image is combination of rg and the new b. Thanks.

Best Answer

% Extract the individual red, green, and blue color channels.
redChannel = rgbImage(:, :, 1);
greenChannel = rgbImage(:, :, 2);
blueChannel = rgbImage(:, :, 3);
% Now change the blue channel in whatever way you want.
blueChannel = whatever.........
% Then recombine into the new color image.
rgbImage = cat(3, redChannel, greenChannel, blueChannel);
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