Find the indices of a pixel in am image through RBG value and sort that indices in a 2d matrix

Quinn asked: 2020-10-23 image processing, rbg image

Need help finding pixel indices in an image based on RGB values? This MATLAB resource shows you how! Learn to sort those indices into a 2D matrix. Get the code

Expert Answer

Kshitij Singh answered . 2025-07-30 04:23:31

Something like this

img; % 16x24x3
x = reshape([237,28,36], 1, 1, []);
mask = all(img==x, 3)

mask is a 2D logical matrix.

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