Normalizing pixel colours of an RGB image

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Riccardo Rossi
Riccardo Rossi 2023-5-27
评论： Image Analyst 2023-5-27
Hello,
I need to normalize an RGB image by replacing each channel (RED, GREEN and BLUE) of each pixel with the following values:
RED=RED/(RED+GREEN+BLUE)
GREEN=GREEN/(RED+GREEN+BLUE)
BLUE=BLUE/(RED+GREEN+BLUE)
How can I do it? Thank you so much!
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Riccardo Rossi
Riccardo Rossi 2023-5-27
Hi, I am reading the image into Matlab as a 3888x2592x3 uint8.
Image Analyst
Image Analyst 2023-5-27
If that Answer solves your original question, then could you please click the "Accept this answer" link to award the answerer with "reputation points" for their efforts in helping you? They'd appreciate it. Thanks in advance. 🙂 Note: you can only accept one answer (so pick the best one) but you can click the "Vote" icon for as many Answers as you want. Voting for an answer will also award reputation points.

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采纳的回答

DGM
DGM 2023-5-27
Ran in:
inpict = imread('peppers.png'); % uint8
inpict = im2double(inpict); % unit-scale float
outpict = inpict./sum(inpict,3); % all at once
imshow(outpict) % done

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