How do i determine the pixel coordinates of an image using RGB values?

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Varun  Subramaniam
Varun Subramaniam on 10 Dec 2019
For example: i'd like to get the coordinates of the pixels with R values from 230 to 250.

Answers (1)

JESUS DAVID ARIZA ROYETH
JESUS DAVID ARIZA ROYETH on 10 Dec 2019
image=imread('peppers.png');
R=image(:,:,1);%red chanel
[x,y]=find(and(R>=230,R<=250));%here coordinates

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