Need to set all channels(RGB) into 0 of a particular pixel in a RGB image

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Piyum Rangana
Piyum Rangana 2017-3-5
评论： Jan 2017-3-6
How I set all channels(RGB) into zero of a particular pixel in a RGB image ?

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Jan
Jan 2017-3-5
编辑：Jan 2017-3-5
img = 0.6 + 0.4 * rand(30, 20, 3); % Test image with light colors
pixel = [12, 17];
img(pixel(1), pixel(2), :) = 0;
figure;
image(img);
Not the pixel at position (12, 17) is black.

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