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Scratch what I said earlier, haha the numerical value can detect white and Blue, but not green or red or black. haven't tried all the colors but still, great job!
Hi! I love your work!
I got curios and messed around with the codes, in this line..
diff_im = imsubtract(data(:,:,1), rgb2gray(data));
change the numerical value 1 to 2 and 3..
the value of 3 can detect color white. while value of 2, I couldn't detect anything.
can you tell me how to detect other colours?
or much better tell me where you learned this. thank you your work is awesome! keep it up! :)