please explain size function in MATLAB

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tina jain
tina jain on 18 Oct 2017
Answered: Image Analyst on 18 Oct 2017
if(size(img,3) == 1) disp('Error: Pick a color image'); return;

Answers (1)

Image Analyst
Image Analyst on 18 Oct 2017
size(img,3) returns the number of color channels in an image. It will be 1 for a gray scale image and 3 for an RGB image. That should explain it (why they ask for a color image if the program was given a gray scale image).

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