How do I convert rgb to Lab and display only a* layer with matlab?

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I want to get a* layer to continue processing.

Accepted Answer

Jarrod Dowdall
Jarrod Dowdall on 16 Aug 2019
Perhaps the easiest way would be to use the function rgb2lab() in matlab. Note that you will need the Image Processing Toolbox.
Lab = rgb2lab(rgb);
a = Lab(:,:,2);
I hope that helps you get started.

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