RGBToLAB

Extract the Lab colour planes.

 

function call:

[out_img1]=vsg('RGBToLAB',in_img1);

 

Arguments:

in_img1 - input image, 3 channel RGB, 1 channel greyscale or binary image.

 

Description:

out_img1 – an image with the same dimensions as the input image, which has been transformed into a LAB colour space. The first colour channel is the luminance, second is “A” and third is the “B” colour channels.

 

Example:

img = openimage('lake.jpg');

[out_img1]=vsg('RGBToLAB',img);

 

 

Notes:

For single channel images, the single channel image is returned as is.

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