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.