Normalize (0-255) opponent process colour channels. Used to view the normalized colour (unsaturated) channels.

 

function call:

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

 

Arguments:

in_img1 - input image, 3 channel RGB, 1 channel greyscale or binary image which is in a LAB colour space. The first colour channel is RG, second is BY and third is WB colour channels.

 

Description:

out_img1 – an image with the same dimensions as the input image which is the input image with values normalised to the range of {0-255} on all three channels.

 

Example:

img = openimage('lake.jpg');

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

[out_img1]=vsg('ViewOpp',out_img1);

 

Notes:

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