Extract the YIQ colour planes.

 

function call:

[out_img1]=vsg('RGBToYIQ',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 YIQ colour space. The first colour channel is the Y component, second is the I component and third is the Q colour channel.

 

Example:

img = openimage('lake.jpg');

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

 

Notes:

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