Compute the highest grey level from the input image.

 

function call:

[num1]=vsg('HighestGrey',in_img1);

Arguments:

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

 

Description:

num1 – a double representing the highest greyscale intensity for the image.

 

Example:

img1 = openimage('lake.jpg');

[num1]=vsg('HighestGrey',img1)

 

num1 =    255

 

Notes:

1. For DICOM images, the function finds the highest value across all slices.

2. For RGB images, the function finds the highest value across all colour planes.