Online Help:

Usage: /vol/vssp/local/trees/amma-4/linux/bin/Colour [options] 
   -optload () [] Load options from a file.  
   -optsave () [] Save options to a file.  
   -i () [] Input colour image
   -o (rgb) [rgb] Output file names
   -d (FALSE) [FALSE] save as double image
   -w (9) [9] Window size 
   -help (TRUE) [FALSE] Print usage information. 

Dependancies:
   -i is compulsory.