That should read: "Obviously though the majority of the lumimance component is derived from the green channel given that there are 2 pixels for every one of red and blue."
Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
