On Fri, February 12, 2010 11:30, PhotoRoy6@xxxxxxx wrote: > > I think they are making direct matches. When they say content I think they > mean if you load a picture of a handbag they don't look for handbags but > only for your specific image of a handbag. So they are searching for a > pattern that looks exactly like your pattern (your image). I assume they > are > looking at 0 and 1 but there may be other ways to do this. They're clearly not looking for an exact match. I suspect it's something on the order of a much-reduced size and then some kind of "degree of difference" metric; but it may be something more sophisticated. -- David Dyer-Bennet, dd-b@xxxxxxxx; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info