Ben Goren wrote: > Graeme, might there be some way to add an option or some other tweak to > automatically > ignore outliers beyond a certain standard deviation, or the like? Hi, that's the type of thing that "tiffgamut -f perc" is meant to do. It filters by popularity. So the idea is that you would routinely use something like "tiffgamut -f 90", so that the image gamut represents 90% if the image content. I really need more feedback to add anything else or change how this works - ie. some examples in which this works poorly, and in which a different statistical approach might work better. Graeme.