Vladimir Gajic wrote: > One question at the end about the fwa content calculated by -f: How is the > figure to be > interpreted? Can we talk about percentage (e.g 0.5 = 5% or 0.5%), or is it a > dimensionless > number related to the specific algorythm? Hi, it's the latter. It's for diagnostics, but gives some idea of whether FWA is detected, and how much. > Haven't read your paper on the issue yet ;) There are two papers - one for the original FWA work I did in 2003, and the one I did last year on illumread. Graeme Gill.