Hi On Tuesday 22 October 2002 16:37, Guillermo S. Romero / Familia Romero wrote: > michaelni@xxxxxx (2002-10-22 at 0048.04 +0200): > > i changed Y,Cb,Cr to brightness, blueness, redness in the patch on the > > bug-report, that should be more descriptive > > I always heard Y to be luminance, not brightness, and never heard yes its called luminance most often AFAIK, but according to (http://www.inforamp.net/~poynton/notes/colour_and_gamma/ColorFAQ.html) the correct term would be luma > people using redness, just Cr. Remembering which version was used > could be nice (important? a time saver?), so for the image names I > think they could be luminance_y709, redness_cr470, blueness_cb470f > and so on. agree, this would be better, do u want me to fix it & resend the patch? i guess not, for this small change [...] Michael