Re: [Gimp-developer] Re: YCbCr (de)compose support [PATCH]
Hi On Tuesday 22 October 2002 18:09, Sven Neumann wrote: > Hi, > > Michael Niedermayer <[EMAIL PROTECTED]> writes: > > > 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 > > you would save us some work by attaching a "fixed" version of your > patch to the bug-report you opened for it. done [...] Michael ___ Gimp-developer mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-developer
Re: [Gimp-developer] Re: YCbCr (de)compose support [PATCH]
Hi, Michael Niedermayer <[EMAIL PROTECTED]> writes: > > 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 you would save us some work by attaching a "fixed" version of your patch to the bug-report you opened for it. Salut, Sven ___ Gimp-developer mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-developer
Re: [Gimp-developer] Re: YCbCr (de)compose support [PATCH]
Hi On Tuesday 22 October 2002 16:37, Guillermo S. Romero / Familia Romero wrote: > [EMAIL PROTECTED] (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 ___ Gimp-developer mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-developer