Re: [Gimp-developer] Re: YCbCr (de)compose support [PATCH]

2002-10-22 Thread Michael Niedermayer
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]

2002-10-22 Thread Sven Neumann
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]

2002-10-22 Thread Michael Niedermayer
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