On 18/01/13 17:58, Richard Hughes wrote:
> I'm wondering about the basics of what gamma is and also how to
> measure it. Some of the questions I'm asking myself:
>
> * on real life hardware, can we assume gamma_red == gamma_blue == gamma_green?
I'd say 'mostly', but it depends on the device as to
Richard Hughes wrote:
> Yes, an interesting read, thanks. It doesn't seem to address the fact
> that LCD displays can't show absolute black -- so the nice graphs
> showing a power curve that goes through (0,0) is wildly different to
> reality.
Yes. The only reference to this I'm aware of in indust
Richard Hughes wrote:
> I can't find much up-to-date technical literature on display gamma
> (anything written in the last 5 years) so if anybody can point me at
> anything in Amazon or a research journal that a human being could
> understand I'd appreciate it.
Charles Poynton is the name to look
On 18 January 2013 21:29, Marti Maria wrote:
> This is from more than 5 years, but still valid and very good. It answers
> many of your questions.
Yes, an interesting read, thanks. It doesn't seem to address the fact
that LCD displays can't show absolute black -- so the nice graphs
showing a powe
Hi Richard,
This is from more than 5 years, but still valid and very good. It
answers many of your questions.
http://www.poynton.com/GammaFAQ.html
Regards
Marti
El 18/01/2013 18:58, Richard Hughes escribió:
> Hey all,
>
> I've had a chance to look more at the problem of display gamma
> recent
Hey all,
I've had a chance to look more at the problem of display gamma
recently. It seems there is quite a lot of misinformation out there,
and very little in the way of standards that are actually applicable
to the technology we have now. Theory is diverging from practise in a
number of areas, f
