[argyllcms] Re: Eizo Internal LUT access with Argyll?
- From: Matthieu DUBAIL <matthieu.dubail@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Tue, 18 Oct 2011 15:09:42 +0200
Very interesting. Did you found those informations in a white paper?
So from what I understand, Eizo did changed their internal display LUT from
1D LUTS to 3D LUTS. I do understand that Graeme don't want to spend time on
ever changing proprietary technologies. :)
thanks!
Matthieu DUBAIL
matthieu-dubail.com
Paris, 4ème
2011/10/18 Sam Berry <samkberry@xxxxxxxxxxxxxx>
> It's also worth noting that regardless of gradation precision, in-monitor
> gamut transformation requires linearisation, which means that the monitor
> must know the input tone curve. A calibration done with LUTs before this
> stage means that any linearisation performed can only be an approximation.
> The calibration will also need to be redone for each gamut transformation
> selection.
>
> It should also be noted that modern internal LUT monitors (inc Eizo now)
> feature 3D LUTs which allow printer colour spaces to be emulated, and I am
> not aware of any graphics card with similar features at this time. A well
> specified tone curve is essential for this emulation to be meaningful, and
> once you have monitor communication too specify it, you may as well use
> internal LUTs too.
>
> Sam Berry
>
>
> On 17 October 2011 16:03, Matthieu DUBAIL <matthieu.dubail@xxxxxxxxx>wrote:
>
>> Thanks for the answer.
>> Anyway, how usefull do you think internal display LUT are? Are they really
>> superior o video card LUT ? Just wondering
>>
>> Matthieu DUBAIL
>> matthieu-dubail.com
>> Paris, 4ème
>>
>>
>>
>> 2011/10/11 Graeme Gill <graeme@xxxxxxxxxxxxx>
>>
>>> Matthieu DUBAIL wrote:
>>> > I was wandering if Argyll can access to Eizo internal monitor LUT (Eizo
>>> > CG211). If so, how?
>>>
>>> Hi,
>>> no, Argyll doesn't access display LUTs.
>>>
>>> >>From what I read from the mailing list archives, it can't, but the post
>>> was
>>> > 2 years old. Any news?
>>>
>>> I don't have a Eizo to reverse engineer, so this is unlikely to change.
>>>
>>> Graeme Gill.
>>>
>>>
>>>
>>
>
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