RE: perceptual differences in Lab deltaE
RE: perceptual differences in Lab deltaE
- Subject: RE: perceptual differences in Lab deltaE
- From: Roger Breton via colorsync-users <email@hidden>
- Date: Tue, 7 Jan 2020 19:56:20 -0500
Wire,
My next question is whether those 14-bit LUTs are programmable in any way? Is
the Dell version of i1Profiler able to access that part of the monitor's memory
during calibration? Are DispCal/Argyll able to access that part of the
monitor's memory during calibration? Or is it proprietary? I guess the same can
be asked of the NECs and the Eizo's? I confess my ignorance in this matter but
it is a fascinating part of these monitor's technologies.
Sorry for the model display number in my earlier reply...
/ Roger
-----Original Message-----
From: colorsync-users
<colorsync-users-bounces+graxx=email@hidden> On Behalf Of Wire
~ via colorsync-users
Sent: Tuesday, January 7, 2020 7:20 PM
To: 'colorsync-users?lists.apple.com' List <email@hidden>
Subject: Re: perceptual differences in Lab deltaE
Roger,
the UP2516D interfaces are indeed 10 bit with a 14-bit internal LUT. So back to
interest in Dell's cal and 3rd party support. Eat that NEC.
https://www.displayspecifications.com/en/model/da704af
Appears ArgyllCMS has long supported 10-bit graphics.
Modern OS will drive it as such, but I'm connecting via DVI-D to HDMI which is
limited to 8 bpc. This old NVidia has HDMI and DP so there's a possibility that
I can swap to DisplayPort and get 10 bits.
Seems unneeded as 8 looks smooth, but a bit here, a bit there, pretty soon
you're talking real bits.
/wire
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