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Forum: Display Calibration   05-29-2014, 04:05 PM
Replies: 19
Views: 576
Posted By Light Illusion
I have multiple laptops running XP, Win 7 and...

I have multiple laptops running XP, Win 7 and Win 8.1 - all LightSpace obviously.
All use Intel HD3000/4000 graphics chip sets, and all provide perfect HDMI output.

My main calibration laptop is...
Forum: Display Calibration   05-18-2014, 10:31 PM
Replies: 655
Views: 20,132
Posted By Light Illusion
The cube and 1D graph data is actually...

The cube and 1D graph data is actually normalised floating point, so will scale to the level of the image path you use - 0-255, 16-235, 0-1023, 64-940...

So yes, the error was basically totally...
Forum: Display Calibration   05-18-2014, 05:56 AM
Replies: 655
Views: 20,132
Posted By Light Illusion
After a bit of a delay, due to some urgent work...

After a bit of a delay, due to some urgent work for a major display manufacturer, we have at last got around to looking in detail at the evaluations Zoyd performed.
As per the message I sent him...
Forum: Display Calibration   05-17-2014, 03:18 AM
Replies: 2,430
Views: 129,336
Posted By Light Illusion
Larry, I agree with you too! ...

Larry, I agree with you too!

http://files.avsforum.com/images/smilies/biggrin.gif
Forum: Display Calibration   05-17-2014, 03:14 AM
Replies: 47
Views: 1,254
Posted By Light Illusion
Please note that BT1886 doesn't 'emulate CRT' by...

Please note that BT1886 doesn't 'emulate CRT' by default.
The CRT emulation is an annex to the the specification that most just ignore.

Steve
Forum: Display Calibration   05-16-2014, 08:12 AM
Replies: 2,430
Views: 129,336
Posted By Light Illusion
CRTs never had 'zero' blacks - that would give...

CRTs never had 'zero' blacks - that would give an infinite contrast ratio.
All the grade one CRTs we have ever measured had blacks in the region of 0.05 Nits.
Which is actually what a good LCD...
Forum: Display Calibration   05-07-2014, 12:12 AM
Replies: 19
Views: 1,420
Posted By Light Illusion
I'd suggest a read of this as the 'optimal'...

I'd suggest a read of this as the 'optimal' pre-LUT calibration of displays:

http://www.lightillusion.com/display_calibration.html

Steve
Forum: Display Calibration   04-28-2014, 10:05 AM
Replies: 550
Views: 19,923
Posted By Light Illusion
I think the major issue with the 'document' (I...

I think the major issue with the 'document' (I can't call it a 'paper, as no support documentation has been provided, as is standard with and paper presentation) is that Spectracal have gone out of...
Forum: Display Calibration   04-26-2014, 12:39 AM
Replies: 550
Views: 19,923
Posted By Light Illusion
The latest error correction has not been made to...

The latest error correction has not been made to the document, as per the link I sent you directly... this show the results to still be flawed and at best inaccurate, and at worse just marketing...
Forum: Display Calibration   04-25-2014, 02:52 PM
Replies: 550
Views: 19,923
Posted By Light Illusion
Quote:Originally Posted by...

Quote:Originally Posted by derekjsmith http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1462960/eecolor-processor-calman-3d-luts/390#post_24648136)

Two papers on CalMAN's...
Forum: Display Calibration   04-20-2014, 01:26 AM
Replies: 3
Views: 380
Posted By Light Illusion
Not answering your question directly, but we ran...

Not answering your question directly, but we ran many test on the Spyder probes when we integrated with them.

Our findings showed the probes to be very inaccurate, and not at all suitable for...
Forum: Display Calibration   04-14-2014, 12:50 AM
Replies: 0
Views: 120
Posted By Light Illusion
In partnership with our customers we have found,...

In partnership with our customers we have found, and Fujifilm have corrected, a problem with their HDMI output.

If you have an IS-mini please download a new firmware upgrade here:...
Forum: Display Calibration   04-12-2014, 11:16 PM
Replies: 27
Views: 520
Posted By Light Illusion
While Charles Poynton is technically correct, as...

While Charles Poynton is technically correct, as a professional in the film and TV industry I can confirm that we never use Y'UV, or Y'CbCr...
It is just about always written Y, without any quote...
Forum: Display Calibration   04-12-2014, 10:22 AM
Replies: 27
Views: 520
Posted By Light Illusion
The following is basically from a Digital Fact...

The following is basically from a Digital Fact Book I helped write the original version of many years back...

YUV is the convenient shorthand commonly – but incorrectly – used to describe the...
Forum: Display Calibration   04-02-2014, 12:31 AM
Replies: 711
Views: 26,328
Posted By Light Illusion
Please remember the 'Env Variable' is just for...

Please remember the 'Env Variable' is just for Beta Users.

Such tools require our beta user permission to use, as the tools may be detrimental to operation and need our direct support...
Forum: Display Calibration   03-26-2014, 04:32 PM
Replies: 462
Views: 23,127
Posted By Light Illusion
Ted, you have done an amazing amount of work -...

Ted, you have done an amazing amount of work - well done, and congratulations on what must be the most complete calibration disc available!
It really is an amazing tool for the enthusiast and...
Forum: Display Calibration   03-24-2014, 07:57 AM
Replies: 655
Views: 20,132
Posted By Light Illusion
LS already deals with such issues as ABL and...

LS already deals with such issues as ABL and display fatigue.
Unlike other calibration systems we do not expect or demand that profile patch readings are in a +ve order of reading value based on...
Forum: Display Calibration   03-20-2014, 06:51 AM
Replies: 655
Views: 20,132
Posted By Light Illusion
I will repeat what I said earlier - it is very...

I will repeat what I said earlier - it is very common for patches other than 'white' to measure with a higher luminance than the 'white' patch - especially in plasmas, as has been pointed out by...
Forum: Display Calibration   03-19-2014, 03:31 PM
Replies: 655
Views: 20,132
Posted By Light Illusion
There is nothing at all wrong with the LS...

There is nothing at all wrong with the LS profile.
The display is just displaying a brighter luminance with a patch that is not 'white'.
That's common with plasmas, and some LCD screens.
...
Forum: Display Calibration   03-16-2014, 03:25 PM
Replies: 655
Views: 20,132
Posted By Light Illusion
Yeah, the idea is to get the best pre-profiling...

Yeah, the idea is to get the best pre-profiling set-up with the least controls possible.
The 'best' can be accurate, or just close.
It all depends on the actual display.
But you do not want to...
Forum: Display Calibration   03-16-2014, 02:30 PM
Replies: 655
Views: 20,132
Posted By Light Illusion
Quote:Originally Posted by...

Quote:Originally Posted by PE06MCG http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1517849/a-comparison-of-3dlut-solutions-for-the-eecolor-box/450#post_24490363)

Thanks...
Forum: Display Calibration   03-16-2014, 12:26 PM
Replies: 655
Views: 20,132
Posted By Light Illusion
Scott, what you need to do is calibrate a...

Scott, what you need to do is calibrate a display with complex errors, and then verify the result.
As we have said many times, LS is optimised to calibrate display with complex errors, so testing...
Forum: Display Calibration   03-14-2014, 06:27 AM
Replies: 655
Views: 20,132
Posted By Light Illusion
What LS does is actually very optimal, and the...

What LS does is actually very optimal, and the simple mathematical test results posted are exactly as we expect, and as they should be.

The 'processes' used within LS are very deliberately...
Forum: Display Calibration   03-06-2014, 12:35 PM
Replies: 28
Views: 1,110
Posted By Light Illusion
This is some great work - and is very...

This is some great work - and is very impressive!

Nice http://files.avsforum.com/images/smilies/cool.gif

The HSB patch generation is especially nice!

Steve
Forum: Display Calibration   03-06-2014, 03:01 AM
Replies: 655
Views: 20,132
Posted By Light Illusion
The colour engine we uses is indeed 'tuned' for...

The colour engine we uses is indeed 'tuned' for for populated data sets, as sparse sets are not at all viable for accurate final calibration, so there is a 'points limit' at which you will get...
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