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MadVR - ArgyllCMS - Page 33

post #961 of 1680
Quote:
Originally Posted by bmw525i View Post


It's a problem with that 32 bit version you get from this link! I don't know why but that version doesn't work for me either.
I had the same problem like you with my brand new i1 Display Pro :-)
Sorry about that - I've updated http://www.argyllcms.com/insttools_win32.zip to fix the problem.
post #962 of 1680
Is it normal for the color swatches to have faint blocking when displayed via madtpg?
post #963 of 1680
personally I would disable dithering in madVR during calibration especially if using a d3. They have a fairly large aperture and require very uniform illumination to read properly.
post #964 of 1680
madVR doesn't provide an option to disable dithering unfortunately. I think that's what's affecting the i1 Display Pro's readings.

Also, can the .ICM file produced in the first post's procedure be used as a profile + vLUT in Windows Color Management?
post #965 of 1680

open madVR TPG -> right click "MAD" try icon -> edit madVR settings -> rendering -> trade quality for performence -> don't use dithering


Edited by mightyhuhn - 11/16/13 at 7:12am
post #966 of 1680
Ah yeah, found it. I don't think it helped with the large blocky "noise" though...
post #967 of 1680

 

That's also my experience with the madVR TPG. I have found no way to completely eliminate that dithering thing...

 

But as far as I can tell, that doesn't compromise your readings, everything looks fine after all.

post #968 of 1680
For some reason one of my monitors is left with a hint of blue-green and an effective gamma of around 2.36 and I've tried the procedures in the first and second post about 4-5 times now. It's the exact same panel as my other two panels and I wait for an hour for it to warm up before calibrating with the i1 Display Pro. The other panels are spot on after calibrating using the exact same method and procedures.
post #969 of 1680

i got huge artefact's with my madVR 2013-11-16 D6500 Rec. 1886 VF-S XYZLUT 2.4 gamma mapping 3d lut when i use gamma correction with bt709/bt 601 gamma 2.4 it looks way more neutral in non dark scenes but in really dark is just a bunch artefact's.

 

how comes that i think gamma 2.4 looks why better and neutral is like removing a foil from the display. it's about 1/3 as huge correcting limited rgb to full rgb on a full rgb display.

 

i'm now testing with pure power curve 2.4 but is very similar to the original picture, still way better. should i go for a bt 709 cali with bt 709 gamma curve ?

post #970 of 1680
I get dispCalGUI Stopped Working after pressing Calibrate & Profile...
post #971 of 1680
OK, I got it working, but Input Encoding and Output Encoding is not selectable and set to 16-235. My PC, TV, videocard, and madVR are all forced to 0-255... how do I calibrate and profile for 0-255?
post #972 of 1680
The correct setting for madVR 3D LUTs is always 16-235, thus the choice is grayed out.
post #973 of 1680
So, even if my PC, drivers, and TV are all set to 0-255 (100% sure) then I should still use 16-235 in madVR? I calibrated to 0-255...

Also, should created profile include corrections to color gamut? Because in my case it improved RGB WB and gamma, but color gamut stayed the same, in fact some dEs for ColorChecker points are now higher. Does that mean its simply the best my TV can do?

Profile type was madVR. I used created .icm file to apply to my HDTV. Maybe I need to select a different one to have color gamut points improved?


BTW, this seems like an awesome tool, especially for free! Its inanely good! If it could fix color gamut - it would be even better!
post #974 of 1680
The color gamut is corrected when playing through madVR, not windows profile.
post #975 of 1680
WOW! This profile made my already low CR of 1750 go down to 1300... I don't have that great of a TV, so contrast is very precious to me...

It actually did change my color gamut to worse. My 100% saturations have higher dEs...

If it didn't change color gamut in Windows then how did someone just post their HCFR gamut screenshot, saying "This is with Argyll corrections"?

Also, setting madVR to 16-235 makes my blacks way worse, I mean WAY worse. They are now gray.... If I set it back to 0-255 then it looks much better.
post #976 of 1680
Because HCFR can play patterns through madVR
post #977 of 1680
OK, I ran it through the madVR (didn't know it was possible!) and damn - dE 1 was the worst I have noticed! That IS insane! Where can I donate?

I guess that the reason black scenes are not that black is because of the gamma BT.1886 ramp. I read all about it.

So, now I just need to figure out the whole 0-255 thing because setting madVR to 16-235 produces a horrible image. 0-255 is much better...

What do I do about the contrast? Should I just increase it to the max and then let Argyll and dispCalGUI do their thing and determine the best setting?

I luckily created 2 profiles - one for games and one for watching movies, so I can play around with one and leave alone the other!
Edited by MonarchX - 11/16/13 at 1:47pm
post #978 of 1680
The correct settings in madVR for a 0-255 display are (under properties of the display) "the display expects the following RGB output levels:" "PC levels (0-255)"
post #979 of 1680
Holy miracle! I can see considerable difference between my own calibration, which was rather good IMO

Before 3D LUT




After 3D LUT




HUGE thanks to all those who patiently listened to my crazy impatient ramblings, questions, rants, and comments!

Excellent, except I went from CR 1800:1 to 1640:1.

In your honest opinion, given my low CR, is it worth it to use 1650:1 with such resoluts or should I stay with 1800:1?
post #980 of 1680
-What settings should I use if I want to create a 3D LUT with regular 2.2 REC.709 gamma? White/black level drift compensation?
-Should I use the same "Absolute colorimetric with white point scaling" and "Apply Calibration" ?
-For REC.709 2.2 gamma 3D LUT, should I pick Rec709 or Rec709_Gamma22 ICC profile?
-Should LCD owners use Spectral CCFL correction when creating any 3D LUT files?

I know these seem stupid, but I learned that with calibration, you never really know unless you know for sure!
post #981 of 1680
So I used the same settings as in the original post, but I selected Rec.709 in dispcalGUI main window instead of BT.1886, I also selected Rec.709 from Source Profile during 3D LUT creation. The result was horrible! My contrast ratio went from 1850:1 to 650:1! What is up with that? The image obviously looks crap... I then selected g Rec.709_Gamma22 from Source Profile, but the result was the same.

Did I do something wrong? The only difference between two calibrations was BT.1886 gamma for the first calibration and Rec.709 gamma for the second one. The first calibration provided me with CR 1650:1 and the second one got me 650:1! Is it not easier to calculate regular 2.2 gamma nstead of BT.1886 gamma?

I have a feeling that this may have somethinig to do with dispcalGUI forced 16-235 for all madVR profiles. madVR supports 0-255 quite well. Is there a way to create a 3DLUT for madVR using non-madVR settings that can allow users to set 0-255 range.

Also, is it true that properly calibrated 16-235 may provide a higher contrast ratio than the same set properly calibrated using 0-255 range?
post #982 of 1680

nearly all content available is 16-235. and if madvr think it gets 16-235 you should deliver this... 

 

and the cali is done in 0-255 only the 3d lut is done in 16-235


Edited by mightyhuhn - 11/17/13 at 11:25am
post #983 of 1680
Quote:
Originally Posted by MonarchX View Post

The result was horrible! My contrast ratio went from 1850:1 to 650:1! What is up with that?

Because the effective gamma of the Rec.709 space is 1.96, you should not use it as a gamma target during the calibration step or the LUT building step. Either use BT.1886 or gamma target 2.2, 2.3 etc. When you test parameters you don't understand why are you surprised to get crappy results?
post #984 of 1680
Quote:
Originally Posted by MonarchX View Post

Also, is it true that properly calibrated 16-235 may provide a higher contrast ratio than the same set properly calibrated using 0-255 range?

no, the contrast ratio is determined by the black level of the device which does not change. Readjust brightness if it rises slightly due to the 3dLUT.
post #985 of 1680
How would I go about adjusting brightness to the lowest black within madVR? HCFR does not provide 0-255 black patterns...
Edited by MonarchX - 11/17/13 at 11:41am
post #986 of 1680
You can do it with continuos measures in HCFR and select the 0% level column. Measure and adjust it until minimum bu no lower
post #987 of 1680

did some one know how to fix a broken 3d lut creater tool?

 

http://abload.de/img/3dlutwutimfp7.png

 

reinstalling / reseting to default did nothing. i even searched in the registry.

 

at the moment i try to get an 3d lut for my vg248 with lightboost hack.

 

the problem with this display is that it shows 120 normal frames and use backlight strobing between each frame and i can only change the strobe time and the contrast. so i switch to refresh (generic) and tried it and got this http://abload.de/img/vg248lkuz4.png

 

at the moment the white is way to red when loaded in windows.

 

did some on got a tip for this led lcd "crt" display

post #988 of 1680
HCFR is acting very funky... Continous Reading does not work, it does not update values at all. I selected 0 tab for gray test and for black test, but it does not update the values... Also acts very slow.

I managed to lower the blacks using TV settings, which made me change gamma settings and also increase contrast to get a similar gamma. It was off a bit, but not by much. Thankfully, it did not affect color space at all!

MadVR is also funky. "Disable 3DLUT" buttons do not really disable it and require a restart. Whenever I use madVR settings to change brightness, it does affect the picture in MPC-HC but not in the pattern generator. And when I use MPC-HC to generate patterns (it works!) HCFR will not update the information/readings, even though the picture brightness does change....

I've yet to manage to get that reading going. I can only change the entire TV settings...
post #989 of 1680
Quote:
Originally Posted by mightyhuhn View Post

did some one know how to fix a broken 3d lut creater tool?

http://abload.de/img/3dlutwutimfp7.png

reinstalling / reseting to default did nothing. i even searched in the registry.

at the moment i try to get an 3d lut for my vg248 with lightboost hack.

the problem with this display is that it shows 120 normal frames and use backlight strobing between each frame and i can only change the strobe time and the contrast. so i switch to refresh (generic) and tried it and got this http://abload.de/img/vg248lkuz4.png

at the moment the white is way to red when loaded in windows.

did some on got a tip for this led lcd "crt" display

I have the same monitor and it is horrible when it comes down to calibrating it in LightBoost mode. You can forget about it and just use default settings. No matter where I tried to place my colorimeter, all readings fluctuated, gamma curves are literally upside down-U shaped, everything if off/

Why do you need to calibrate it? Its not like it will preserve any settings when you launch games because almost all games reset your 1D LUT to the default one... This monitor is purely for FPS in games like BF4, not for anything else.

Calibrating it in non-LightBoost mode is easier and more acceptable, BUT if you try to change its default gamma of 1.9 to even 2.1 it WILL crush your blacks. Its an issue that persists on this model - there is nothing you can do to improve gamma without crushing your blacks. Oh, do not bother with DDC menus either - they do not work and in some cases only affect non-LightBoost mode. Just set it to LightBoost, set LightBoost to minimum of 10 to get the highest rate and change contrast to whatever pleases you...
post #990 of 1680

i like to watch 120hz records on it or vbr records highmotion stuff.

 

on default blacks are horrible and bending is a huge problem. and most games support color corrections but this thread is about 3d lut for madvr so i stop here.

 

this display got great motion but the rest is rly bad i should  have waited for a eizo foris fg2421.

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