Color tool similar to "Calibration" of Lightroom

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Jose Spena

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Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 5:31 pm

Hello.

I wonder if there is a tool that behave similar to "Calibration" of Adobe Lightroom on Davinci.

See, I use a lot this tool to control some overall tonal of the image, not for calibrate something, it is just a way to get certain tone on the image.

you can see this link to see what this powerful tool do.


I am looking some relative tool on resolve. Any help?
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Jack Fairley

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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 6:04 pm

Try RGB mixer and/or curves.
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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 6:49 pm

well.... that is the whole of color correction artistry:' get a good image out of flat/raw ones.

you can always press [auto color] to get a ballpark....
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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 6:57 pm

Go into the Curves palette at the bottom of the Color page and there are several other options (buttons) along with the normal curves which you are probably familar with in Lightroom. For example, Hue v Sat allows you to change the saturation for a very specific range of hues, Hue v Lum allows you to change the luminosity for a very specific range of hues and so on. These are incredibly powerful tools and well worth checking out. The Blackmagic tutorials cover how to use some of them - also see the manual.

Incidentally, the Calibration panel in Lightroom has nothing much to do with camera or monitor calibration - it is something of a misnomer. Back in the day, if my memory serves me well I(which it may or may not do), camera profiles were part of this panel so if you created a DNG camera profile using a color checker that is where you would find it and it could be tweaked there using the controls. Then Adobe moved the camera profiles towards the top of the Develop module and the Calibration panel remains as a creative tool.
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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 7:34 pm

Jack Fairley wrote:Try RGB mixer and/or curves.

Tried.. It is not as direct but I think it is the way... THANK YOU
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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 7:38 pm

waltervolpatto wrote:well.... that is the whole of color correction artistry:' get a good image out of flat/raw ones.

you can always press [auto color] to get a ballpark....


TOTALLY. Don't get me wrong.. On LR it seems to give you "Out of the HAT" look... But the reality it we achieve that on video doing a proper grading.

Just looking if there is a similar to to emulate that behavior.

Thanks you for the response :D

PD: AUTO on DR for me it is like a inside joke (GH5M2 + V-Log L) Always super offset :lol:
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Jose Spena

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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 7:39 pm

mickspixels wrote:Go into the Curves palette at the bottom of the Color page and there are several other options (buttons) along with the normal curves which you are probably familar with in Lightroom. For example, Hue v Sat allows you to change the saturation for a very specific range of hues, Hue v Lum allows you to change the luminosity for a very specific range of hues and so on. These are incredibly powerful tools and well worth checking out. The Blackmagic tutorials cover how to use some of them - also see the manual.

Incidentally, the Calibration panel in Lightroom has nothing much to do with camera or monitor calibration - it is something of a misnomer. Back in the day, if my memory serves me well I(which it may or may not do), camera profiles were part of this panel so if you created a DNG camera profile using a color checker that is where you would find it and it could be tweaked there using the controls. Then Adobe moved the camera profiles towards the top of the Develop module and the Calibration panel remains as a creative tool.


As Jack says.. have to twice those parameter... Thank you

Will be doing some testing.

Thanks to all guys. Appreciated. :)
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Re: Color tool similar to "Calibration" of Lightroom

PostThu Jun 02, 2022 7:53 pm

The HSL curves are much more refined than the Calibrate panel controls in Lightroom in that they give a lot more control. I would love to see these in Lightroom in fact - also a vectorscope would be great.
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Re: Color tool similar to "Calibration" of Lightroom

PostSat Feb 10, 2024 7:29 pm

The Calibration tool in Lightroom alters RGB primaries.

Remember that Red, Green and Blue are chosen for their ability to reproduce a wide gamut in human eyes (best controlling the signal response of S, M, and L cones to create the perception of colors.) But even so, RGB has a limited gamut. (There is some evidence of that fact in color-changing lights that include additional primaries like Amber.)

By altering the primaries, the gamut is actually further reduced and hues are altered in a very global way. For example, using Red-Orange, Green-Blue, and Blue-Green as our "substitute" primaries, the gamut is "squeezed" into the classic teal-orange palette. Pure red, pure green, and pure blue are nowhere to be found. It's almost like intentionally choosing a wrong color space.

This is not reproduced easily through HSL curves. In the attached, my best attempt at recreating the results via HSL are on the right.

In Resolve, you can achieve the same result using a series of nodes, but we're talking about tools here, right?
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calibration_vs_hsl copy.jpg
calibration_vs_hsl copy.jpg (209.23 KiB) Viewed 700 times
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dariusii

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Re: Color tool similar to "Calibration" of Lightroom

PostMon Feb 26, 2024 2:58 pm

This tool can be reproduced in an RGB mixer, but you won’t be able to visually represent the desired option in the mixer like you can in a camera calibration tool.
If in the latter you change only one saturation slider in one of the channels, then in the mixer you will have to change all 9 sliders to achieve approximately the same result. The calibration camera is a unique tool and you will not achieve the same results with hue curves. By the way, there are similar tools in ACR/Ligntroom, although they are not as perfect as curves, but we are talking about something else.
This is what I do if I need such a tool in Davinci - I export the tiff file and throw it into Ligntroom. I process it, and put the hald file next to it and apply the same effects to it. After that, we convert such a file into a lut file and throw it into Davinci. No other way. In RGB mixer you need to have much more experience in order to solve this issue intuitively - I’m not talking about the correctness of the solution, about mathematical correctness, but about an intuitive approach.

Well, in general, for those who are interested in what they do, one program is always not enough, aren't we? ;)
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dariusii

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Re: Color tool similar to "Calibration" of Lightroom

PostTue Mar 26, 2024 8:52 am

Here you'll find several good articles that may help
https://community.adobe.com/t5/camera-r ... p/11567162

Davinci Resolve is not that advanced in this direction. Yes, no one needs this. developers will do it - "a super/irreplaceable innovation". They won’t do it, but “it’s not necessary.”
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waltervolpatto

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Re: Color tool similar to "Calibration" of Lightroom

PostThu Mar 28, 2024 1:48 am

Jose Spena wrote:
PD: AUTO on DR for me it is like a inside joke (GH5M2 + V-Log L) Always super offset :lol:


that WAS a joke.....
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