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3D LUT support on a layer

Robert Mason
Based on my current workflow, it seems to me that it would be nice to be able to apply a 3D LUT in a layer after I have made all other adjustments. (i.e. color grading).

I have created ICC profiles with some success, but these tend to be camera specific and don't necessarily translate well between cameras. They are also applied at the input stage and any adjustments I do after result in sometimes less than ideal results.

I can get similar looks by using the adjustments on a layer and then saving it as a style to apply again later. But it would be nice to be able to utilize the catalog of LUTs I've accumulated over time and apply them at the end of my processing workflow in Capture One as a layer, rather than exporting to Photoshop to apply them there.

Anyone else think this would be helpful?

Just a suggestion, in case "someone" is looking for ideas for Capture One 12...
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Comments

8 comments

Date Votes
  • OddS.
    RobertMason wrote:
    ...But it would be nice to be able to utilize the catalog of LUTs I've accumulated over time and apply them at the end of my processing workflow in Capture One as a layer, rather than exporting to Photoshop to apply them there.


    Hmm, just to help me understand: Do you envision any LUT applicable to any layer or a special type "LUT"-layer to be applied no more than once in a layer stack?
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  • Robert Mason
    I was envisioning it being another control that could be added to any layer (including the background). You could add more than one, including masking and setting opacity. For my immediate need, I would add it as the last layer in my layer stack, but it need not be limited in that way.

    If I was designing the control, I would want to be able to select from a common list of LUTs, with the ability to add (or subtract) additional LUTs to the list from the file system. Similar to Photoshop. And, of course, be able to save the control's selection as part of a preset and/or style.
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  • Robert Mason
    Oh, and while I'm dreaming, being able to export a LUT from the color editor (similar to how it can create ICC profiles) would be icing on the cake.

    -Robert
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  • Permanently deleted user
    I think a greater latitude when it comes to editing certain colours would be a better idea.
    Could can already select and modify a certain colour or colour range but the ranges are somewhat limited.

    However I don't think there's much demand for 3D LUT-layer support and this would mean that C1 has to create its own internal LUT editor - otherwise it could only load preset LUTs and then you might as well create an ICC profile from a LUT.
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  • Robert Mason
    An ICC profile can only be applied at the input end of the workflow in Capture One. Before any white balance, exposure, or contrast adjustments. I would prefer to be able to apply these adjustments first to get to a "normalized" state before applying my color grading.

    I personally don't think Capture One would need to include a LUT editor. I have access to any number of LUTS that meet my needs as well as the ability to create my own as I need them from other applications.

    I understand if this isn't important for your workflow. It would save me a trip to photoshop in mine. I'd be curious if others have a similar workflow to mine. It is very common in the video editing world to grade your footage at the end of your workflow.
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  • Permanently deleted user
    I'm talking about the Base Characteristic ICC Profile. You could create a LUT that is derrived from your cameras profile and then apply it to the file itself.

    Like this:
    https://www.youtube.com/watch?v=KOyETEwNt2k

    Cumbersome but possible.
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  • Robert Mason
    I understand the use of ICC Profiles in Capture One and have several that I have derived from LUTs in the manner described in the video you posted. However, as I mentioned, this is applied at the input end of the workflow. (i.e. The ICC profile is applied to the raw data before any other adjustments in Capture One are made.) This can be useful, but not entirely what I am looking for.

    Example: I have an ICC profile that creates a cyan to orange (shadow to highlights) color grade with neutral mid-tones (while protecting skin tones). If I apply this to a raw file that was purposely underexposed to maintain highlight detail in a high-dynamic range shot, it is applied at a point in the workflow before I can adjust the exposure. So more of the image falls in the cyan cast and too much of the highlights fall into the neutral mid-tone. Protected skin tones are no longer protected since they now fall into the shadows which I would normally want to have the cyan tone.

    I could compensate for this in my generated ICC profile, but then I'd have to create a different ICC profile for each exposure range I may run into. It would be much simpler to use a more standard ICC profile with out the skewed color grading, adjust exposure, and then apply a color grading LUT.
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  • johan alp

    I totally agree with Robert! There is no other improvement that would be more valuable in my book! Still holding out hope for this feature!

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