Calibration without Profiling – is it possible?

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  • #4207

    Pneumatic
    Participant
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    Is it possible to just do a Calibration without Profiling?     I have no use for profiling and so it costs me a lot of time.

    Maybe what I’m asking makes no sense if the .cal file is generated from the profile 🙂

    #4208

    WolfPeace
    Participant
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    You can always do a curves+matrix with just 73 patches. The profiling with that settings takes ~2 min .

    #4210

    Pneumatic
    Participant
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    Thanks, I’ll give that a try now.

    I did also try to set up my own custom testchart with grey swatches only to reduce the time, but couldn’t figure it out; when I changed settings on the top of the edit testchart page, the list of swatches down the bottom stayed the same regardless of what settings I put in the top section.

    #4211

    Florian Höch
    Administrator
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    I did also try to set up my own custom testchart with grey swatches only to reduce the time, but couldn’t figure it out; when I changed settings on the top of the edit testchart page, the list of swatches down the bottom stayed the same regardless of what settings I put in the top section.

    You have to click “Create testchart” to actually create the chart. To get the smallest possible still useful chart, set white & black patches to 1, single channel to 2, neutral to 5, multidimensional and iterative to 0.

    #4213

    Pneumatic
    Participant
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    I did also try to set up my own custom testchart with grey swatches only to reduce the time, but couldn’t figure it out; when I changed settings on the top of the edit testchart page, the list of swatches down the bottom stayed the same regardless of what settings I put in the top section.

    You have to click “Create testchart” to actually create the chart. To get the smallest possible still useful chart, set white & black patches to 1, single channel to 2, neutral to 5, multidimensional and iterative to 0.

    If I set the testchart to something with a very small amount of swatches to speed up the process, will that affect the quality of the 1D LUT calibration?

    • This reply was modified 7 years, 6 months ago by Pneumatic.
    #4215

    WolfPeace
    Participant
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    Nope it won’t affect 1D LUT calibration.

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