measuring HDR and SDR properly

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  • #35626

    Kaizer
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    Hi, im new to monitor world and confuse how properly measuring SDR and HDR in DisplayCal.

    im using Xrite i1 DisplayPro

    1. are my setting good for measuring SDR color gamut and Delta E in Office&Web (D65, Gamma 2,2)?
    2. do i need correction in my monitor especially none of my monitor brand are there?
    3. how to measure color gamut in HDR? do i need fixed nits point to do that, or go full brightness?
    4. and for verification settings in SDR and HDR are Extended verification testchart are fine?

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    #35636

    Vincent
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    1) no data

    2) yes but no data

    3) AFAIK gamut volume & coverages through iccgamut or viewgam will rely on relative TRC colorspace comparisons, hence comparisions will be done against a SDR Rec2020 colorspace.

    4) Maybe you want HCFR for testing factory PQ tracking like with a TV. It has embebed ArgyllCMS code for measurements.

    #35641

    Kaizer
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    what do you mean no data?

    can you give me a link or reference to use HCFR properly?

    #35642

    Vincent
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    what do you mean no data?

    That you provide no data

    can you give me a link or reference to use HCFR properly?

    There is a very long thread in AVSForum
    https://www.avsforum.com/threads/hcfr-open-source-projector-and-display-calibration-software.1393853/

    #35643

    Kaizer
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    That you provide no data

    what data do you need?

    There is a very long thread in AVSForum
    https://www.avsforum.com/threads/hcfr-open-source-projector-and-display-calibration-software.1393853/

    thanks i will check right now

    #35649

    Vincent
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    That you provide no data

    what data do you need?

    Settings (colorimeter correction) is linked to display model, actually its backlight type (+ fancy filters).

    With common sRGB SDR display is easy to guess, choose White LED. With P3 displays it may get more complicated to guess if no user uploaded a custom CCSS to database.

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