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  1. What would be the best way to bob deinterlace this DVD that has 8bit pixelated game footage mixed with live action footage? I've been using QTGMC with the setting below but the game footage loses a lot of it's crisp pixelation.

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    QTGMC(TR0=2, TR1=2, TR2=1, Rep0=1, Rep1=0, Rep2=4, DCT=5, ThSCD1=300, ThSCD2=110, SourceMatch=3, Lossless=2, Sharpness=0.1, Sbb=0, MatchPreset="slow", NoiseProcess=2, GrainRestore=0.0, NoiseRestore=0.4, NoisePreset="slow", StabilizeNoise=false, NoiseTR=0, NoiseDeint="bob")
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  2. Try is to lowering "ThSCD1=300, ThSCD2=110," to maybe ThSCD1=200 (or lower).
    (side note: I would also add some deflickering)

    1.: QTGMC(Input=clip, Preset="Fast", InputType=0, TFF=False, TR2=0, SourceMatch=0, Lossless=0, TR0=2, TR1=2, Rep0=1, Rep1=0, Rep2=4, DCT=5, ThSCD1=200, ThSCD2=120, Sbb=0, NoiseProcess=2, GrainRestore=0.0, NoiseDeint="bob") + deflickering
    2.: QTGMC(as 1.) but with EdiExt using DDD (Vapoursynth only https://github.com/pifroggi/vs_deepdeinterlace)

    Cu Selur

    Ps.: Maybe also try bwdif instead of QTGMC.
    PPs.: Applying CAS + SSIQ (for the rainbows) might also help with perceived 'crispyness' .
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    Last edited by Selur; 11th Aug 2025 at 08:26.
    users currently on my ignore list: deadrats, Stears555, marcorocchini
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  3. Originally Posted by Selur View Post
    Try is to lowering "ThSCD1=300, ThSCD2=110," to maybe ThSCD1=200 (or lower).
    (side note: I would also add some deflickering)

    1.: QTGMC(Input=clip, Preset="Fast", InputType=0, TFF=False, TR2=0, SourceMatch=0, Lossless=0, TR0=2, TR1=2, Rep0=1, Rep1=0, Rep2=4, DCT=5, ThSCD1=200, ThSCD2=120, Sbb=0, NoiseProcess=2, GrainRestore=0.0, NoiseDeint="bob") + deflickering
    2.: QTGMC(as 1.) but with EdiExt using DDD (Vapoursynth only https://github.com/pifroggi/vs_deepdeinterlace)

    Cu Selur

    Ps.: Maybe also try bwdif instead of QTGMC.
    PPs.: Applying CAS + SSIQ (for the rainbows) might also help with perceived 'crispyness' .
    The quality of DDD is amazing. I'm trying to set it up with VS. I'm only familiar with Avisynth. I'm having a difficult time finding information on DDD. Could you please let me know the VS script you used for test_2.mp4 so I can attempt to better understand the script and syntax?
    Last edited by LaserBones; 13th Aug 2025 at 04:52.
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  4. Using DDD requires an NVIDIA card and a broadly expanded Vapoursynth setup.
    I doubt you will have much fun/success trying to set this up, but I'll post a script later.
    users currently on my ignore list: deadrats, Stears555, marcorocchini
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