Degrain via SHake 4.1

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  • #201174
    film101
    Participant

    I’ve combed the Shake 4.1 manual, and there appears to be no way to degrain footage, short of defocusing it.

    Anyone have a suggestion for the cleanest way to degrain cineon footage?

    #213988
    Fusion CIStudios
    Participant

    I suggest you rent a plugin from the furnace package. This can be cost effective if you only plan to use the plugin for one day or so.

    http://www.thefoundry.co.uk

    #213986
    Anonymous
    Inactive

    Is that the only solution? Nothing exists within Shake?

    #213989
    Fusion CIStudios
    Participant

    degraining (at the most advanced level) is strictly an optical flow process. Shake 4.1 does have an optical flow engine that is tuned to master, ramp, re-size and speed clips. If you could get into the nuts and bolts of shake you could most certainly create your own degrainer with an optical flow engine. But that takes time and I strongly recomend using Foundry plug-ins for smaller shows. If you’ve got the budget go after PFclean from Pixel Farm.

    #213982
    prajjwal
    Participant

    Shake’s median filter is a good place to start when you need quick degraining.

    For more advanced degraining, I would try Furnace (as suggested above) or Neat Video (AE plug-in) or Neat Image (stand alone version, but more of a pain in the neck to use for long image sequences…). Both of them are “non-shake” solutions, but the results are so good you will probably don’t mind the trip outside of shake… 🙂

    — Xavier

    #213983
    zinnia
    Participant

    There is also a degrain tool included in the Sapphire plug-ins suite.

    #213987
    Anonymous
    Inactive

    The Tinderbox Shake plugin for degrainis the least expensive.
    Does anyone have any experience with these three, and how does Tinderbox’s degrain compare?

    #213990
    Fusion CIStudios
    Participant

    I have not worked with the tinderbox plugins but I have worked with Furnace. The package performed exactly as we needed. When degraining you should be very thoughtful about your endproduct. What film stock was the original image shot on? Different outputs require different levels of results. If it’s a 8bit SD comercial or DVD you may not need the most precise results. If you’re working in anything larger you should use the best tools you can get. Especialy if your after a film record out.
    Remember that “grain” is film and “noise” is video. Median filters are great for removing “noise” out of a video image. But may not provide the results you want for a film image.

    From my experience I trust The Foundry and Pixel Farm. There are lots of great products elsewhere but these two have been performing very well.

    #213984
    bnw
    Participant

    I tried the Sapphire degrain the other day and wasn’t terribly impressed. Just seemed like a blur-everything-except-the-edges type of deal.

    #213985
    Anonymous
    Inactive

    Does anyone out there have a Shake degrain script….?

    #213991
    soccer play
    Participant
    film101 wrote:
    Does anyone out there have a Shake degrain script….?

    I havent got a shake script but have Fusion script with explanation, and shake screen grab
    This is just one one way of degraining(sames as saphhire but you have more control of colour spaces and channels if you DIY).
    http://miafx.com/23/tiki-index.php?page=Degrain&highlight=degrain#attachments
    its more than addaquate if its for pre-treating a plate for keying, otherwise an optical flow tool or if theres no movement in the area of the plate that needs degraining try avaraging frames.


    Rafal

    #213992
    Samuel Conlogue
    Participant

    According to the manual you can do a bit of degraining in the FileIn Node(page119 of the PDF manual):

    Blend
    Averages neighboring frames together to create in-between frames that are a
    combination of both to soften the strobing effect that can result from slow motion
    effects. If the retimeMode parameter has been set to Blend, three additional
    parameters appear underneath…..
    • range: Controls how many frames are blended together to create the final result. For
    example, if you want to extend a source clip of 20 frames to 40 frames, each source
    frame is applied to two output frames. With a range of 2, it is applied in four output
    frames, resulting in more blending. If you apply only this value with no other
    modifications, Shake inserts repetitions of neighboring frames to help you with
    degraining……

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