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Activity Forums Apple Final Cut Pro Legacy KEY / Green screen problems … FCP ASAP

  • KEY / Green screen problems … FCP ASAP

    Posted by Katie Dillon on January 17, 2012 at 7:30 pm

    So,

    Keying the green screen out for the first time for a client. Came out fine, until the guy in the video moves his arm really fast. I can see the green screen behind him, it looks terrible. And it looks terrible. Does anyone know a way to get that out without A. removing other parts of the picture, or B. Matting it frame by frame?

    Please help ASAP.

    Andrew Somers replied 14 years, 4 months ago 2 Members · 3 Replies
  • 3 Replies
  • Katie Dillon

    January 17, 2012 at 7:48 pm

    I changed the footage from H.264 to Apple Prores 422HQ.

    The original green screen was poorly lit, making the Key itself difficult. I was able to matte out the edges where the light trails off changing the hue of the green screen, but the hands still plague me.

    macdon2.jpg

  • Katie Dillon

    January 17, 2012 at 8:39 pm

    I’m okay with motion.

    I guess that’s just what ill have to do.

    Thanks for the help.

  • Andrew Somers

    January 17, 2012 at 9:23 pm

    The late great Ultimatte Advantedge was good at handling this kind of thing all by itself (sad that ultimatte discontinued support) – IMO Primatte and Keylight are less effective as “one click” plug ins. Instead, use Primatte or Keylight to generate mattes, and then use those mattes as alpha channels and/or in precomps using various transfer modes as needed for color suppression in transparent and soft objects.

    For a non – roto approach, see this tutorial that is very useful for blurry and transparent objects:

    https://www.videocopilot.net/tutorials/advanced_soft_keying/

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