• Adobe After Effects

  Dumb keying question

  Posted by Spencer Thielmann on October 25, 2014 at 12:43 pm

  Hey guys! I’m trying to do a sky replacement on this shot. I’m having a weird keying issue though.
  
  Here is an actor against the sky holding a sword. It looks fine here. But when keyed…
  
  His sword almost looks like we had a super low shutter speed or something. It looks like 3 swords blurred. What is going on here? This seems to be happening with a bunch of different keying methods I try on this shot.

  Roland R. kahlenberg replied 11 years, 10 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Roland R. kahlenberg

  October 25, 2014 at 3:52 pm

  Why are you using Color Key and not Keylight? As an aside, have you tried extracting a Luma Matte? If all else fails, you will have to roto – where mocha is the tool of choice. With mocha, you track the sword with a slightly loose tracking spline. When the track is done, you link a tight roto spline to the tracking spline – then keyframe the roto spline.

  HTH
  – Roland

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