Mark Fry

[ VFX : Wire Removal ]

 
 
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Wire Removal
20 May 2012

This VFX shot is an exercise in rig/wire removal in Nuke.

I filmed this HDSLR footage to simulate a wire harness worn by an actor or stunt performer. Normally, these safety harnesses are worn to protect actors during dangerous action but for my test shot I just needed some wires with a bit of tension that overlapped the actor and the background.

Workflow breakdown in Nuke:

  • A static clean plate was created
  • Paint strokes were animated to reveal the clean background plate over the wires
  • To remove the wires which overlap the actor’s body I selected five key positions during the action to extract still images, clean up, and use as patches in the comp
  • I tracked, translated, and sheared each patch forward & backwards from its key position
  • The patches were then cross-faded between each key position to simulate the changing wrinkles in the clothing
  • Where necessary, animated colour correction was used to match the patches to the footage
  • Each patch was isolated in the comp using roto shapes with feathered edges

 

 
     
 

 

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Music used under CREATIVE COMMONS LICENSE
Music by: Kevin Macleod