Mark Fry

[ VFX : Stereo Blocks ]

 
 
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Watch on vimeo

Use red & cyan glasses to view the anaglyph stereoscopic 3D effect.

Stereo Blocks 2D to 3D Conversion
11 September 2010

This anaglyph stereoscopic video was created from 2D footage that was converted to 3D using PFTrack, Maya and Nuke. After the footage was matchmoved in PFTrack, I used Maya to set up the stereo cameras and render out new views for the Left & Right eyes. I added some new CG foreground elements to enhance the feeling of scene depth with added parallax. Nuke was used to composite the elements, do colour corrections and create shallow depth of field using a Z-depth pass rendered out of Maya.

I filmed the sequence on my Canon 550D/T2i camera using my homemade drawer slide dolly rig.

 

VFX BREAKDOWN NOTES:

PFTrack

  • correct for lens distortion and render out new undistorted plate
  • camera tracking/matchmove

Maya

  • camera projection onto matchmove geometry
  • add new CG foreground elements to enhance the scene depth with additional parrallax
  • set up the stereoscopic cameras' convergence and stereo base separation (The main control camera for the stereo pair is point & orient constrained to the matchmoved camera from PFTrack)
  • render new Left & Right eye views
  • render out Z-depth pass

Nuke

  • composite new CG elements onto the original plate
  • colour corrections
  • suppress the vibrant red and green colours on the blocks for better anaglyph viewing
  • Z-depth grade and blur (DOF) to create monoscopic depth cues, adding to the overall "3D" feeling of the scene
  • render final anaglyph stereoscopic sequence

Premiere

  • video assembly, titles, breakdown sequence, add music track

 

 

 
   
 

 

 

NOTE: Tracking Markers

The goal of this little project was to focus on the 2D to 3D conversion process so I created a best-case scenerio for camera tracking/matchmoving. I overloaded the scene with markers since I wasn't worried about having to remove them later (as you might do for a real VFX shot).

The tracking marker design was created by Eric Alba, Visual Effects Supervisor, and is available for download from here.

 

 
     
 

 

Copyright Mark Fry. All rights reserved.

Music used under CREATIVE COMMONS LICENSE
Music by: Kevin Macleod