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Rotoscoping. David Chen CS294-7 The Art of Animation. Technique. Take live action footage (source footage) Trace each frame of footage Merge rotoscoped images with the animation. Origins. 19 th century studies in motion Eadweard Muybridge, The Horse in Motion (1878). Early Days.

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rotoscoping

Rotoscoping

David Chen

CS294-7 The Art of Animation

technique
Technique
  • Take live action footage (source footage)
  • Trace each frame of footage
  • Merge rotoscoped images with the animation
origins
Origins
  • 19th century studies in motion
  • Eadweard Muybridge, The Horse in Motion (1878)
early days
Early Days
  • Max Fleischer: “Out of the Inkwell” (1914), “Betty Boop” (1930s)
  • Disney: Snow White (1937), 101 Dalmatians (1961)
  • Higher level of realism in animation
why rotoscoping
Why Rotoscoping?
  • Live action video
    • a-ha - Take On Me (1985)
    • Star Wars (1977)
  • Reuse of source footage
    • Disney: Winnie the Pooh (1960s), The Jungle Book (1967), etc.
  • Budget concerns
    • Ralph Bakshi: Wizards (1977), The Lord of the Rings (1978)
modern rotoscoping
Modern Rotoscoping
  • Highly computer-assistated
    • Waking Life (2001)
    • A Scanner Darkly (2006)
  • Digital equivalent: motion capture
    • Actor performs an action
    • System captures 3D positional data
    • Animator uses data to generate realistic motion
conclusion
Conclusion
  • Rotoscoping is used for:
    • Realism
    • Cost-cutting
    • Motion study
  • Rotoscoping (and motion capture) still used widely today