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2.5D Cartoon Models

2.5D Cartoon Models. Author - Alec Rivers from MIT. Siming Liu. Overview. Artist draws different views. Overview. 2.5D model automatically compute intermediate views. 3D Interpolation. 3D Interpolation. 3D Interpolation. Preserve 2D appearance of cartoons No 3D model

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2.5D Cartoon Models

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  1. 2.5D Cartoon Models Author - Alec Rivers from MIT Siming Liu

  2. Overview • Artist draws different views

  3. Overview • 2.5D model automatically compute intermediate views

  4. 3D Interpolation

  5. 3D Interpolation

  6. 3D Interpolation • Preserve 2D appearance of cartoons • No 3D model • Just translate and interpolate vector art using limited 3D inferences

  7. Related Work 2D 3D

  8. [Johnston and Thomas, 1981] 2D 3D [Sederberg and Greenwood, 1992] [Alexa et al., 2000]

  9. [Decaudin, 1996] [Johnston and Thomas, 1981] 2D 3D [Northrup and Markosian, 2000] [Sederberg and Greenwood, 1992] [Alexa et al., 2000] [Rademacher, 1999]

  10. [Bourguignon et al., 2001] [Decaudin, 1996] [Johnston and Thomas, 1981] 2D 3D [Northrup and Markosian, 2000] [Sederberg and Greenwood, 1992] [Alexa et al., 2000] [Di Fiore et al., 2001] [Rademacher, 1999]

  11. 2.5D Cartoon Model

  12. 2.5D Cartoon Model

  13. 2.5D Interpolation

  14. 2.5D Interpolation

  15. Rotate Face Video

  16. Modify Key View Video

  17. More Complex Video

  18. Applications • Cartoons in interactive applications • Animation • Camera steady, model moves • Flash / cell phones • No 3D acceleration required

  19. Conclusion • Advantages • 2D drawings without real 3D shape are possible • Easy and fast to create • Animation is straightforward • Limitations • Highly concave shapes difficult • Models cannot natively be lit, collided with

  20. Thanks! Check out the software at: http://www.alecrivers.com/

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