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[CS+04]  RYAN: Rendering Your Animation Nonlinearly projected

Coleman:2004:RRA (In proceedings)
Author(s)Coleman P. and Singh K.
Title« RYAN: Rendering Your Animation Nonlinearly projected »
InProceedings of the Third International Symposium on Non-Photorealistic Animation and Rendering (NPAR 2004, Annecy, France, June 7--9, 2004)
Editor(s)Aaron Hertzmann and Craig Kaplan
Page(s)129--138
Year2004
PublisherACM Press
AddressNew York
Editor(s)Aaron Hertzmann and Craig Kaplan

Abstract
Artistic rendering is an important research area in Computer Graphics, yet relatively little attention has been paid to the projective properties of computer generated scenes. Motivated by the surreal storyboard of an animation in production—Ryan—this paper describes interactive techniques to control and render scenes using nonlinear projections. The paper makes three contributions. First, we present a novel approach that distorts scene geometry such that when viewed through a standard linear perspective camera, the scene appears nonlinearly projected. Second, we describe a framework for the interactive authoring of nonlinear projections defined as a combination of scene constraints and a number of linear perspective cameras. Finally, we address the impact of nonlinear projection on rendering and explore various illumination effects. These techniques, implemented in Maya and used in the production of the animation Ryan, demonstrate how geometric and rendering effects resulting from nonlinear projections can be seamlessly introduced into current production pipelines.

BibTeX code
@inproceedings{Coleman:2004:RRA,
  optorganization = {},
  author = {Patrick Coleman and Karan Singh},
  optkey = {},
  optseries = {},
  editor = {Aaron Hertzmann and Craig Kaplan},
  localfile = {papers/Coleman.2004.RRA.pdf},
  address = {New York},
  publisher = {ACM Press},
  optmonth = {},
  doi = {http://doi.acm.org/10.1145/987657.987678},
  opturl = {},
  optcrossref = {},
  booktitle = NPAR2004,
  optstatus = {},
  optvolume = {},
  title = {{RYAN}: {R}endering {Y}our {A}nimation {N}onlinearly projected},
  optnumber = {},
  abstract = {Artistic rendering is an important research area in Computer
              Graphics, yet relatively little attention has been paid to the
              projective properties of computer generated scenes. Motivated by
              the surreal storyboard of an animation in production—Ryan—this
              paper describes interactive techniques to control and render
              scenes using nonlinear projections. The paper makes three
              contributions. First, we present a novel approach that distorts
              scene geometry such that when viewed through a standard linear
              perspective camera, the scene appears nonlinearly projected.
              Second, we describe a framework for the interactive authoring of
              nonlinear projections defined as a combination of scene
              constraints and a number of linear perspective cameras. Finally,
              we address the impact of nonlinear projection on rendering and
              explore various illumination effects. These techniques,
              implemented in Maya and used in the production of the animation
              Ryan, demonstrate how geometric and rendering effects resulting
              from nonlinear projections can be seamlessly introduced into
              current production pipelines.},
  year = {2004},
  pages = {129--138},
}

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