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Dynamic Canvas for Non-Photorealistic Walkthroughs

Matthieu Cunzi 1, 2 Joëlle Thollot 1, * Sylvain Paris 1 Jean-Dominique Gascuel 1 Gilles Debunne 1 Frédo Durand 3 
* Corresponding author
1 ARTIS - Acquisition, representation and transformations for image synthesis
GRAVIR - IMAG - Laboratoire d'informatique GRAphique, VIsion et Robotique de Grenoble, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
2 REVES - Rendering and virtual environments with sound
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : The static background paper or canvas texture usually used for non-photorealistic animation greatly impedes the sensation of motion and results in a disturbing “shower door” effect. We present a method to animate the background canvas for non-photorealistic rendering animations and walkthroughs, which greatly improves the sensation of motion and 3D “immersion”. The complex motion eld induced by the 3D displacement is matched using purely 2D transformations. The motion eld of forward translations is approximated using a 2D zoom in the texture, and camera rotation is approximated using 2D translation and rotation. A rolling-ball metaphor is introduced to match the instantaneous 3D motion with a 2D transformation. An innite zoom in the texture is made possible by using a paper model based on multifrequency solid turbulence. Our results indicate a dramatic improvement over a static background.
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Submitted on : Friday, March 12, 2010 - 7:03:25 PM
Last modification on : Friday, November 18, 2022 - 9:23:09 AM
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  • HAL Id : inria-00463592, version 1



Matthieu Cunzi, Joëlle Thollot, Sylvain Paris, Jean-Dominique Gascuel, Gilles Debunne, et al.. Dynamic Canvas for Non-Photorealistic Walkthroughs. Graphics Interface, Jun 2003, Halifax, Canada. pp.121--130. ⟨inria-00463592⟩



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