Dynamic Canvas for Immersive Non-Photorealistic Walkthroughs

Matthieu Cunzi 1, 2 Joëlle Thollot 1, * Sylvain Paris 1 Gilles Debunne 1 Jean-Dominique Gascuel 1, * Frédo Durand 3, *
* Corresponding author
1 ARTIS - Acquisition, representation and transformations for image synthesis
GRAVIR - IMAG - Graphisme, Vision et Robotique, 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 field induced by the 3D displacement is matched using purely 2D transformations. The motion field 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 infinite 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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Matthieu Cunzi, Joëlle Thollot, Sylvain Paris, Gilles Debunne, Jean-Dominique Gascuel, et al.. Dynamic Canvas for Immersive Non-Photorealistic Walkthroughs. Proc. Graphics Interface, 2003, Halifax, Canada. ⟨inria-00510176⟩

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