Example-Based Expressive Animation of 2D Rigid Bodies

Marek Dvorožňák 1 Pierre Bénard 2 Pascal Barla 2 Oliver Wang 3 Daniel Sýkora 1
2 MANAO - Melting the frontiers between Light, Shape and Matter
LaBRI - Laboratoire Bordelais de Recherche en Informatique, Inria Bordeaux - Sud-Ouest, LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : We present a novel approach to facilitate the creation of stylized 2D rigid body animations. Our approach can handle multiple rigid objects following complex physically-simulated trajectories with collisions, while retaining a unique artistic style directly specified by the user. Starting with an existing target animation (e.g., produced by a physical simulation engine) an artist interactively draws over a sparse set of frames, and the desired appearance and motion stylization is automatically propagated to the rest of the sequence. The stylization process may also be performed in an off-line batch process from a small set of drawn sequences. To achieve these goals, we combine parametric deformation synthesis that generalizes and reuses hand-drawn exemplars, with non-parametric techniques that enhance the hand-drawn appearance of the synthesized sequence. We demonstrate the potential of our method on various complex rigid body animations which are created with an expressive hand-drawn look using notably less manual interventions as compared to traditional techniques.
Type de document :
Article dans une revue
ACM Trans. Graph, 2017, 36 (4), pp.10. <10.1145/3072959.3073611>
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Soumis le : mercredi 26 avril 2017 - 14:28:37
Dernière modification le : jeudi 15 juin 2017 - 09:09:17

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Marek Dvorožňák, Pierre Bénard, Pascal Barla, Oliver Wang, Daniel Sýkora. Example-Based Expressive Animation of 2D Rigid Bodies. ACM Trans. Graph, 2017, 36 (4), pp.10. <10.1145/3072959.3073611>. <hal-01514619>

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