DVOROŽŇÁK, Marek; BÉNARD, Pierre; BARLA, Pascal; WANG, Oliver; SÝKORA, Daniel

doi:10.1145/3072959.3073611

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DVOROŽŇÁK, Marek
Czech Technical University in Prague [CTU]

BÉNARD, Pierre
Melting the frontiers between Light, Shape and Matter [MANAO]

BARLA, Pascal
Melting the frontiers between Light, Shape and Matter [MANAO]

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ACM Transactions on Graphics. 2017, vol. 36, n° 4, p. 10

Association for Computing Machinery

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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.< Réduire

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CCS Concepts: • Computing methodologies → Motion processing

Non- photorealistic rendering

Additional Key Words and Phrases: 2D animation

example-based synthesis ACM Reference format:

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Example-Based Expressive Animation of 2D Rigid Bodies

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