MNPR: A Framework for Real-Time Expressive Non-Photorealistic Rendering of 3D Computer Graphics

Santiago Montesdeoca 1 Hock Soon Seah 1 Amir Semmo 2 Pierre Bénard 3 Romain Vergne 4 Joëlle Thollot 4 Davide Benvenuti 1
3 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
4 MAVERICK - Models and Algorithms for Visualization and Rendering
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : We propose a framework for expressive non-photorealistic rendering of 3D computer graphics: MNPR. Our work focuses on enabling stylization pipelines with a wide range of control, thereby covering the interaction spectrum with real-time feedback. In addition, we introduce control semantics that allow cross-stylistic art-direction, which is demonstrated through our implemented watercolor, oil and charcoal stylizations. Our generalized control semantics and their style-specific mappings are designed to be extrapolated to other styles, by adhering to the same control scheme. We then share our implementation details by breaking down our framework and elaborating on its inner workings. Finally, we evaluate the usefulness of each level of control through a user study involving 20 experienced artists and engineers in the industry, who have collectively spent over 245 hours using our system. MNPR is implemented in Autodesk ® Maya ® and open-sourced through this publication, to facilitate adoption by artists and further development by the expressive research and development community.
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Conference papers
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https://hal.inria.fr/hal-01814332
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Submitted on : Wednesday, June 20, 2018 - 10:14:23 AM
Last modification on : Friday, June 29, 2018 - 12:32:19 PM
Long-term archiving on : Monday, September 24, 2018 - 5:26:41 PM

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Santiago Montesdeoca, Hock Soon Seah, Amir Semmo, Pierre Bénard, Romain Vergne, et al.. MNPR: A Framework for Real-Time Expressive Non-Photorealistic Rendering of 3D Computer Graphics. Expressive ’18 - The Joint Symposium on Computational Aesthetics and Sketch Based Interfaces and Modeling and Non-Photorealistic Animation and Rendering, Aug 2018, Victoria, Canada. pp.11, ⟨10.1145/3229147.3229162⟩. ⟨hal-01814332v2⟩

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