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Curvature Analysis of Sculpted Hair Meshes for Hair Guides Generation

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Advances in Computer Graphics (CGI 2021)

Part of the book series: Lecture Notes in Computer Science ((LNIP,volume 13002))

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Abstract

This paper proposes an approach that generates hair guides from a sculpted 3D mesh, thus accelerating hair creation. Our approach relies on the local curvature on a sculpted mesh to discover the direction of the hair on the surface. We generate hair guides by following the identified strips of polygons matching hair strands. To improve the quality of the guides, some are split to ensure they correspond to hairstyles ranging from straight to wavy, while others are connected so that they correspond to longer hair strands. In order to automatically attach the guides to the scalp of a 3D head, a vector field is computed based on the directions of the guides, and is used in a backward growth of the guides toward the scalp. This approach is novel since there is no state-of-the-art method that generates hair from a sculpted mesh. Furthermore, we demonstrate how our approach works on different hair meshes. Compared to several hours of manual work to achieve a similar result, our guides are generated in a few minutes.

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Acknowledgment

This work was supported by Ubisoft Inc. and École de technologie supérieure. We would also like to thank SideFXTM for providing HoudiniTM licenses for research.

Author information

Authors and Affiliations

  1. École de Technologie Supérieure, Montreal, Canada

    Florian Pellegrin & Eric Paquette

  2. Ubisoft La Forge, Montreal, Canada

    Florian Pellegrin & Andre Beauchamp

  3. INSA Rennes, Rennes, France

    Florian Pellegrin

Authors
  1. Florian Pellegrin
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  2. Andre Beauchamp
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  3. Eric Paquette
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Corresponding author

Correspondence to Florian Pellegrin .

Editor information

Editors and Affiliations

  1. University of Geneva, Carouge, Switzerland

    Nadia Magnenat-Thalmann

  2. University of Minnesota, Minneapolis, MN, USA

    Victoria Interrante

  3. EPFL, Lausanne, Switzerland

    Daniel Thalmann

  4. University of Crete, Heraklion, Crete, Greece

    George Papagiannakis

  5. Shanghai Jiao Tong University, Shanghai, China

    Bin Sheng

  6. University of Sydney, Sydney, NSW, Australia

    Jinman Kim

  7. University of Calgary, Calgary, AB, Canada

    Marina Gavrilova

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Pellegrin, F., Beauchamp, A., Paquette, E. (2021). Curvature Analysis of Sculpted Hair Meshes for Hair Guides Generation. In: Magnenat-Thalmann, N., et al. Advances in Computer Graphics. CGI 2021. Lecture Notes in Computer Science(), vol 13002. Springer, Cham. https://doi.org/10.1007/978-3-030-89029-2_30

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  • DOI: https://doi.org/10.1007/978-3-030-89029-2_30

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-89028-5

  • Online ISBN: 978-3-030-89029-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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