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Strands and Hair - Modeling, Simulation and Rendering

Abstract : The last six years has seen a renaissance in hair modeling, rendering and animation. This course covers the gamut of hair simulation problems and present working solutions, from recent and novel research ideas to time tested industrial practices that resulted in spectacular imagery. The course is aimed at an intermediate level and addresses the special-effects developers and technical directors who are looking for innovation as well as proven methodologies in hair simulation. The audience will get a good grasp of the state of the art in hair simulation and will have plenty of working solutions that they can readily implement in their production pipelines. The course will also be a bootcamp for aspiring computer graphics researchers interested in physically based modeling in computer graphics. The course reviews all the three main tasks in hair simulation: hairstyling, hair animation and hair rendering. First, the nature of human hair will be shortly discussed, to point out why modeling this material has been such a challenge for Computer Graphics. The basics for coping with the hair complexity oin terms of the number of strands will be given. Subsequently, the latest methodologies pertaining to each of the tasks will be covered. For hair dynamics, we will cover an elaborate as well as viable stiffness dynamics model of an individual hair strand. We will present two novel models for complex hair-hair, hair-body and hair-air interactions. For rendering, we discuss issues related to shading models, multiple scattering, and volumetric shadows. We also present the recent advances in programmable graphics hardware in the context of hair rendering. Advanced techniques in production quality hair rendering, self shadowing and lighting models for short and long hair will also be presented.
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https://hal.inria.fr/inria-00520193
Contributor : Florence Bertails-Descoubes Connect in order to contact the contributor
Submitted on : Wednesday, September 22, 2010 - 2:55:25 PM
Last modification on : Monday, April 25, 2022 - 8:22:03 AM
Long-term archiving on: : Thursday, December 1, 2016 - 8:22:46 PM

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Sunil Hadap, Marie-Paule Cani, Florence Bertails, Ming Lin, Kelly Ward, et al.. Strands and Hair - Modeling, Simulation and Rendering. SIGGRAPH 2007 - 34 International Conference and Exhibition on Computer Graphics and Interactive Techniques, Aug 2007, San Diego, United States. pp.1-150, ⟨10.1145/1281500.1281689⟩. ⟨inria-00520193⟩

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