Title: | Real-time Simulation of Wrinkles |
Authors: | Reis, Clausius Duque G. De Martino, José Mario Batagelo, Harlen Costa |
Citation: | WSCG '2008: Communication Papers: The 16-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision in co-operation with EUROGRAPHICS: University of West Bohemia, Plzen, Czech Republic, February 4 - 7, 2008, p. 109-116. |
Issue Date: | 2008 |
Publisher: | Václav Skala - UNION Agency |
Document type: | konferenční příspěvek conferenceObject |
URI: | http://wscg.zcu.cz/wscg2008/Papers_2008/short/!_WSCG2008_Short_final.zip http://hdl.handle.net/11025/11110 |
ISBN: | 978-80-86943-16-9 |
Keywords: | real-time simulace;vrásky;animace obličeje;3D animace |
Keywords in different language: | real-time simulation;wrinkles;facial animation;3D animation |
Abstract: | Skin wrinkles add realism and expressiveness to 3D facial animation. Modeling and animation of facial wrinkles have been challenging tasks due to the variety of conformations and details subtleness that wrinkles can exhibit. In this paper, we describe a method for real-time simulation of wrinkles taking advantage of the processing power of current GPUs. Our approach is based on a GPU shader program that uses a simple normal mapping approach to apply wrinkles according to influence areas on the face. For efficiency, all the data required for the simulation is comprised in 3D textures. We developed a reusable and extensible XNA component that implements the shader and tools for generating the necessary 3D textures. Currently, this component uses precomputed facial expressions, which are linear interpolated on the CPU. Nevertheless, it can be easily extended to other deformation approaches, such as key-frames or virtual muscles, without increasing the amount of texture data. We present a description of the developed component, applications and screenshots to illustrate the results. |
Rights: | © Václav Skala - UNION Agency |
Appears in Collections: | WSCG '2008: Communication Papers |
Please use this identifier to cite or link to this item:
http://hdl.handle.net/11025/11110
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