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Easy Acquisition and Real-Time Animation of Facial Wrinkles

Ludovic Dutreve 1, * Alexandre Meyer 1 Saïda Bouakaz 1
* Corresponding author
1 SAARA - Simulation, Analyse et Animation pour la Réalité Augmentée
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : Facial animation details like wrinkles or bulges are very useful for the analysis and the interpretation of facial emotions and expressions. However, outfitting a virtual face with expression details for real-time applications is a difficult task. In this paper, we propose a mono-camera acquisition technique of facial animation details and a technique which add a wrinkle map layer (fine-scale animation) to a skinning layer (large-scale animation) for real-time rendering of a virtual 3D face. The acquisition is based on ratio image computed from two pictures of a same face, with and without expression. The real-time dynamic wrinkles technique is based on a small set of reference poses. These two methods offer an easy and low-cost way to capture facial animation details and use it for real-time facial animation.
Keywords : Physical Sciences
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Submitted on : Wednesday, October 12, 2011 - 2:51:00 AM
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Ludovic Dutreve, Alexandre Meyer, Saïda Bouakaz. Easy Acquisition and Real-Time Animation of Facial Wrinkles. Computer Animation and Virtual Worlds, Wiley, 2011, 22 (2-3), pp.169. ⟨10.1002/cav.395⟩. ⟨hal-00631255⟩



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