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Talks & Seminars
Title: Face Relighting and Morphing*
Prof. Baba Vemuri, http://www.cise.ufl.edu/~vemuri/
Date & Time: August 2, 2010 11:35
Venue: Conference Room, First floor
Abstract:
Modeling illumination effects and pose variations of a face is of fundamental importance in the field of facial image analysis. Most of the conventional techniques that simultaneously address both of these problems work with the Lambertian assumption and thus, fall short of accurately capturing the complex intensity variation that the facial images exhibit, or recovering their 3D shape in presence of specularities and cast shadows. In this talk, I will present a novel Tensor Spline based framework for facial image analysis. I will show that using this framework, the facial apparent BRDF field can be accurately estimated while seamlessly accounting for cast shadows and specularities. Further, using local neighborhood information, the same framework can be exploited to recover the 3D shape of the face (to handle pose variation). I will demonstrate the effectiveness of our technique by presenting several experimental results on face relighting and 3D shape recovery,
*This research is joint work with Drs. Ritwik Kumar, Angelos Barmpoutis and Arunava Banerjee.
Speaker Profile:
http://www.cise.ufl.edu/~vemuri/ Baba C. Vemuri received the PhD degree in electrical and computer engineering from the University of Texas at Austin in 1987. He joined the Department of Computer and Information Sciences at the University of Florida, Gainesville, in 1987 and is currently a university research foundation professor of computer and information sciences and engineering. He was a coprogram chair of the 11th IEEE International Conference on Computer Vision (ICCV 2007). He has been an area chair and a program committee member of several IEEE conferences. He was an associate editor for several journals, including the IEEE Transactions on Pattern Analysis and Machine Intelligence (from 1992 to 1996) and the IEEE Transactions on Medical Imaging (from 1997 to 2003). He is currently an associate editor for the Journal of Medical Image Analysis and the Journal of Computer Vision and Image Understanding.
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