Multiview face capture using polarized spherical gradient illumination
Proceedings of the 2011 SIGGRAPH Asia Conference
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We present a technique for creating realistic facial animation from a set of high-resolution static scans of an actor's face driven by passive video of the actor from one or more viewpoints. We capture high-resolution static geometry using multi-view stereo and gradient-based photometric stereo [Ghosh et al. 2011]. The scan set includes around 30 expressions largely inspired by the Facial Action Coding System (FACS). Examples of the input scan geometry can be seen in Figure 1 (a). The base topology is defined by an artist for the neutral scan of each subject. The dynamic performance can be shot under existing environmental illumination using one or more off-the shelf HD video cameras.