Spacetime faces: high resolution capture for modeling and animation
Li Zhang, Noah Snavely, Brian Curless, Steven M. Seitz
In ACM Transactions on Graphics, 23(3), August 2004.
Abstract: We present an end-to-end system that goes from video sequences to high resolution, editable, dynamically controllable face models. The capture system employs synchronized video cameras and structured light projectors to record videos of a moving face from multiple viewpoints. A novel spacetime stereo algorithm is introduced to compute depth maps accurately and overcome over-fitting deficiencies in prior work. A new template fitting and tracking procedure fills in missing data and yields point correspondence across the entire sequence without using markers. We demonstrate a data-driven, interactive method for inverse kinematics that draws on the large set of fitted templates and allows for posing new expressions by dragging surface points directly. Finally, we describe new tools that model the dynamics in the input sequence to enable new animations, created via key-framing or texture-synthesis techniques.
Keyword(s): data-driven animation, expression synthesis, facial animation, shape recovery, shape registration, stereo matching
Article URL: http://doi.acm.org/10.1145/1015706.1015759
BibTeX format:
@article{Zhang:2004:SFH,
  author = {Li Zhang and Noah Snavely and Brian Curless and Steven M. Seitz},
  title = {Spacetime faces: high resolution capture for modeling and animation},
  journal = {ACM Transactions on Graphics},
  volume = {23},
  number = {3},
  pages = {548--558},
  month = aug,
  year = {2004},
}
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