Issue No.04 - July/August (2011 vol.31)
Xiaolin K. Wei , Texas A&M University
Jinxiang Chai , Texas A&M University
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/MCG.2009.132
The authors present a data-driven algorithm for interactive 3D human-character posing. They formulate the problem in a maximum a posteriori (MAP) framework by combining the user's inputs with the priors embedded in prerecorded human poses. Maximizing the posterior probability lets them generate a most-likely human pose that satisfies the user constraints. The system can learn priors from a huge, heterogeneous human-motion-capture database (2.8 million prerecorded poses) and use them to generate a wide range of natural poses. No previous data-driven character-posing system has demonstrated this capability. In addition, the authors present two intuitive interfaces for interactive human-character posing: direct-manipulation interfaces and sketching interfaces. They show their system's superiority compared to standard inverse-kinematics techniques and alternative data-driven techniques.
computer graphics, data-driven character posing, inverse kinematics, motion-capture database, nonlinear optimization, statistical models, interactive techniques, graphics and multimedia
Xiaolin K. Wei, Jinxiang Chai, "Intuitive Interactive Human-Character Posing with Millions of Example Poses", IEEE Computer Graphics and Applications, vol.31, no. 4, pp. 78-88, July/August 2011, doi:10.1109/MCG.2009.132