Journal
IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS
Volume 19, Issue 5, Pages 762-773Publisher
IEEE COMPUTER SOC
DOI: 10.1109/TVCG.2012.314
Keywords
Character animation; 3D video; real-time animation; multiview reconstruction; video-based animation; 4D modeling; 4D performance capture
Categories
Funding
- EU IST Project RE@CT
- United Kingdom EPSRC Visual Media Platform Grant
- EPSRC [EP/F02827X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F02827X/1] Funding Source: researchfish
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A 4D parametric motion graph representation is presented for interactive animation from actor performance capture in a multiple camera studio. The representation is based on a 4D model database of temporally aligned mesh sequence reconstructions for multiple motions. High-level movement controls such as speed and direction are achieved by blending multiple mesh sequences of related motions. A real-time mesh sequence blending approach is introduced, which combines the realistic deformation of previous nonlinear solutions with efficient online computation. Transitions between different parametric motion spaces are evaluated in real time based on surface shape and motion similarity. Four-dimensional parametric motion graphs allow real-time interactive character animation while preserving the natural dynamics of the captured performance.
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