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Interactive skeleton-driven simulation
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Interactive skeleton-driven simulation : ウィキペディア英語版
Interactive skeleton-driven simulation
Interactive skeleton-driven simulation (or Interactive skeleton-driven dynamic deformations) is a scientific computer simulation technique used to approximate realistic physical deformations of dynamic bodies in real-time. It involves using elastic dynamics and mathematical optimizations to decide the body-shapes during motion and interaction with forces. It has various applications within realistic simulations for medicine, 3D computer animation and virtual reality.
==Background==
Methods for simulating deformation, such as changes of shapes, of dynamic bodies involve intensive calculations, and several models have been developed. Some of these are known as ''free-form deformation'', ''skeleton-driven deformation'', ''dynamic deformation'' and ''anatomical modelling''. Skeletal animation is well known in computer animation and 3D character simulation. Because of the calculation intensitivity of the simulation, few interactive systems are available which realistically can simulate dynamic bodies in real-time. Being able to ''interact'' with such a realistic 3D model would mean that calculations would have to be performed within the constraints of a frame rate which would be acceptable via a user interface.
Recent research has been able to build on previously developed models and methods to provide sufficiently efficient and realistic simulations. The promise for this technique can be as widespread as mimicing human facial expressions for perception of simulating a human actor in real-time or other cell organisms. Using skeletal constraints and parameterized force to calculate deformations also has the benefit of matching how a single cell has a shaping skeleton, as well as how a larger living organism might have an internal bone skeleton - such as the vertebraes. The generalized external body force simulations makes elasticity calculations more efficient, and means real-time interactions are possible.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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