Rapid 3D Human Modeling and Animation Based on Sketch and Motion Database
Digital Media and Digital Content Management（2011）
摘要
In this paper, a new rapid 3D human modeling and animation method based on sketch and motion database is proposed. This method reconstruct 3D human ball B-Spline model from sketch and implement real-time animation using motion database. We firstly blend all parts of sketch to obtain a new sketch which can represent human by one stroke. Then we triangulate this new sketch and select some circum circle centers of the triangles as key points. Radius information can be evaluated by the circum circle radius of relative triangles. Combine key points and radius information, ball B-Spline character model can be obtained through interpolation method. According to human body topology and skeleton structure described by BVH file in motion database, we can define all animation joint positions. Finally, we implement real time animation using motion data from database by updating control points and control radius of ball B-Spline model.
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关键词
circum circle radius,rapid 3d human animation,interpolation,human ball b-spline model,radius information,new sketch,visual databases,motion database,computer animation,animation joint position,human body topology,interpolation method,sketch database,image reconstruction,human modeling,animation,rapid 3d human modeling,sketch,3d human ball b-spline model,solid modelling,key point,splines (mathematics),ball b-spline,animation method,skeleton structure,control radius,image motion analysis,databases,human body,solid modeling,spline,three dimensional
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