Dragomir Anguelov, Praveen Srinivasan, D. Koller, S. Thrun, Jim Rodgers, James Davis
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引用次数: 1716
摘要
我们介绍了SCAPE方法(Shape Completion and Animation for PEople)——一种数据驱动的方法,用于构建跨越主题形状和姿势变化的人体形状模型。该方法基于结合了铰接变形和非刚性变形的表示。我们学习了一个姿态变形模型,该模型将非刚性表面变形导出为铰接骨架姿态的函数。我们还学习了一个单独的基于体型的变异模型。当两者都没有出现在训练集中时,我们的两个模型可以结合在一起,为不同的人在不同的姿势下产生具有真实肌肉变形的3D表面模型。我们展示了该模型如何用于形状完成——给定一组指定目标形状的有限标记,生成完整的表面网格。我们提出了形状补全在局部视图补全和动作捕捉动画中的应用。特别是,我们的方法能够构建一个高质量的运动人的动画表面模型,具有逼真的肌肉变形,仅使用单个静态扫描和人的标记运动捕捉序列。
We introduce the SCAPE method (Shape Completion and Animation for PEople)---a data-driven method for building a human shape model that spans variation in both subject shape and pose. The method is based on a representation that incorporates both articulated and non-rigid deformations. We learn a pose deformation model that derives the non-rigid surface deformation as a function of the pose of the articulated skeleton. We also learn a separate model of variation based on body shape. Our two models can be combined to produce 3D surface models with realistic muscle deformation for different people in different poses, when neither appear in the training set. We show how the model can be used for shape completion --- generating a complete surface mesh given a limited set of markers specifying the target shape. We present applications of shape completion to partial view completion and motion capture animation. In particular, our method is capable of constructing a high-quality animated surface model of a moving person, with realistic muscle deformation, using just a single static scan and a marker motion capture sequence of the person.