Parametric Skeletons with Reduced Soft-Tissue Deformations,Computer Graphics Forum

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Parametric Skeletons with Reduced Soft-Tissue Deformations
Computer Graphics Forum ( IF 2.7 ) Pub Date : 2021-02-02 , DOI: 10.1111/cgf.14199
Javier Tapia ₁ , Cristian Romero ₁ , Jesús Pérez ₁ , Miguel A. Otaduy ₁

Affiliation

We present a method to augment parametric skeletal models with subspace soft-tissue deformations. We combine the benefits of data-driven skeletal models, i.e. accurate replication of contact-free static deformations, with the benefits of pure physics-based models, i.e. skin and skeletal reaction to contact and inertial motion with two-way coupling. We succeed to do so in a highly efficient manner, thanks to a careful choice of reduced model for the subspace deformation. With our method, it is easy to design expressive reduced models with efficient yet accurate force computations, without the need for training deformation examples. We demonstrate the application of our method to parametric models of human bodies, SMPL, and hands, MANO, with interactive simulations of contact with nonlinear soft-tissue deformation and skeletal response.>

中文翻译：

减少软组织变形的参数化骨架

我们提出了一种通过子空间软组织变形来增强参数化骨骼模型的方法。我们结合了数据驱动骨骼模型的优点，即非接触静态变形的准确复制，以及纯物理模型的优点，即皮肤和骨骼对接触和惯性运动的反应与双向耦合。由于为子空间变形精心选择了简化模型，我们以高效的方式成功地做到了这一点。使用我们的方法，可以轻松设计具有高效而准确的力计算的富有表现力的简化模型，而无需训练变形示例。我们展示了我们的方法在人体参数模型、SMPL 和手、MANO 中的应用，以及与非线性软组织变形和骨骼响应接触的交互式模拟。>

更新日期：2021-02-02

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