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An example-based approach to human body manipulation

机译:基于示例的人体操纵方法

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摘要

We discuss a set of techniques based on examples for generating realistic, controllable human whole-body models. Users are assisted in automatically generating a new model or modifying an existing one by controlling the parameters provided. Our approach is based on examples and consists of three major parts. First, each example from the 3D range scanner is preprocessed so that the topology of all examples is identical. Second, the system that we call the modeling synthesizer learns from these examples the correlation between the parameters and the body geometry. After this learning process the synthesizer is devoted to the generation of appropriate shape and proportion of the body geometry through interpolation. Finally, we demonstrate our modifier synthesizer for more subtle manipulations of example models, using high-level parameters such as fat percentage. On any synthesized model, the underlying bone and skin structure is properly adjusted, so that the model remains completely animatable using the joint animation. By allowing automatic modification from a set of parameters, our approach may eventually lead to the automatic generation of a variety of population models.
机译:我们将基于示例讨论一组技术,以生成逼真的,可控制的人体全身模型。通过控制提供的参数,可以帮助用户自动生成新模型或修改现有模型。我们的方法基于示例,包括三个主要部分。首先,对3D范围扫描仪中的每个示例进行预处理,以使所有示例的拓扑相同。其次,我们称为建模合成器的系统从这些示例中了解参数与人体几何形状之间的相关性。经过这一学习过程,合成器致力于通过插值生成适当形状和比例的人体几何。最后,我们演示了修改器合成器,它可以使用高级参数(例如脂肪百分比)对示例模型进行更精细的处理。在任何合成模型上,都可以正确调整基础的骨骼和皮肤结构,以便使用联合动画可以使模型保持完全可动画化。通过允许对一组参数进行自动修改,我们的方法最终可能导致自动生成各种人口模型。

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