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arXiv 1608.05045cs.CV
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基于大角度的三维动画骨架提取

Large Angle based Skeleton Extraction for 3D Animation

Hugo Martin, Raphael Fernandez, Yong Khoo

摘要:

在本文中,我们提出了一个解决方案,为任意的三维字符变形,通过调查的旋转角度分解和保持网格拓扑结构。在计算机图形学中,骨架提取和骨架驱动动画是一个非常活跃的领域,越来越受到研究者的关注。精度对于真实感动画和相关应用至关重要。基于骨架的三维变形已经得到了广泛的研究。然而,对于不同身体部位的大角度旋转的场景,现有技术相对较少解决,这通常产生不令人满意的结果。除了3D动画问题之外,我们还注意到,对于许多来自视频或深度流的3D骨架检测或跟踪应用,大角度旋转也是回归精度和鲁棒性的关键因素。我们引入了一个变形度量函数来量化变形前后的曲面曲率,这是大角度旋转检测的一个主要线索。实验结果表明,该方法适用于三维建模、动画、基于骨架的跟踪等应用。

英文摘要:

In this paper, we present a solution for arbitrary 3D character deformation by investigating rotation angle of decomposition and preserving the mesh topology structure. In computer graphics, skeleton extraction and skeleton-driven animation is an active areas and gains increasing interests from researchers. The accuracy is critical for realistic animation and related applications. There have been extensive studies on skeleton based 3D deformation. However for the scenarios of large angle rotation of different body parts, it has been relatively less addressed by the state-of-the-art, which often yield unsatisfactory results. Besides 3D animation problems, we also notice for many 3D skeleton detection or tracking applications from a video or depth streams, large angle rotation is also a critical factor in the regression accuracy and robustness. We introduced a distortion metric function to quantify the surface curviness before and after deformation, which is a major clue for large angle rotation detection. The intensive experimental results show that our method is suitable for 3D modeling, animation, skeleton based tracking applications.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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