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Biharmonic deformation transfer with automatic key point selection

机译:具有自动关键点选择的双谐波变形传递

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摘要

Deformation transfer is an important research problem in geometry processing and computer animation. A fundamental problem for existing deformation transfer methods is to build reliable correspondences. This is challenging, especially when the source and target shapes differ significantly and manual labeling is typically used. We propose a novel deformation transfer method that aims at minimizing user effort. We adapt a biharmonic weight deformation framework which is able to produce plausible deformation even with only a few key points. We then develop an automatic algorithm to identify a minimum set of key points on the source model that characterizes the deformation well. While minimal user effort is still needed to specify corresponding points on the target model for the selected key points, our approach avoids the difficult problem of choosing key points. Experimental results demonstrate that our method, despite requiring little user effort, produces better deformation results than alternative solutions.
机译:变形传递是几何处理和计算机动画中的重要研究问题。现有变形传递方法的基本问题是建立可靠的对应关系。这具有挑战性,尤其是当源形状和目标形状明显不同并且通常使用手动标记时。我们提出了一种新颖的变形传递方法,旨在最大程度地减少用户的工作量。我们采用了双谐波重物变形框架,即使只有几个关键点也能够产生合理的变形。然后,我们开发一种自动算法,以识别源模型上能很好地表征变形的最小关键点集。尽管仍然需要最少的用户精力来为选定的关键点指定目标模型上的对应点,但是我们的方法避免了选择关键点的难题。实验结果表明,我们的方法尽管不需要用户付出什么努力,但与替代解决方案相比,产生的变形效果更好。

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