【SIGGRAPH Asia 2012专题*技术论文】材料和图像：内部头发加光：头发重建的热办法

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【SIGGRAPH Asia 2012专题*技术论文】
材料和图像：内部头发加光：头发重建的热办法
Lighting Hair From The Inside: A Thermal Approach To Hair Recons***ction
Tomas Lay Herrera, Arno Zinke, Andreas Weber 摘要：可能产生的发型是一种非常具有挑战性的问题。尽管到目前为止最近的努力没有实际解决。目前的许多限制是有关的复杂性的头发。在本文中我们提出一个技术的头发的基础上重建的热成像。通过使用这一技术的几个问题，传统的基于图像的技术，如阴影和各向异性稀土flectance，是可以避免的。此外，头皮分割成为一个微不足道的问题，并没有特别在意照明已采取的头发，“点燃从内部”的头部为光源。捕获过程是快速的，只有需要一个单一的手持设备。该方法的潜力表现在一些具有挑战性的例子。 Abstract：Generating plausible hairstyles is a very challenging problem. Despite recent efforts no definite solution was presented so far. Many of the current limitations are related to the optical complexity of hair. In this paper we present a technique for hair recons***ction based on thermal imaging. By using this technique several issues of conventional image-based techniques, such as shadowing and anisotropy in reflectance, can be avoided. Moreover, hair-skin segmentation becomes a trivial problem, and no special care about lighting has to be taken, as the hair is “lit from inside” with the head as light source. The capture process is fast and requires a single hand-held device only. The potential of the proposed method is demonstrated by several challenging examples.
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