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Generating a population of animated faces from pictures

机译:从图片中生成动画面孔

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This paper describes a simple and robust method for generating photo-realistic animated face population in a virtual world. First we make a small set of 3D-virtual faces just using photo data, using a method so called virtual cloning. Then we use very intuitive 3D-morphing system to generate a new population, which is profited from 3D-structure of existing virtual faces. The virtual cloning method uses a set of orthogonal pictures of a person. This efficient method for reconstructing 3D heads suitable for animation starts with the extraction of feature points from the orthogonal picture sets. A previously constructed, animation-ready generic model is transformed to each individualized head based on the features extracted from the orthogonal pictures. Using projections of the 3D head, a 2D texture image is obtained for an individual reconstructed from pictures, which is then fitted to the clone, a fully automated procedure resulting in 360-degree seamless texture mapping. We also introduce an extremely fast dynamic system for 3D morphing with 3D spatial interpolation and powerful 2D texture-image metamorphosis based on triangulation inherited from 3D structure of virtual faces. The interface allows for the real-time inspection and control of the morphing process.
机译:本文介绍了一种简单而坚固的方法,可以在虚拟世界中生成照片逼真的动画脸部。首先,我们使用所谓的虚拟克隆的方法制作一小组3D虚拟面。然后,我们使用非常直观的3D变形系统来生成新的人口,这是从现有虚拟面的3D结构中获利的新人口。虚拟克隆方法使用人的一组正交图片。用于重建适用于动画的3D头的这种有效方法从来自正交图片集的特征点的提取开始。先前构造的动画就绪通用模型基于从正交图片中提取的特征转换为每个单独的头部。使用3D头的突起,获得从图像重建的个体的2D纹理图像,然后将其安装到克隆,这是一个完全自动化的过程,得到360度无缝纹理映射。我们还为3D空间插值和三角扫描继承了3D空间插值和强大的2D纹理图像变态,引入了一个极快的3D变形动态系统。该接口允许实时检查和控制变形过程。

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