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Comprehending and Transferring Facial Expressions Based on Statistical Shape and Texture Models

机译:基于统计形状和纹理模型来理解和转移面部表情

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We introduce an efficient approach for representing a human face using a limited number of images. This compact representation allows for meaningful manipulation of the face. Principal Components Analysis (PCA) utilized in our research makes possible the separation of facial features so as to build statistical shape and texture models. Thus changing the model parameters can create images with different expressions and poses. By presenting newly created faces for reviewers’ marking in terms of intensities on masculinity, friendliness and attractiveness, we analyze relations between the parameters and intensities. With feature selections, we sort those parameters by their importance in deciding the three aforesaid aspects. Thus we are able to control the models and transform a new face image to be a naturally masculine, friendly or attractive one. In the PCA-based feature space, we can successfully transfer expressions from one subject onto a novel person’s face.
机译:我们介绍了使用有限数量的图像代表人脸的有效方法。这种紧凑的表示允许对面部有意义的操纵。我们研究中使用的主要成分分析(PCA)使得面部特征的分离使得构建统计形状和纹理模型。因此,更改模型参数可以创建具有不同表达式和姿势的图像。通过向审查人员的强度提出新创建的面对审查员的标志,我们分析了参数与强度之间的关系。使用功能选择,我们在决定上述三个方面的重要性方面对这些参数进行排序。因此,我们能够控制模型,并将新的面部图像变换为自然的男性,友好或有吸引力的。在基于PCA的特征空间中,我们可以成功将表达式从一个主题转移到一个新颖的人的脸上。

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