Interactive Facial-Geometric-Feature Animation for Generating Expressions of Novel Faces
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概要
- 論文の詳細を見る
This paper introduces an interactive expression editing system that allows users to design facial expressions easily. Currently, popular example-based methods construct face models based on the examples of target face. The shortcoming of these methods is that they cannot create expressions for novel faces: target faces not previously recorded in the database. We propose a solution to overcome this limitation. We present an interactive facial-geometric-feature animation system for generating expressions of novel faces. Our system is easy to use. By click-dragging control points on the target face, on the computer screen display, unique expressions are generated automatically. To guarantee natural animation results, our animation model employs prior knowledge based on various individuals expressions. One model prior is learned from motion vector fields to guarantee effective facial motions. Another, different, model prior is learned from facial shape space to ensure the result has a real facial shape. Interactive animation problem is formulated in a maximum a posterior (MAP) framework to search for optimal results by combining the priors with user-defined constraints. We give an extension of the Motion Propagation (MP) algorithm to infer facial motions for novel target faces from a subset of the control points. Experimental results on different facial animations demonstrate the effectiveness of the proposed method. Moreover, one application of our system is exhibited in this paper, where users create expressions for facial sketches interactively.
- （社）電子情報通信学会の論文
- 2011-05-01
著者
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Nishio Yoshifumi
Faculty Of Engineering Tokushima University
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NISHIO Yoshifumi
the Faculty of Engineering, Tokushima University
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Zheng Nanning
Institute Of Artificial Intelligence And Robotics Xi'an Jiaotong University
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Liu Yuehu
Institute Of Artificial Intelligence And Robotics Xi'an Jiaotong University
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Nishio Yoshifumi
Electrical And Electronic Engineering The University Of Tokushima
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Yang Lei
Institute Of Biochemistry And Cell Biology Shanghai Institutes For Biological Sciences Chinese Acade
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Nishio Yoshifumi
Department Of Dept. Of Electrical And Electronics Engineering Tokushima University
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Yang Yang
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University
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Nishio Yoshifumi
The Faculty Of Science And Technology Keio University
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YUAN Zejian
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University
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Yuan Zejian
Institute Of Artificial Intelligence And Robotics Xi'an Jiaotong University
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Yang Lei
Institute Of Artificial Intelligence And Robotics Xi'an Jiaotong University
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Yang Yang
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University
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