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Efficient lip-synch tool for 3D cartoon animation.

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Title: Efficient lip-synch tool for 3D cartoon animation.
Authors: Kawamoto, Shin-ichi1 shinichi.kawamoto@atr.jp, Yotsukura, Tatsuo, Anjyo, Ken, Nakamura, Satoshi
Source: Computer Animation & Virtual Worlds. Aug2008, Vol. 19 Issue 3/4, p247-257. 11p. 12 Color Photographs.
Subjects: Computer-aided imagery software, Speech processing systems, 3-D films, Computer drawing, Cartooning techniques, Interpolation spaces, Face, Lips
Abstract: We propose a set of algorithms to efficiently make speech animation for 3D cartoon characters. Our prototype system is based on blendshapes, a linear interpolation technique, which is widely used in facial animation practice. In our system, a few base target shapes of the character, prerecorded voice, and its transcription are required as input. We describe a simple technique that amplifies the target shapes from few inputs using a generic database of viseme mouth shapes. We also introduce additional lip-synch editing parameters that allow designers to quickly tune the lip movements. Based on these, we implement our prototype system as a Maya plug-in. The demonstration movies created with this system illustrate well the practicality of our approach. Copyright © 2008 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of Computer Animation & Virtual Worlds is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: <searchLink fieldCode="AR" term="%22Kawamoto%2C+Shin-ichi%22">Kawamoto, Shin-ichi</searchLink><relatesTo>1</relatesTo><i> shinichi.kawamoto@atr.jp</i><br /><searchLink fieldCode="AR" term="%22Yotsukura%2C+Tatsuo%22">Yotsukura, Tatsuo</searchLink><br /><searchLink fieldCode="AR" term="%22Anjyo%2C+Ken%22">Anjyo, Ken</searchLink><br /><searchLink fieldCode="AR" term="%22Nakamura%2C+Satoshi%22">Nakamura, Satoshi</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Computer+Animation+%26+Virtual+Worlds%22">Computer Animation & Virtual Worlds</searchLink>. Aug2008, Vol. 19 Issue 3/4, p247-257. 11p. 12 Color Photographs.
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  Data: <searchLink fieldCode="DE" term="%22Computer-aided+imagery+software%22">Computer-aided imagery software</searchLink><br /><searchLink fieldCode="DE" term="%22Speech+processing+systems%22">Speech processing systems</searchLink><br /><searchLink fieldCode="DE" term="%223-D+films%22">3-D films</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+drawing%22">Computer drawing</searchLink><br /><searchLink fieldCode="DE" term="%22Cartooning+techniques%22">Cartooning techniques</searchLink><br /><searchLink fieldCode="DE" term="%22Interpolation+spaces%22">Interpolation spaces</searchLink><br /><searchLink fieldCode="DE" term="%22Face%22">Face</searchLink><br /><searchLink fieldCode="DE" term="%22Lips%22">Lips</searchLink>
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  Data: We propose a set of algorithms to efficiently make speech animation for 3D cartoon characters. Our prototype system is based on blendshapes, a linear interpolation technique, which is widely used in facial animation practice. In our system, a few base target shapes of the character, prerecorded voice, and its transcription are required as input. We describe a simple technique that amplifies the target shapes from few inputs using a generic database of viseme mouth shapes. We also introduce additional lip-synch editing parameters that allow designers to quickly tune the lip movements. Based on these, we implement our prototype system as a Maya plug-in. The demonstration movies created with this system illustrate well the practicality of our approach. Copyright © 2008 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Computer Animation & Virtual Worlds is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/cav.250
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        Text: English
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        Type: general
      – SubjectFull: Speech processing systems
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      – SubjectFull: 3-D films
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      – SubjectFull: Computer drawing
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      – SubjectFull: Cartooning techniques
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      – SubjectFull: Interpolation spaces
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            – D: 01
              M: 08
              Text: Aug2008
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              Y: 2008
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