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| 3D Visualization Method for Tongue Movements in Pronunciation |
| LI Rui1,2,3, YU Jun2,3, LUO Changwei2,3, WANG Zengfu1,2,3 |
1.Laboratory of Nuclear Environment Telerobot, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031
2. National Engineering Laboratory for Speech and Language Information Processing, University of Science and Technology of China, Hefei 230027
3.School of Information Science and Technology, University of Science and Technology of China, Hefei 230027 |
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Abstract Problem of 3D visualization of tongue movements in pronunciation is studied. Firstly, a precise 3D tongue model according to magnetic resonance imaging scan data is built. Based on the 3D tongue model, the electromagnetic articulometer(EMA) data collected from three points on tongue dorsum surface are used as the driven data. The mass spring technique is used to realize realistic tongue movements in pronunciation. To evaluate the effect of modeling and synthesis methods for tongue movements, the computer graphics techniques are employed to simulate the detailed effect of the tongue movements. Finally, the simulation results are compared with X-ray video of the motion characteristics of articulators for Mandarin Chinese recorded by a pronunciation specialist. The experimental result shows the proposed method achieves precise and realistic results of 3D tongue movements and it has a wide application prospect.
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Received: 10 September 2015
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About author:: 李 睿,女,1989年生,博士研究生,主要研究方向为计算机图形学、可视化语音处理、人机交互.E-mail:ruili89@mail.ustc.edu.cn.
(LI Rui, born in 1989, Ph.D. candidate. Her research inte-
rests include computer graphics, audio visual speech processing and human machine interaction.)
於 俊,男,1982年生,博士,副研究员,主要研究方向为人机交互、计算机图形学、可视化语音处理.E-mail:harryjun@ustc.edu.cn.
(YU Jun, born in 1982, Ph.D., associate professor. His research interests include human machine interaction, computer graphics and audio visual speech processing.)
罗常伟,男,1985年生,博士,主要研究方向为计算机图形学、人机交互、视频跟踪.E-mail:luocw@mail.ustc.edu.cn.
(LUO Changwei, born in 1985, Ph.D.. His research inte-
rests include computer graphics, human machine interaction and video tracking.)
汪增福(通讯作者),男,1960年生,博士,教授,主要研究方向为计算机视觉、模式识别、语音可视化、人机交互、智能机器人.E-mail:zfwang@ustc.edu.cn.
(WANG Zengfu(Corresponding author), born in 1960, Ph.D., professor. His research interests include computer vision, pattern recognition, audio visual speech processing, human machine interaction and intelligent robot.) |
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2016, Vol. 29 
