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- W2079504265 abstract "Audio-to-visual conversion is the basic problem of speech-driven facial animation. Since the conversion problem is to predict facial control parameters from the acoustic speech, the informative representation of audio, i.e., the audio feature, is important to get a good prediction. This paper presents a performance comparison on prosodic features, articulatory features, and perceptual features for the audio-to-visual conversion problem on a common test bed. Experimental results show that the Mel frequency cepstral coefficients (MFCCs) produce the best performance, followed by the perceptual linear prediction coefficients (PLPC), the linear predictive cepstral coefficients (LPCCs), and the prosodic feature set (F <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0</sub> and energy). The combination of three kinds of features can further improve the prediction performance on facial parameters. It unveils that different audio features carry complementary information relevant to facial animation" @default.
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- W2079504265 date "2006-01-01" @default.
- W2079504265 modified "2023-10-01" @default.
- W2079504265 title "A Comparative Study of Audio Features for Audio-to-Visual Conversion in Mpeg-4 Compliant Facial Animation" @default.
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- W2079504265 doi "https://doi.org/10.1109/icmlc.2006.259085" @default.
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