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Erschienen in:
Blind Motion Deblurring Based on Fused - Regularization Kapitel lesen Erstes Kapitel lesen

2015 | OriginalPaper | Buchkapitel

One Simple Virtual Avatar System Based on Single Image

verfasst von : Lanfang Dong, Jianfu Wang, Kui Ni, Yatao Wang, Xian Wu, Mingxue Xu

Erschienen in: Image and Graphics

Verlag: Springer International Publishing

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Abstract

To establish virtual avatar systems at the computing environments with limited resources, we design such a system based on single image which can generate speech animation with different facial expressions. Firstly, facial feature points are extracted automatically or manually based on MPEG-4 facial animation to build the face model. Then, according to Facial Animation Parameters of visual phoneme and expression stream, the feature points after image warping are calculated. The next step is to generate the in-between frames by using the image warping algorithm based on scan lines and combining with the correlative time parameters. Finally, with adding the actions such as nodding, shaking heads and winking, the face animation is implemented. Experimental results show that the proposed system can generate smooth and realtime facial expressions under platforms with low computing capacity.

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Vorheriges Kapitel OCR with Adaptive Dictionary
Nächstes Kapitel Optimized Laplacian Sparse Coding for Image Classification
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Metadaten
Titel
One Simple Virtual Avatar System Based on Single Image
verfasst von
Lanfang Dong
Jianfu Wang
Kui Ni
Yatao Wang
Xian Wu
Mingxue Xu
Copyright-Jahr
2015
Buch
Image and Graphics

Print ISBN: 978-3-319-21962-2

Electronic ISBN: 978-3-319-21963-9

Copyright-Jahr: 2015

DOI
https://doi.org/10.1007/978-3-319-21963-9_57