基于BLSTM-RNN的语音驱动逼真面部动画合成

阳珊, 樊博, 谢磊, 王丽娟, 宋謌平

清华大学学报（自然科学版） ›› 2017, Vol. 57 ›› Issue (3) : 250-256.

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清华大学学报（自然科学版） ›› 2017, Vol. 57 ›› Issue (3) : 250-256. DOI: 10.16511/j.cnki.qhdxxb.2017.26.005
计算机科学与技术

基于BLSTM-RNN的语音驱动逼真面部动画合成

  • 阳珊1, 樊博1, 谢磊1, 王丽娟2, 宋謌平2
作者信息 +

Speech-driven video-realistic talking head synthesis using BLSTM-RNN

  • YANG Shan1, FAN Bo1, XIE Lei1, WANG Lijuan2, SONG Geping2
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摘要

双向长短时记忆（bidirectional lorg short term memory，BLSTM）是一种特殊的递归神经网络（recurrent neural network，RNN），能够有效地对语音的长时上下文进行建模。该文提出一种基于深度BLSTM的语音驱动面部动画合成方法，利用说话人的音视频双模态信息训练BLSTM-RNN神经网络，采用主动外观模型（active appearance model，AAM）对人脸图像进行建模，将AAM模型参数作为网络输出，研究网络结构和不同语音特征输入对动画合成效果的影响。基于LIPS2008标准评测库的实验结果表明：具有BLSTM层的网络效果明显优于前向网络的，基于BLSTM-前向-BLSTM 256节点（BFB256）的三层模型结构的效果最佳，FBank、基频和能量组合可以进一步提升动画合成效果。

Abstract

This paper describes a deep bidirectional long short term memory (BLSTM) approach for speech-driven photo-realistic talking head animations. Long short-term memory (LSTM) is a recurrent neural network (RNN) architecture that is designed to model temporal sequences and their long-range dependencies more accurately than conventional RNNs. The deep BLSTM-RNN model is applied using a speaker's audio-visual bimodal data. The active appearance model (AAM) is used to model the facial movements with AAM parameters as the prediction targets of the neural network. This paper studies the impacts of different network architectures and acoustic features. Tests on the LIPS2008 audio-visual corpus show that networks with BLSTM layer(s) consistently outperform those having only feed-forward layers. The results show that the best network has a feed-forward layer inserted into two BLSTM layers with 256 nodes (BFB256) in the dataset. The combination of FBank, pitch and energy gives the best performance feature set for the speech-driven talking head animation task.

关键词

虚拟说话人 / 面部动画 / 双向长短时记忆(BLSTM) / 递归神经网络(RNN) / 主动外观模型(AAM)

Key words

talking avatar / facial animation / bidirectional long short term memory (BLSTM) / recurrent neural network (RNN) / active appearance model (AAM)

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阳珊, 樊博, 谢磊, 王丽娟, 宋謌平. 基于BLSTM-RNN的语音驱动逼真面部动画合成[J]. 清华大学学报（自然科学版）. 2017, 57(3): 250-256 https://doi.org/10.16511/j.cnki.qhdxxb.2017.26.005
YANG Shan, FAN Bo, XIE Lei, WANG Lijuan, SONG Geping. Speech-driven video-realistic talking head synthesis using BLSTM-RNN[J]. Journal of Tsinghua University(Science and Technology). 2017, 57(3): 250-256 https://doi.org/10.16511/j.cnki.qhdxxb.2017.26.005
中图分类号： TP391   

参考文献

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