A Novel Speech-Driven Lip-Sync Model with CNN and LSTM
- URL: http://arxiv.org/abs/2205.00916v1
- Date: Mon, 2 May 2022 13:57:50 GMT
- Title: A Novel Speech-Driven Lip-Sync Model with CNN and LSTM
- Authors: Xiaohong Li, Xiang Wang, Kai Wang, Shiguo Lian
- Abstract summary: We present a combined deep neural network of one-dimensional convolutions and LSTM to generate displacement of a 3D template face model from variable-length speech input.
In order to enhance the robustness of the network to different sound signals, we adapt a trained speech recognition model to extract speech feature.
We show that our model is able to generate smooth and natural lip movements synchronized with speech.
- Score: 12.747541089354538
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Generating synchronized and natural lip movement with speech is one of the
most important tasks in creating realistic virtual characters. In this paper,
we present a combined deep neural network of one-dimensional convolutions and
LSTM to generate vertex displacement of a 3D template face model from
variable-length speech input. The motion of the lower part of the face, which
is represented by the vertex movement of 3D lip shapes, is consistent with the
input speech. In order to enhance the robustness of the network to different
sound signals, we adapt a trained speech recognition model to extract speech
feature, and a velocity loss term is adopted to reduce the jitter of generated
facial animation. We recorded a series of videos of a Chinese adult speaking
Mandarin and created a new speech-animation dataset to compensate the lack of
such public data. Qualitative and quantitative evaluations indicate that our
model is able to generate smooth and natural lip movements synchronized with
speech.
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