3DiFACE: Diffusion-based Speech-driven 3D Facial Animation and Editing

• URL: http://arxiv.org/abs/2312.00870v1
• Date: Fri, 1 Dec 2023 19:01:05 GMT
• Title: 3DiFACE: Diffusion-based Speech-driven 3D Facial Animation and Editing
• Authors: Balamurugan Thambiraja, Sadegh Aliakbarian, Darren Cosker, Justus Thies
• Abstract summary: We present 3DiFACE, a novel method for personalized speech-driven 3D facial animation and editing. Our method outperforms existing state-of-the-art techniques and yields speech-driven animations with greater fidelity and diversity.
• Score: 22.30870274645442
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present 3DiFACE, a novel method for personalized speech-driven 3D facial animation and editing. While existing methods deterministically predict facial animations from speech, they overlook the inherent one-to-many relationship between speech and facial expressions, i.e., there are multiple reasonable facial expression animations matching an audio input. It is especially important in content creation to be able to modify generated motion or to specify keyframes. To enable stochasticity as well as motion editing, we propose a lightweight audio-conditioned diffusion model for 3D facial motion. This diffusion model can be trained on a small 3D motion dataset, maintaining expressive lip motion output. In addition, it can be finetuned for specific subjects, requiring only a short video of the person. Through quantitative and qualitative evaluations, we show that our method outperforms existing state-of-the-art techniques and yields speech-driven animations with greater fidelity and diversity.

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