SyncTalk: The Devil is in the Synchronization for Talking Head Synthesis

• URL: http://arxiv.org/abs/2311.17590v2
• Date: Sun, 28 Apr 2024 13:54:29 GMT
• Title: SyncTalk: The Devil is in the Synchronization for Talking Head Synthesis
• Authors: Ziqiao Peng, Wentao Hu, Yue Shi, Xiangyu Zhu, Xiaomei Zhang, Hao Zhao, Jun He, Hongyan Liu, Zhaoxin Fan,
• Abstract summary: A lifelike talking head requires synchronized coordination of subject identity, lip movements, facial expressions, and head poses. Traditional Generative Adversarial Networks (GAN) struggle to maintain consistent facial identity. NeRF-based method effectively maintains subject identity, enhancing synchronization and realism in talking head synthesis.
• Score: 24.565073576385913
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Achieving high synchronization in the synthesis of realistic, speech-driven talking head videos presents a significant challenge. Traditional Generative Adversarial Networks (GAN) struggle to maintain consistent facial identity, while Neural Radiance Fields (NeRF) methods, although they can address this issue, often produce mismatched lip movements, inadequate facial expressions, and unstable head poses. A lifelike talking head requires synchronized coordination of subject identity, lip movements, facial expressions, and head poses. The absence of these synchronizations is a fundamental flaw, leading to unrealistic and artificial outcomes. To address the critical issue of synchronization, identified as the "devil" in creating realistic talking heads, we introduce SyncTalk. This NeRF-based method effectively maintains subject identity, enhancing synchronization and realism in talking head synthesis. SyncTalk employs a Face-Sync Controller to align lip movements with speech and innovatively uses a 3D facial blendshape model to capture accurate facial expressions. Our Head-Sync Stabilizer optimizes head poses, achieving more natural head movements. The Portrait-Sync Generator restores hair details and blends the generated head with the torso for a seamless visual experience. Extensive experiments and user studies demonstrate that SyncTalk outperforms state-of-the-art methods in synchronization and realism. We recommend watching the supplementary video: https://ziqiaopeng.github.io/synctalk

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