DialogueNeRF: Towards Realistic Avatar Face-to-Face Conversation Video Generation

• URL: http://arxiv.org/abs/2203.07931v2
• Date: Sat, 12 Aug 2023 14:45:58 GMT
• Title: DialogueNeRF: Towards Realistic Avatar Face-to-Face Conversation Video Generation
• Authors: Yichao Yan, Zanwei Zhou, Zi Wang, Jingnan Gao, Xiaokang Yang
• Abstract summary: Face-to-face conversations account for the vast majority of daily conversations. Most existing methods focused on single-person talking head generation. We propose a novel unified framework based on neural radiance field (NeRF)
• Score: 54.84137342837465
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Conversation is an essential component of virtual avatar activities in the metaverse. With the development of natural language processing, textual and vocal conversation generation has achieved a significant breakthrough. However, face-to-face conversations account for the vast majority of daily conversations, while most existing methods focused on single-person talking head generation. In this work, we take a step further and consider generating realistic face-to-face conversation videos. Conversation generation is more challenging than single-person talking head generation, since it not only requires generating photo-realistic individual talking heads but also demands the listener to respond to the speaker. In this paper, we propose a novel unified framework based on neural radiance field (NeRF) to address this task. Specifically, we model both the speaker and listener with a NeRF framework, with different conditions to control individual expressions. The speaker is driven by the audio signal, while the response of the listener depends on both visual and acoustic information. In this way, face-to-face conversation videos are generated between human avatars, with all the interlocutors modeled within the same network. Moreover, to facilitate future research on this task, we collect a new human conversation dataset containing 34 clips of videos. Quantitative and qualitative experiments evaluate our method in different aspects, e.g., image quality, pose sequence trend, and naturalness of the rendering videos. Experimental results demonstrate that the avatars in the resulting videos are able to perform a realistic conversation, and maintain individual styles. All the code, data, and models will be made publicly available.

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