Robust Audiovisual Speech Recognition Models with Mixture-of-Experts

• URL: http://arxiv.org/abs/2409.12370v1
• Date: Thu, 19 Sep 2024 00:08:28 GMT
• Title: Robust Audiovisual Speech Recognition Models with Mixture-of-Experts
• Authors: Yihan Wu, Yifan Peng, Yichen Lu, Xuankai Chang, Ruihua Song, Shinji Watanabe,
• Abstract summary: We introduce EVA, leveraging the mixture-of-Experts for audioVisual ASR to perform robust speech recognition for in-the-wild'' videos. We first encode visual information into visual tokens sequence and map them into speech space by a lightweight projection. Experiments show our model achieves state-of-the-art results on three benchmarks.
• Score: 67.75334989582709
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Visual signals can enhance audiovisual speech recognition accuracy by providing additional contextual information. Given the complexity of visual signals, an audiovisual speech recognition model requires robust generalization capabilities across diverse video scenarios, presenting a significant challenge. In this paper, we introduce EVA, leveraging the mixture-of-Experts for audioVisual ASR to perform robust speech recognition for ``in-the-wild'' videos. Specifically, we first encode visual information into visual tokens sequence and map them into speech space by a lightweight projection. Then, we build EVA upon a robust pretrained speech recognition model, ensuring its generalization ability. Moreover, to incorporate visual information effectively, we inject visual information into the ASR model through a mixture-of-experts module. Experiments show our model achieves state-of-the-art results on three benchmarks, which demonstrates the generalization ability of EVA across diverse video domains.

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