Cross-Modal Mutual Learning for Cued Speech Recognition

• URL: http://arxiv.org/abs/2212.01083v1
• Date: Fri, 2 Dec 2022 10:45:33 GMT
• Title: Cross-Modal Mutual Learning for Cued Speech Recognition
• Authors: Lei Liu and Li Liu
• Abstract summary: We propose a transformer based cross-modal mutual learning framework to prompt multi-modal interaction. Our model forces modality-specific information of different modalities to pass through a modality-invariant codebook. We establish a novel large-scale multi-speaker CS dataset for Mandarin Chinese.
• Score: 10.225972737967249
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Automatic Cued Speech Recognition (ACSR) provides an intelligent human-machine interface for visual communications, where the Cued Speech (CS) system utilizes lip movements and hand gestures to code spoken language for hearing-impaired people. Previous ACSR approaches often utilize direct feature concatenation as the main fusion paradigm. However, the asynchronous modalities (\textit{i.e.}, lip, hand shape and hand position) in CS may cause interference for feature concatenation. To address this challenge, we propose a transformer based cross-modal mutual learning framework to prompt multi-modal interaction. Compared with the vanilla self-attention, our model forces modality-specific information of different modalities to pass through a modality-invariant codebook, collating linguistic representations for tokens of each modality. Then the shared linguistic knowledge is used to re-synchronize multi-modal sequences. Moreover, we establish a novel large-scale multi-speaker CS dataset for Mandarin Chinese. To our knowledge, this is the first work on ACSR for Mandarin Chinese. Extensive experiments are conducted for different languages (\textit{i.e.}, Chinese, French, and British English). Results demonstrate that our model exhibits superior recognition performance to the state-of-the-art by a large margin.

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