Cited by 26Multimodal Machine Learning ApplicationsSpeech and Audio ProcessingVideo Analysis and Summarization

A Unimodal Representation Learning and Recurrent Decomposition Fusion Structure for Utterance-Level Multimodal Embedding Learning

Mai, Sijie, Hu, Haifeng, Xing, Songlong·2022·IEEE Transactions on Multimedia

Abstract

Learning a unified embedding for utterance-level video attracts significant attention recently due to the rapid development of social media and its broad applications. An utterance normally contains not only spoken language but also the nonverbal behaviors such as facial expressions and vocal patterns. Instead of directly learning utterance embedding based on low-level features, we firstly explore high-level representation for each modality separately via an unimodal representation learning gyroscope structure. In this way, the learnt unimodal representations are more representative and contain more abstract semantic information. In the gyroscope structure, we introduce multi-scale kernel learning, ‘channel expansion’ and ‘channel fusion’ operations to explore high-level features both spatially and channelwise. Another insight of our method lies in that we fuse representations of all modalities to obtain a unified embedding by interpreting fusion procedure as the flow of inter-modality information between various modalities, which is more specialized in terms of the information to be fused and the fusion process. Specifically, considering that each modality carries modality-specific and cross-modality interactions, we innovate to decompose unimodal representations into intra- and inter-modality dynamics using gating mechanism, and further fuse the inter-modality dynamics by passing them from previous modalities to the following one using a recurrent neural fusion architecture. Extensive experiments demonstrate that our method achieves state-of-the-art performance on multiple benchmark datasets.

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Crossref · 10.1109/tmm.2021.3082398

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Authors
Mai, S., Hu, H., & Xing, S.
Affiliations
Sun Yat-sen University (CN)
Venue
IEEE Transactions on Multimedia
Published
2022
Volume
24
Pages
2488-2501
ISSN
  • 1520-9210 (ISSN-L)
  • 1941-0077
OpenAlex
W3164173240
Cited by
26
References
74
Citations by year
2026: 2 · 2025: 6 · 2024: 7 · 2023: 6 · 2022: 3 · 2021: 2
FWCI
1.62
Type
journal article
Language
en
Open access
closed
Locations
IEEE Transactions on Multimedia (publishedVersion)
Funders
National Natural Science Foundation of China (62076262, 61673402, 61273270, 60802069)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
  • Physical Sciences › Computer Science › Signal Processing › Speech and Audio Processing
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Video Analysis and Summarization
Keywords
multimodal fusion, facial expressions, nonverbal behavior, channel expansion, channel fusion, gating mechanism, social media videos

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