Efficient Multiscale Multimodal Bottleneck Transformer for Audio-Video Classification

Fuente: arXiv
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Autor principal: Zhu, Wentao
Formato: Preprint
Publicado: 2024
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author Zhu, Wentao
author_facet Zhu, Wentao
contents In recent years, researchers combine both audio and video signals to deal with challenges where actions are not well represented or captured by visual cues. However, how to effectively leverage the two modalities is still under development. In this work, we develop a multiscale multimodal Transformer (MMT) that leverages hierarchical representation learning. Particularly, MMT is composed of a novel multiscale audio Transformer (MAT) and a multiscale video Transformer [43]. To learn a discriminative cross-modality fusion, we further design multimodal supervised contrastive objectives called audio-video contrastive loss (AVC) and intra-modal contrastive loss (IMC) that robustly align the two modalities. MMT surpasses previous state-of-the-art approaches by 7.3% and 2.1% on Kinetics-Sounds and VGGSound in terms of the top-1 accuracy without external training data. Moreover, the proposed MAT significantly outperforms AST [28] by 22.2%, 4.4% and 4.7% on three public benchmark datasets, and is about 3% more efficient based on the number of FLOPs and 9.8% more efficient based on GPU memory usage.
format Preprint
id arxiv_https___arxiv_org_abs_2401_04023
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Efficient Multiscale Multimodal Bottleneck Transformer for Audio-Video Classification
Zhu, Wentao
Computer Vision and Pattern Recognition
Artificial Intelligence
Machine Learning
Multimedia
Sound
Audio and Speech Processing
In recent years, researchers combine both audio and video signals to deal with challenges where actions are not well represented or captured by visual cues. However, how to effectively leverage the two modalities is still under development. In this work, we develop a multiscale multimodal Transformer (MMT) that leverages hierarchical representation learning. Particularly, MMT is composed of a novel multiscale audio Transformer (MAT) and a multiscale video Transformer [43]. To learn a discriminative cross-modality fusion, we further design multimodal supervised contrastive objectives called audio-video contrastive loss (AVC) and intra-modal contrastive loss (IMC) that robustly align the two modalities. MMT surpasses previous state-of-the-art approaches by 7.3% and 2.1% on Kinetics-Sounds and VGGSound in terms of the top-1 accuracy without external training data. Moreover, the proposed MAT significantly outperforms AST [28] by 22.2%, 4.4% and 4.7% on three public benchmark datasets, and is about 3% more efficient based on the number of FLOPs and 9.8% more efficient based on GPU memory usage.
title Efficient Multiscale Multimodal Bottleneck Transformer for Audio-Video Classification
topic Computer Vision and Pattern Recognition
Artificial Intelligence
Machine Learning
Multimedia
Sound
Audio and Speech Processing
url https://arxiv.org/abs/2401.04023