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EPIC-KITCHENS-100 Unsupervised Domain Adaptation Challenge for Action Recognition 2021: Team M3EM Technical Report

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arxiv 2106.10026 v3 pith:X4EPNTYM submitted 2021-06-18 cs.CV

classification cs.CV
keywords modalitiesadaptationdomainunsupervisedacrossactionchallengeepic-kitchens-100
verification ladder T0 review T1 audit T2 compute T3 formal
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In this report, we describe the technical details of our submission to the 2021 EPIC-KITCHENS-100 Unsupervised Domain Adaptation Challenge for Action Recognition. Leveraging multiple modalities has been proved to benefit the Unsupervised Domain Adaptation (UDA) task. In this work, we present Multi-Modal Mutual Enhancement Module (M3EM), a deep module for jointly considering information from multiple modalities to find the most transferable representations across domains. We achieve this by implementing two sub-modules for enhancing each modality using the context of other modalities. The first sub-module exchanges information across modalities through the semantic space, while the second sub-module finds the most transferable spatial region based on the consensus of all modalities.

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  1. Exploring Audio Cues for Enhanced Test-Time Video Model Adaptation

    cs.CV 2025-06 conditional novelty 6.0 of 10

    Using audio-assisted pseudo-labels generated by a pretrained audio model and an LLM improves test-time adaptation of video classifiers on corrupted videos.

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