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We address the problem of cross-modal fine-grained action retrieval between and video. Cross-modal retrieval is commonly achieved through learning a embedding space, that can indifferently embed modalities. In this paper, propose to enrich the embedding by disentangling parts-of-speech (PoS) in accompanying captions. We build a separate multi-modal embedding space for PoS tag. The outputs of multiple PoS embeddings are then used as input to integrated multi-modal space, where we perform action retrieval. All are trained jointly through a combination of PoS-aware and-agnostic losses. Our proposal enables learning specialised embedding spaces offer multiple views of the same embedded entities. We report the first retrieval results on fine-grained actions for the-scale EPIC dataset, in a generalised zero-shot setting. Results show the of our approach for both video-to-text and text-to-video action. We also demonstrate the benefit of disentangling the PoS for the task of cross-modal video retrieval on the MSR-VTT dataset.
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Wray et al. (Fri,) studied this question.
synapsesocial.com/papers/6a153eb4d64fa333899f6b2f — DOI: https://doi.org/10.48550/arxiv.1908.03477
Michael Wray
University of Bristol
Diane Larlus
Institut national de recherche en sciences et technologies du numérique
Gabriela Csurka
Naver (South Korea)
University of Bristol
Institut de la Vision
Naver (South Korea)
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