Papers › Syntax-Aware Action Targeting for Video Captioning

Syntax-Aware Action Targeting for Video Captioning

1 Jun 2020CVPR 2020 6archive 2025-07-28

Qi Zheng, Chaoyue Wang, Dacheng Tao

Existing methods on video captioning have made great efforts to identify objects/instances in videos, but few of them emphasize the prediction of action. As a result, the learned models are likely to depend heavily on the prior of training data, such as the co-occurrence of objects, which may cause an enormous divergence between the generated descriptions and the video content. In this paper, we explicitly emphasize the importance of action by predicting visually-related syntax components including subject, object and predicate. Specifically, we propose a Syntax-Aware Action Targeting (SAAT) module that firstly builds a self-attended scene representation to draw global dependence among multiple objects within a scene, and then decodes the visually-related syntax components by setting different queries. After targeting the action, indicated by predicate, our captioner learns an attention distribution over the predicate and the previously predicted words to guide the generation of the next word. Comprehensive experiments on MSVD and MSR-VTT datasets demonstrate the efficacy of the proposed model.

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