Abstract
Recently, there is a surge of interest in image-text multimodal representation learning, and many neural network based models have been proposed aiming to capture the interaction between two modalities with different forms of functions. Despite their success, a potential limitation of these methods is insufficient to model all kinds of interactions with a set of static parameters. To alleviate this problem, we present a dynamic interaction network, in which the parameters of the interaction function are dynamically generated by a meta network. Additionally, to provide necessary multimodal features that the meta network needs, we propose a new neural module called Multimodal Transformer. Experimentally, we not only make a comprehensively quantitative evaluation on four image-text tasks, but also show some interpretable analyses of our models, revealing the internal working mechanism of the dynamic parameter learning.
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