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Dynamic Memory Networks for Visual and Textual Question Answering

2016-03-04Code Available0· sign in to hype

Caiming Xiong, Stephen Merity, Richard Socher

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Abstract

Neural network architectures with memory and attention mechanisms exhibit certain reasoning capabilities required for question answering. One such architecture, the dynamic memory network (DMN), obtained high accuracy on a variety of language tasks. However, it was not shown whether the architecture achieves strong results for question answering when supporting facts are not marked during training or whether it could be applied to other modalities such as images. Based on an analysis of the DMN, we propose several improvements to its memory and input modules. Together with these changes we introduce a novel input module for images in order to be able to answer visual questions. Our new DMN+ model improves the state of the art on both the Visual Question Answering dataset and the -10k text question-answering dataset without supporting fact supervision.

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Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
COCO Visual Question Answering (VQA) real images 1.0 open endedDMN+ [xiong2016dynamic]Percentage correct60.4Unverified
VQA v1 test-devDMN+Accuracy60.3Unverified
VQA v1 test-stdDMN+Accuracy60.4Unverified

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