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Computer Science > Computer Vision and Pattern Recognition

Title:Explicit Reasoning over End-to-End Neural Architectures for Visual Question Answering

Abstract: Many vision and language tasks require commonsense reasoning beyond data-driven image and natural language processing. Here we adopt Visual Question Answering (VQA) as an example task, where a system is expected to answer a question in natural language about an image. Current state-of-the-art systems attempted to solve the task using deep neural architectures and achieved promising performance. However, the resulting systems are generally opaque and they struggle in understanding questions for which extra knowledge is required. In this paper, we present an explicit reasoning layer on top of a set of penultimate neural network based systems. The reasoning layer enables reasoning and answering questions where additional knowledge is required, and at the same time provides an interpretable interface to the end users. Specifically, the reasoning layer adopts a Probabilistic Soft Logic (PSL) based engine to reason over a basket of inputs: visual relations, the semantic parse of the question, and background ontological knowledge from word2vec and ConceptNet. Experimental analysis of the answers and the key evidential predicates generated on the VQA dataset validate our approach.
Comments: 9 pages, 3 figures, AAAI 2018
Cite as: arXiv:1803.08896 [cs.CV]
  (or arXiv:1803.08896v1 [cs.CV] for this version)

Submission history

From: Somak Aditya [view email]
[v1] Fri, 23 Mar 2018 17:17:16 UTC (3,946 KB)