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Tuesday, May 5, 2015

Ask Your Neurons: A Neural-based Approach to Answering Questions about Images. (arXiv:1505.01121v1 [cs.CV])

We address a question answering task on real-world im- ages that is set up as a Visual Turing Test. By combining latest advances in image representation and natural language processing, we propose Neural-Image-QA, an end-to-end formulation of this problem for which all parts are trained jointly. In contrast to previous efforts, we are facing a multi-modal problem where the language output (answer) is conditioned on visual and natural language input (ques- tion). Our result doubles the performance of the previous best result on this problem. We provide additional insights into the problem by analyzing how much information is con- tained only in the language part for which we provide a new human baseline. Further annotations were collected to study human consensus, which is related to the ambiguities inherent in this challenging task.



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