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Image-based Text Classification using 2D Convolutional Neural Networks
We propose a new approach to text classification
in which we consider the input text as an image and apply
2D Convolutional Neural Networks to learn the local and
global semantics of the sentences from the variations of the
visual patterns of words. Our approach demonstrates that
it is possible to get semantically meaningful features from
images with text without using optical character recognition
and sequential processing pipelines, techniques that traditional
natural language processing algorithms require. To validate
our approach, we present results for two applications: text
classification and dialog modeling. Using a 2D Convolutional
Neural Network, we were able to outperform the state-ofart
accuracy results for a Chinese text classification task and
achieved promising results for seven English text classification
tasks. Furthermore, our approach outperformed the memory
networks without match types when using out of vocabulary
entities from Task 4 of the bAbI dialog dataset
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