Abstract

Applying convolutional neural networks to large images is computationally expensive because the amount of computation scales linearly with the number of image pixels. We present a novel recurrent neural network model that is capable of extracting information from an image or video by adaptively selecting a sequence of regions or locations and only processing the selected regions at high resolution. Like convolutional neural networks, the proposed model has a degree of translation invariance built-in, but the amount of computation it performs can be controlled independently of the input image size. While the model is non-differentiable, it can be trained using reinforcement learning methods to learn task-specific policies. We evaluate our model on several image classification tasks, where it significantly outperforms a convolutional neural network baseline on cluttered images, and on a dynamic visual control problem, where it learns to track a simple object without an explicit training signal for doing so.

Keywords

Visual attentionPsychologyCognitive psychologyComputer sciencePerceptionNeuroscience

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Year
2014
Type
preprint
Citations
998
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Volodymyr Mnih, Nicolas Heess, Alex Graves et al. (2014). Recurrent Models of Visual Attention. arXiv (Cornell University) . https://doi.org/10.48550/arxiv.1406.6247

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DOI
10.48550/arxiv.1406.6247