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Stochastic Receptive Fields in Deep Convolutional Networks

TitleStochastic Receptive Fields in Deep Convolutional Networks
Publication TypeJournal Article
Year of Publication2015
AuthorsChung, A., M. J. Shafiee, and A. Wong
JournalVision Letters
Abstract

Deep convolutional neural networks (ConvNets) have rapidly grown in popularity due to their powerful capabilities in representing and modelling the high-level abstraction of complex data. However, ConvNets require an abundance of data to adequately train network parameters. To tackle this problem, we introduce the concept of stochastic receptive fields, where the receptive fields are stochastic realizations of a random field that obey a learned distribution. We study the efficacy of incorporating layers of stochastic receptive fields to a ConvNet to boost performance without the need for additional training data. Preliminary results showing an improvement in accuracy ( 2% drop in test error) was achieved by adding a layer of stochastic receptive fields to a ConvNet compared to adding a layer of fully-trained receptive fields, when training with a small training set consisting of 20% of the STL-10 dataset.

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