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How does simulating aspects of primate infant visual development inform trainingof CNNs?

Abstract

Primate visual development is characterized by low visual acuity and colour sensitivity besides high plasticity and synapticgrowth in the first year of infancy, prior to the development of specific visual-cognitive functions. In this work, weinvestigate the possible synergy between the gradual variation in visual input distribution and the concurrent growth of astatistical model of vision on the task of large-scale object classification. We adopt deep convolutional neural networks(CNNs) as a statistical model of vision and study its performance in 4 training setups each varying in either the modelbeing static or growing in parameters or the visual input being fully-formed or refining in saturation, contrast and spatialresolution. Our experiments indicate that a setup reflective of infant visual development, wherein a gradually growingmodel is trained on a refining visual input distribution, converges to a better generalization at a faster rate in comparisonto other setups.

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