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Sparsely ensembled convolutional neural network classifiers via reinforcement learning

2021-02-07 21:26:57
Roman Malashin ((1) Pavlov institute of Physiology RAS, (2) State University of Aerospace Instrumentation, Saint-Petersburg, Russia)
arXiv_AI
             
Abstract

We consider convolutional neural network (CNN) ensemble learning with the objective function inspired by least action principle; it includes resource consumption component. We teach an agent to perceive images through the set of pre-trained classifiers and want the resulting dynamically configured system to unfold the computational graph with the trajectory that refers to the minimal number of operations and maximal expected accuracy. The proposed agent's architecture implicitly approximates the required classifier selection function with the help of reinforcement learning. Our experimental results prove, that if the agent exploits the dynamic (and context-dependent) structure of computations, it outperforms conventional ensemble learning.

Abstract (translated)

URL

https://arxiv.org/abs/2102.03921

PDF

https://arxiv.org/pdf/2102.03921.pdf

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