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Hyperparameter learning in restricted Boltzmann machines using genetic programming

Grant number: 18/10706-1
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2018
Effective date (End): December 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Computer Science - Computing Methodologies and Techniques
Principal Investigator:João Paulo Papa
Grantee:Guilherme Camargo de Oliveira
Host Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Associated research grant:14/12236-1 - AnImaLS: Annotation of Images in Large Scale: what can machines and specialists learn from interaction?, AP.TEM
Associated scholarship(s):19/13051-9 - Venous leg ulcers assessment using convolutional restricted Boltzmann machines with genetic programming for thermal imaging systems, BE.EP.IC


Machine learning techniques have been extensively used in a number of applications, mainly that ones based on deep learning. However, such techniques need to have their hyperparameters fine-tuned for each specific application, being crucial to their good performance. This proposal aims at introducing Genetic Programming (GP) for parameter fine-tuning in Restricted Boltzmann Machines (RBMs), being the results validated in the context of binary image reconstruction. For comparison purposes, other metaheuristic techniques will be considered in the experimental section, as well as other public datasets. As far as we are concerned, GP-based techniques have never been used to fine-tune hyperparameters in RBMs to date. Additonally, the proposal also considers an internship abroad via FAPESP/BEPE.

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