Coevolutionary generative adversarial networks for medical image augumentation at scale

D Flores, E Hemberg, J Toutouh… - Proceedings of the Genetic …, 2022 - dl.acm.org
Medical image processing can lack images for diagnosis. Generative Adversarial Networks
(GANs) provide a method to train generative models for data augmentation. Synthesized …

[HTML][HTML] Semi-supervised generative adversarial networks with spatial coevolution for enhanced image generation and classification

J Toutouh, S Nalluru, E Hemberg, UM O'Reilly - Applied Soft Computing, 2023 - Elsevier
Labeling images for classification can be expensive. Semi-Supervised Learning (SSL)
Generative Adversarial Network (GAN) methods train good classifiers with a few labeled …

How fitness aggregation methods affect the performance of competitive coeas on bilinear problems

MA Hevia Fajardo, PK Lehre - Proceedings of the Genetic and …, 2023 - dl.acm.org
Competitive co-evolutionary algorithms (CoEAs) do not rely solely on an external function to
assign fitness values to sampled solutions. Instead, they use the aggregation of outcomes …

Evolutionary Generative Models

J Correia, F Baeta, T Martins - Handbook of Evolutionary Machine …, 2023 - Springer
In the last decade, generative models have seen widespread use for their ability to generate
diverse artefacts in an increasingly simple way. Historically, the use of evolutionary …

Semi-Supervised Learning with Coevolutionary Generative Adversarial Networks

J Toutouh, S Nalluru, E Hemberg… - Proceedings of the …, 2023 - dl.acm.org
It can be expensive to label images for classification. Good classifiers or high-quality images
can be trained on unlabeled data with Generative Adversarial Network (GAN) methods. We …

Adversarial Evolutionary Learning with Distributed Spatial Coevolution

J Toutouh, E Hemberg, UM O'Reilly - Handbook of Evolutionary Machine …, 2023 - Springer
Abstract Adversarial Evolutionary Learning (AEL) is concerned with competing adversaries
that are adapting over time. This competition can be defined as a minimization …

Evolving SimGANs to improve abnormal electrocardiogram classification

G Wang, A Thite, R Talebi, A D'Achille… - Proceedings of the …, 2022 - dl.acm.org
Machine Learning models often require a large amount of data in order to be successful.
This is troublesome in domains where collecting real-world data is difficult and/or expensive …

Cooperative Coevolutionary Spatial Topologies for Autoencoder Training

E Hemberg, UM O'Reilly, J Toutouh - Proceedings of the Genetic and …, 2024 - dl.acm.org
Training autoencoders is non-trivial. Convergence to the identity function or overfitting are
common pitfalls. Population based algorithms like coevolutionary algorithms can provide …

Ranking Diversity Benefits Coevolutionary Algorithms on an Intransitive Game

MAH Fajardo, PK Lehre - … Conference on Parallel Problem Solving from …, 2024 - Springer
Competitive coevolutionary algorithms (CoEAs) often encounter so-called coevolutionary
pathologies particularly cycling behavior, which becomes more pronounced for games …

GP-based generative adversarial models

P Machado, F Baeta, T Martins, J Correia - Genetic Programming Theory …, 2023 - Springer
We explore the use of Artificial Neural Network (ANN)-guided Genetic Programming (GP) to
generate images that the guiding network classifies as belonging to a specific class. The …