Fine-tuning Generative Adversarial Networks using Metaheuristics: A Case Study on Barrett’s Esophagus Identification

Luis A. Souza, Leandro A. Passos, Robert Mendel, Alanna Ebigbo, Andreas Probst, Helmut Messmann, Christoph Palm, João Paulo Papa
Federal University of São Carlos - UFScar, Department of Computing


Barrett’s esophagus denotes a disorder in the digestive system that affects the esophagus’ mucosal cells, causing reflux, and showing potential convergence to esophageal adenocarcinoma if not treated in initial stages. Thus, fast and reliable computer-aided diagnosis becomes considerably welcome. Nevertheless, such approaches usually suffer from imbalanced datasets, which can be addressed through Generative Adversarial Networks (GANs). Such techniques generate realistic images based on observed samples, even though at the cost of a proper selection of its hyperparameters. Many works employed a class of nature-inspired algorithms called metaheuristics to tackle the problem considering distinct deep learning approaches. Therefore, this paper’s main contribution is to introduce metaheuristic techniques to fine-tune GANs in the context of Barrett’s esophagus identification, as well as to investigate the feasibility of generating high-quality synthetic images for early-cancer assisted identification.

Postersession 2, Generative Adversarial Networks


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