Age-Related Macular Degeneration Detection in Retinal Fundus Images by a Deep Convolutional Neural Network

Andrés García-Floriano () and Elías Ventura-Molina
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Andrés García-Floriano: Instituto Politécnico Nacional, Escuela Superior de Cómputo, Mexico City 07738, Mexico
Elías Ventura-Molina: Instituto Politécnico Nacional, Centro de Innovación y Desarrollo Tecnológico en Cómputo, Mexico City 07700, Mexico

Mathematics, 2024, vol. 12, issue 10, 1-18

Abstract: Computer-based pre-diagnosis of diseases through medical imaging is a task worked on for many years. The so-called fundus images stand out since they do not have uniform illumination and are highly sensitive to noise. One of the diseases that can be pre-diagnosed through fundus images is age-related macular degeneration, which initially manifests as the appearance of lesions called drusen. Several ways of pre-diagnosing macular degeneration have been proposed, methods based entirely on the segmentation of drusen with prior image processing have been designed and applied, and methods based on image pre-processing and subsequent conversion to feature vectors, or patterns, to be classified by a Machine-Learning model have also been developed. Finally, in recent years, the use of Deep-Learning models, particularly Convolutional Networks, has been proposed and used in classification problems where the data are only images. The latter has allowed the so-called transfer learning, which consists of using the learning achieved in the solution of one problem to solve another. In this paper, we propose the use of transfer learning through the Xception Deep Convolutional Neural Network to detect age-related macular degeneration in fundus images. The performance of the Xception model was compared against six other state-of-the-art models with a dataset created from images available in public and private datasets, which were divided into training/validation and test; with the training/validation set, the training was made using 10-fold cross-validation. The results show that the Xception neural network obtained a validation accuracy that surpasses other models, such as the VGG-16 or VGG-19 networks, and had an accuracy higher than 80% in the test set. We consider that the contributions of this work include the use of a Convolutional Neural Network model for the detection of age-related macular degeneration through the classification of fundus images in those affected by AMD (drusen) and the images of healthy patients. The performance of this model is compared against other methods featured in the state-of-the-art approaches, and the best model is tested on a test set outside the training and validation set.

Keywords: age-related macular degeneration; deep learning; transfer learning; fundus images (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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