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Inicio  /  Applied Sciences  /  Vol: 12 Par: 24 (2022)  /  Artículo
ARTÍCULO
TITULO

A Hybrid Artificial Intelligence Model for Detecting Keratoconus

Zaid Abdi Alkareem Alyasseri    
Ali H. Al-Timemy    
Ammar Kamal Abasi    
Alexandru Lavric    
Husam Jasim Mohammed    
Hidenori Takahashi    
Jose Arthur Milhomens Filho    
Mauro Campos    
Rossen M. Hazarbassanov and Siamak Yousefi    

Resumen

Machine learning models have recently provided great promise in diagnosis of several ophthalmic disorders, including keratoconus (KCN). Keratoconus, a noninflammatory ectatic corneal disorder characterized by progressive cornea thinning, is challenging to detect as signs may be subtle. Several machine learning models have been proposed to detect KCN, however most of the models are supervised and thus require large well-annotated data. This paper proposes a new unsupervised model to detect KCN, based on adapted flower pollination algorithm (FPA) and the k-means algorithm. We will evaluate the proposed models using corneal data collected from 5430 eyes at different stages of KCN severity (1520 healthy, 331 KCN1, 1319 KCN2, 1699 KCN3 and 579 KCN4) from Department of Ophthalmology and Visual Sciences, Paulista Medical School, Federal University of São Paulo, São Paulo in Brazil and 1531 eyes (Healthy = 400, KCN1 = 378, KCN2 = 285, KCN3 = 200, KCN4 = 88) from Department of Ophthalmology, Jichi Medical University, Tochigi in Japan and used several accuracy metrics including Precision, Recall, F-Score, and Purity. We compared the proposed method with three other standard unsupervised algorithms including k-means, Kmedoids, and Spectral cluster. Based on two independent datasets, the proposed model outperformed the other algorithms, and thus could provide improved identification of the corneal status of the patients with keratoconus.

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Revista: Applied Sciences