Classification of optical coherence tomography images for diagnosing different ocular diseases

Peyman Gholami; Mohsen Sheikh Hassani; Mohana Kuppuswamy Parthasarathy; John S. Zelek; Vasudevan Lakshminarayanan

doi:10.1117/12.2292520

16 March 2018 Classification of optical coherence tomography images for diagnosing different ocular diseases

Peyman Gholami, Mohsen Sheikh Hassani, Mohana Kuppuswamy Parthasarathy, John S. Zelek, Vasudevan Lakshminarayanan

Proceedings Volume 10487, Multimodal Biomedical Imaging XIII; 1048705 (2018) https://doi.org/10.1117/12.2292520
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Optical Coherence tomography (OCT) images provide several indicators, e.g., the shape and the thickness of different retinal layers, which can be used for various clinical and non-clinical purposes. We propose an automated classification method to identify different ocular diseases, based on the local binary pattern features. The database consists of normal and diseased human eye SD-OCT images. We use a multiphase approach for building our classifier, including preprocessing, Meta learning, and active learning. Pre-processing is applied to the data to handle missing features from images and replace them with the mean or median of the corresponding feature. All the features are run through a Correlation-based Feature Subset Selection algorithm to detect the most informative features and omit the less informative ones. A Meta learning approach is applied to the data, in which a SVM and random forest are combined to obtain a more robust classifier. Active learning is also applied to strengthen our classifier around the decision boundary. The primary experimental results indicate that our method is able to differentiate between the normal and non-normal retina with an area under the ROC curve (AUC) of 98.6% and also to diagnose the three common retina-related diseases, i.e., Age-related Macular Degeneration, Diabetic Retinopathy, and Macular Hole, with an AUC of 100%, 95% and 83.8% respectively. These results indicate a better performance of the proposed method compared to most of the previous works in the literature.

Citation Download Citation

Peyman Gholami, Mohsen Sheikh Hassani, Mohana Kuppuswamy Parthasarathy, John S. Zelek, and Vasudevan Lakshminarayanan "Classification of optical coherence tomography images for diagnosing different ocular diseases", Proc. SPIE 10487, Multimodal Biomedical Imaging XIII, 1048705 (16 March 2018); https://doi.org/10.1117/12.2292520

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