Semi-Supervised Deep Learning for Abnormality Classification in Retinal Images

Semi-Supervised Deep Learning for Abnormality Classification in Retinal Images
Title:
Semi-Supervised Deep Learning for Abnormality Classification in Retinal Images
Other Titles:
Machine Learning for Health (ML4H) Workshop at NeurIPS 2018
Publication Date:
08 December 2018
Citation:
Machine Learning for Health (ML4H) Workshop, Neural Information Processing Systems, 2018
Abstract:
Supervised deep learning algorithms have enabled significant performance gains in medical image classification tasks. But these methods rely on large labeled datasets that require resource-intensive expert annotation. Semi-supervised generative adversarial network (GAN) approaches offer a means to learn from limited labeled data alongside larger unlabeled datasets, but have not been applied to discern fine-scale, sparse or localized features that define medical abnormalities. To overcome these limitations, we propose a patch-based semi-supervised learning approach and evaluate performance on classification of diabetic retinopathy from funduscopic images. Our semi-supervised approach achieves high AUC with just 10-20 labeled training images, and outperforms the supervised baselines by upto 15% when less than 30% of the training dataset is labeled. Further, our method implicitly enables interpretation of the SSL predictions. As this approach enables good accuracy, resolution and interpretability with lower annotation burden, it sets the pathway for scalable applications of deep learning in clinical imaging.
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PublisherCopyrights
Funding Info:
This project was supported by funding from the Deep Learning 2.0 program at A*STAR, Singapore, and a training grant from the US National Institute of Biomedical Imaging and Bioengineering (NIBIB, 5T32EB1680). The content is solely the responsibility of the authors and does not necessarily represent the official views of the funders.
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