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Glaucoma screening using an attention-guided stereo ensemble network
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DOI：10.1016/j.ymeth.2021.06.010.png)
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摘要
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Glaucoma is a chronic eye disease, which causes gradual vision loss and eventually blindness. Accurate glaucoma screening at early stage is critical to mitigate its aggravation. Extracting high-quality features are critical in training of classification models. In this paper, we propose a deep ensemble network with attention mechanism that detects glaucoma using optic nerve head stereo images. The network consists of two main sub-components, a deep Convolutional Neural Network that obtains global information and an Attention-Guided Network that localizes optic disc while maintaining beneficial information from other image regions. Both images in a stereo pair are fed into these sub-components, the outputs are fused together to generate the final prediction result. Abundant image features from different views and regions are being extracted, providing compensation when one of the stereo images is of poor quality. The attention-based localization method is trained in a weakly supervised manner and only image-level annotation is required, which avoids expensive segmentation labelling. Results from real patient images show that our approach increases recall (sensitivity) from the state-of-theart 88.89% to 95.48%, while maintaining precision and performance stability. The marked reduction in false negative rate can significantly enhance the chance of successful early diagnosis of glaucoma.
Keyword:
Computer-aided screening and diagnosis
Neural network
Glaucoma
Deep learning
Stereoscopy
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4.3
论文数:
4.9K
被引数:
2.4W
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Glaucoma diagnosis based on both hidden features and domain knowledge through deep learning models
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