期刊
NEURAL NETWORKS
卷 165, 期 -, 页码 310-320出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neunet.2023.05.029
关键词
Retinal vessel segmentation; Encoder-decoder; Contextual network; Adversarial learning; Diabetic retinopathy
This paper proposes a computer-aided diagnosis method for retinal diseases called Multi-resolution Contextual Network (MRC-Net). It learns contextual dependencies between semantically different features by extracting multi-scale features and uses bi-directional recurrent learning to model dependencies. Moreover, it improves the performance of the segmentation network through adversarial training for foreground segmentation. The method outperforms competitive approaches in terms of Dice score and Jaccard index on three benchmark datasets.
Timely and affordable computer-aided diagnosis of retinal diseases is pivotal in precluding blindness. Accurate retinal vessel segmentation plays an important role in disease progression and diagnosis of such vision-threatening diseases. To this end, we propose a Multi-resolution Contextual Network (MRC-Net) that addresses these issues by extracting multi-scale features to learn contextual depen-dencies between semantically different features and using bi-directional recurrent learning to model former-latter and latter-former dependencies. Another key idea is training in adversarial settings for foreground segmentation improvement through optimization of the region-based scores. This novel strategy boosts the performance of the segmentation network in terms of the Dice score (and correspondingly Jaccard index) while keeping the number of trainable parameters comparatively low. We have evaluated our method on three benchmark datasets, including DRIVE, STARE, and CHASE, demonstrating its superior performance as compared with competitive approaches elsewhere in the literature.(C) 2023 Elsevier Ltd. All rights reserved.
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