Journal
KNOWLEDGE-BASED SYSTEMS
Volume 183, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.knosys.2019.104887
Keywords
New membrane systems; Multitask segmentation; Deep convolutional neural networks
Categories
Funding
- National Natural Science Foundation of China [61802234, 61876101]
- Natural Science Foundation of Shandong Province [ZR2019QF007]
- China Postdoctoral Project [2017M612 339]
- Natural Science Foundation for Distinguished Young Scholars of Shandong Province [JQ201516]
- Taishan Scholars Project of Shandong Province, Primary Research and Development Plan of Shandong Province [2018GGX101018]
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Automatic segmentation of microaneurysms (MAs), hard exudates (EXs) and optic disc (OD) are crucial to the diagnostic assessment of diabetic retinopathy (DR). However, the small sizes of MAs and EXs, as well as the large variations in the locations and shapes of MAs and EXs make these segmentation tasks challenging. To alleviate these challenges, in this paper, we propose a novel and automatic multitask segmentation method based on a new membrane system named a dynamic membrane system with hybrid structures. Three new types of rules in the new membrane system are designed to solve complex real applications in parallel. In membrane structures, efficient convolutional neural networks (CNNs) are implemented to perform pixel-wise segmentations of MAs, EXs and OD in DR. Evaluations on three public datasets demonstrate the robustness of our proposed method for correctly segmenting MAs, EXs and OD in various settings. Our experimental results outperform the state-of-the-art methods. (C) 2019 Elsevier B.V. All rights reserved.
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