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JOURNAL ARTICLE

Automatic detection of microaneurysms in retinal fundus images

Bo Wu, Weifang Zhu, Fei Shi, Shuxia Zhu, Xinjian Chen
Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society 2017, 55: 106-112
27595214
Diabetic retinopathy (DR) is one of the leading causes of new cases of blindness. Early and accurate detection of microaneurysms (MAs) is important for diagnosis and grading of diabetic retinopathy. In this paper, a new method for the automatic detection of MAs in eye fundus images is proposed. The proposed method consists of four main steps: preprocessing, candidate extraction, feature extraction and classification. A total of 27 characteristic features which contain local features and profile features are extracted for KNN classifier to distinguish true MAs from spurious candidates. The proposed method has been evaluated on two public database: ROC and e-optha. The experimental result demonstrates the efficiency and effectiveness of the proposed method, and it has the potential to be used to diagnose DR clinically.

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