期刊
BIOMEDICAL ENGINEERING ONLINE
卷 18, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12938-019-0675-9
关键词
Diabetic retinopathy (DR); Microaneurysm (MA); Deep learning; Convolutional neural network (CNN)
Background and objectivesDiabetic retinopathy (DR) is the leading cause of blindness worldwide, and therefore its early detection is important in order to reduce disease-related eye injuries. DR is diagnosed by inspecting fundus images. Since microaneurysms (MA) are one of the main symptoms of the disease, distinguishing this complication within the fundus images facilitates early DR detection. In this paper, an automatic analysis of retinal images using convolutional neural network (CNN) is presented.MethodsOur method incorporates a novel technique utilizing a two-stage process with two online datasets which results in accurate detection while solving the imbalance data problem and decreasing training time in comparison with previous studies. We have implemented our proposed CNNs using the Keras library.ResultsIn order to evaluate our proposed method, an experiment was conducted on two standard publicly available datasets, i.e., Retinopathy Online Challenge dataset and E-Ophtha-MA dataset. Our results demonstrated a promising sensitivity value of about 0.8 for an average of >6 false positives per image, which is competitive with state of the art approaches.ConclusionOur method indicates significant improvement in MA-detection using retinal fundus images for monitoring diabetic retinopathy.
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