| 阈值分割在糖尿病性视网膜病变早期诊断中的应用 |
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| 引用本文： | 齐全,赵庆展,李曼青.阈值分割在糖尿病性视网膜病变早期诊断中的应用[J].青岛大学学报(自然科学版),2011,24(2):39-43. |
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| 作者姓名： | 齐全 赵庆展 李曼青 |
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| 作者单位： | 石河子大学信息科学与技术学院,新疆,石河子,832003 |
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| 摘 要： | 微动脉瘤和硬性渗出物是糖尿病性视网膜病变重要的早期症状，为了能够准确定位糖尿病性视网膜病变眼底图像中的这两类病损信息，本文提出了一种基于阈值分割的全局和局部相结合的连通分量提取定位方法，利用全局阈值分割去除图像中的无关信息，先从全局角度获取图像中连通分量集合，再使用局部阈值提取和局部连通分量识别方法较精确的定位图像中的病损信息。实验结果表明，本文提出的算法可以较准确的定位糖尿病性视网膜病变眼底图像中的微动脉瘤和硬性渗出物，具有一定推广价值。
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| 关 键 词： | 微动脉瘤 硬性渗出物 阈值分割 连通分量 |
Application of Threshold Segmentation in Early Diagnosis of Diabetic Retinopathy |
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| QI Quan,ZHAO Qing-zhan,LI Man-qing.Application of Threshold Segmentation in Early Diagnosis of Diabetic Retinopathy[J].Journal of Qingdao University(Natural Science Edition),2011,24(2):39-43. |
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| Authors: | QI Quan ZHAO Qing-zhan LI Man-qing |
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| Institution: | QI Quan,ZHAO Qing-zhan,LI Man-qing(College of Information Science and Technology,Shihezi University,Shihezi 832003,Xinjiang China) |
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| Abstract: | Micro-aneurysms and hard exudates are important early symptoms in diabetic retinopathy.In order to accurately detect these two types of information in diabetic retinopathy images,a specific method is proposed in this paper,which eliminates useless information based on overall threshold,computes the set of overall connection domain,and precisely orientates microaneurysms by local threshold segmentation and local connection domain identification.Experimental results testify the good accuracy of this method. |
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| Keywords: | microaneurysm hard exudates threshold segmentation connection component |
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