CASIA OpenIR  > 09年以前成果
Retinal vessel enhancement and extraction based on directional field
Chen, Jian1; Tian, Jie1,2; Tang, Zichun1; Xue, Jian1; Dai, Yakang1; Zheng, Jian1
2008
发表期刊JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY
卷号16期号:3页码:189-201
文章类型Article
摘要In order to extract the low contrast vessels in retinal images, we propose a novel enhancement algorithm based on directional field and develop a robust retinal vessel extraction framework. The proposed enhancement algorithm can significantly improve the contrast of vasculature especially the slim vessels and low contrast vessels. In our framework, we first enhance the vasculature by the proposed enhancement algorithm, and extract the vessels from the enhanced image by a local extraction method. Secondly, we apply a series of modified top-hat transform to original image, and use a binary morphological reconstruction to extract the large size vessels. Finally, the whole vasculature is provided by an organic combination algorithm. The first step extracts the slim vessels and low contrast vessels well but misses some bifurcations and cross pixels. On the other hand, the second step preserves the bifurcations and cross pixels but misses some slim vessels and low contrast vessels. Therefore, the combination of the two methods can provide satisfactory extraction of vasculature. Experimental results show that our method outperforms existing algorithms in terms of sensitivity and accuracy when testing on 'DRIVE' and 'STARE' databases.
关键词Extraction Based Directional Field
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]FUNDUS IMAGES ; SEGMENTATION ; ANGIOGRAMS ; ALGORITHM ; MODEL
收录类别SCI
语种英语
WOS研究方向Instruments & Instrumentation ; Optics ; Physics
WOS类目Instruments & Instrumentation ; Optics ; Physics, Applied
WOS记录号WOS:000260150500003
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9603
专题09年以前成果
通讯作者Tian, Jie
作者单位1.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
2.Xidian Univ, Life Sci Ctr, Xian 710071, Shanxi, Peoples R China
推荐引用方式
GB/T 7714
Chen, Jian,Tian, Jie,Tang, Zichun,et al. Retinal vessel enhancement and extraction based on directional field[J]. JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY,2008,16(3):189-201.
APA Chen, Jian,Tian, Jie,Tang, Zichun,Xue, Jian,Dai, Yakang,&Zheng, Jian.(2008).Retinal vessel enhancement and extraction based on directional field.JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY,16(3),189-201.
MLA Chen, Jian,et al."Retinal vessel enhancement and extraction based on directional field".JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY 16.3(2008):189-201.
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