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
Source PublicationJOURNAL OF X-RAY SCIENCE AND TECHNOLOGY
2008
Volume16Issue:3Pages:189-201
SubtypeArticle
AbstractIn 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.
KeywordExtraction Based Directional Field
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS KeywordFUNDUS IMAGES ; SEGMENTATION ; ANGIOGRAMS ; ALGORITHM ; MODEL
Indexed BySCI
Language英语
WOS Research AreaInstruments & Instrumentation ; Optics ; Physics
WOS SubjectInstruments & Instrumentation ; Optics ; Physics, Applied
WOS IDWOS:000260150500003
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9603
Collection09年以前成果
Corresponding AuthorTian, Jie
Affiliation1.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
2.Xidian Univ, Life Sci Ctr, Xian 710071, Shanxi, Peoples R China
Recommended Citation
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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