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Alternative TitleAutomatic segmentation of optic disc and cup using multiphase active contour model in fundus images
郑姗; 范慧杰; 唐延东; 王琰
Source Publication中国图象图形学报
Indexed ByCSCD
Contribution Rank1
Funding Organization沈阳市科技创新专项资金项目
Keyword眼底图像 杯盘分割 C-v模型 椭圆形约束多相主动轮廓模型 多相水平集函数
Other AbstractThe detection of optic disc and cup is important in fundus image analysis and in the computer—aided diagnosis of optic nerve disease.In this study,an elliptical multiphase active contour model is proposed based on the oval shape of the optic disc and cup.The proposed algorithm can segment the optic disc and cup simultaneously and exactly. Method First,a multiphase active contour model is developed based on gray images of the optic disc and cup with different brightness levels.Afterward,the oval constraints are embedded in the model.The parametric equation of an ellipse can be obtained by finding the solution for the energy function of the model.Two oval initial curves are initially set.The evolution equation drive curves move toward the direction of the optic disc and cup.The curve evolution stops upon reaching the object contour border.Result The proposed algorithm is validated through experiments on its anti—noise ability and on the selection of different initial curves using different medical fundus images.The obtained results are compared with those of other algorithms.The experimental results show that unlike other models,the proposed model can simultaneously segment the optic disc and cup.The approach proposed in this paper can achieve superior image segmentation results. Conclusion A novel image segmentation method is presented in this work.The experimental results show that the method can accurately segment the optic disc and cup.The algorithm is proven to be not pretreatment,robust,and efficient. 
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Document Type期刊论文
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GB/T 7714
郑姗,范慧杰,唐延东,等. 多相主动轮廓模型的眼底图像杯盘分割[J]. 中国图象图形学报,2014,19(11):1604-1612.
APA 郑姗,范慧杰,唐延东,&王琰.(2014).多相主动轮廓模型的眼底图像杯盘分割.中国图象图形学报,19(11),1604-1612.
MLA 郑姗,et al."多相主动轮廓模型的眼底图像杯盘分割".中国图象图形学报 19.11(2014):1604-1612.
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