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- W1570379068 abstract "Glaucoma is a chronic disease which if not detected in early stages can lead to permanent blindness. The medical techniques used by ophthalmologists like HRT and OCT is costly and time consuming. Hence there is a need to develop automatic computer aided system which can detect glaucoma efficiently and in less time. Optic disk and optic cup are prime features which help in diagnosing glaucoma. Thus proper segmentation of optic disk and optic cup plays an important role in detecting the disorder. In this paper an adaptive threshold based method which is independent of image quality and invariant to noise is used to segment optic disk, optic cup, Neuroretinal rim and cup to disk ratio is calculated to screen glaucoma. Another ocular parameter, rim to disk ratio is also considered which in combination with CDR gives more reliability in determining glaucoma and makes the system more robust. Further an SVM classifier has been used to categorize the images as glaucomatic or non glaucomatic. The experimental results obtained are compared with those of ophthalmologist and are found to have high accuracy of 90%. Also in addition, the proposed method is faster having low computational cost." @default.
- W1570379068 created "2016-06-24" @default.
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- W1570379068 date "2015-06-01" @default.
- W1570379068 modified "2023-10-10" @default.
- W1570379068 title "A novel approach to detect glaucoma in retinal fundus images using cup-disk and rim-disk ratio" @default.
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- W1570379068 doi "https://doi.org/10.1109/iwobi.2015.7160157" @default.
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