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Browsing by Subject "Glaucoma"

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Assessment of the ISNT rule on publicly available datasets

Author: Oluwatobi, JA ; Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V Date: Dec 2019 The ISNT rule is a technique that has been used to detect glaucoma from fundus im-ages. The rule states that for a healthy fundus image, the segmented optic disc can be divided into four neuro-retina rim quadrants namely; the Inferior, Superior, ... Read more
Intraocular pressure estimation using proper orthogonal decomposition

Author: Botha, N ; Kok, S ; Inglis, HM Date: Jul 2012 Glaucoma is the second leading cause of irreversible blindness. The primary indicator for glaucoma is an elevated intraocular pressure, which is estimated by means of contact or non-contact tonometry. However, these techniques do not accurately ... Read more
Modelling Goldmann applanation tonometry to improve accuracy of glaucoma screening

Author: Botha, N Date: Oct 2012 This presentation outlines how the intraocular pressure inside the human eye can be estimated using numerical techniques. This can be used as a risk indicator in the diagnosis of glaucoma. Read more
Segmentation of optic cup and disc for diagnosis of glaucoma on retinal fundus images

Author: Joshua, AO ; Nelwamondo, Fulufhelo V ; Mabuza-Hocquet, Gugulethu P Date: Jan 2019 Glaucoma has been attributed to be the leading cause of blindness in the world second only to diabetic retinopathy. About 66.8 million people in the world have glaucoma and about 6.7 million are suffering from blindness as a result of glaucoma. ... Read more
The use of area covered by blood vessels in fundus images to detect glaucoma

Author: Oluwatobi, JA ; Nelwamondo, Fulufhelo V ; Mabuza-Hocquet, Gugulethu P Date: Dec 2019 Several techniques have been employed to detect glaucoma from optic discs. Some techniques involve the use of the optic cup-to-disc ratio (CDR) while others use the neuro-retinal rim width of the optic disc. In this work, we use the area ... Read more
The use of U-Net lite and Extreme Gradient Boost (XGB) for glaucoma detection

Author: Afolabi, OJ ; Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V ; Paul, BS Date: Mar 2021 Glaucoma has been credited to be the foremost cause of preventable loss of sight in the world second only to cataract. Its effect on the eye is usually irreversible and can only be prevented by early detection. In this paper, we developed a ... Read more

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Browsing by Subject "Glaucoma"

Browsing by Subject "Glaucoma"

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