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نمایش تعداد 1-10 از 58
A Novel Curvature Based Algorithm for Automatic Grading of Retinal Blood Vessel Tortuosity
Tortuosity of retinal blood vessels is an improtant symptom of diabetic retinopathy or retinopathy of prematurity.In this paper, we propose an automatic image based method for measuring single vessel and vessel network tortuosity of these vessels...
Improvement of retinal blood vessel detectionusing morphological component analysis
tDetection and quantitative measurement of variations in the retinal blood vessels can helpdiagnose several diseases including diabetic retinopathy. Intrinsic characteristics of abnor-mal retinal images make blood vessel detection difficult...
Fully automated diabetic retinopathy screening using morphologicalcomponent analysis
tDiabetic retinopathy is the major cause of blindness in the world. It has been shown that early diagnosiscan play a major role in prevention of visual loss and blindness. This diagnosis can be made throughregular screening and timely treatment...
A novel method for retinal exudate segmentation using signal separation algorithm
Diabetic retinopathy is one of the major causes of blindness in the world. Early diagnosis
of this disease is vital to the prevention of visual loss. The analysis of retinal lesions such
as exudates, microaneurysms and hemorrhages is a...
Utility of 1% Tropicamide in Improving the Quality of Images for Tele-Screening of Diabetic Retinopathy in Patients with Dark Irides
Purpose: To compare the quality of fundus photographs taken before and after instillation of one drop of tropicamide.
Methods: The 45º fundus photographs were taken with a non-mydriatic fundus camera in three ...
Microaneurysm detection in fundus images using a two-step convolutional neural network
Background and objectives: Diabetic retinopathy (DR) is the leading cause of
blindness worldwide, and therefore its early detection is important in order to reduce
disease-related eye injuries. DR is diagnosed by inspecting fundus...
Diabetic Retinopathy Dark Lesion Detection: Preprocessing Phase
Diabetic Retinopathy is the common cause of vision
loss and blindness in patients with diabetes. Diabetic
Retinopathy indicative lesions include dark lesions such as
Microaneurysms and Hemorrhages; and bright lesions like...
Localization of Hard Exudates in Retinal Fundus Image by Mathematical Morphology Operations
Diabetic retinopathy is one of the leading causes
of blindness in the world. Detection of hard exudates is an
important step for early diagnosis in eye diseases such as
Macular Edema(ME). If hard exudates were segmented...