Articles with "optic disk" as a keyword



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Automatic detection and recognition of optic disk with maker-controlled watershed segmentation and mathematical morphology in color retinal images

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Published in 2018 at "Soft Computing"

DOI: 10.1007/s00500-017-2681-9

Abstract: Optic disk (OD) detection and recognition is an important stage for developing automatic screening applications of diabetic retinopathy disease in color retinal image. However, the retinal image has a low resolution and was influenced by… read more here.

Keywords: optic disk; color; detection; image ... See more keywords
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Automatic localization of optic disk based on texture orientation voting

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Published in 2017 at "Signal, Image and Video Processing"

DOI: 10.1007/s11760-017-1065-z

Abstract: Automatic localization of optic disk is a challenging problem due to the interference of multiple factors. In this paper, we aim at the study of the optic disk localization method and propose a simple and… read more here.

Keywords: optic disk; orientation; orientation voting; texture orientation ... See more keywords

Robust and accurate optic disk localization using vessel symmetry line measure in fundus images

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Published in 2017 at "Biocybernetics and Biomedical Engineering"

DOI: 10.1016/j.bbe.2017.05.008

Abstract: Abstract Accurate optic disk (OD) localization is an important step in fundus image based computer-aided diagnosis of glaucoma and diabetic retinopathy. Robust OD localization becomes more challenging with the presence of common pathological variations which… read more here.

Keywords: optic disk; accurate optic; vessel symmetry; disk localization ... See more keywords
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Optical Coherence Tomography Angiography Demonstrates Strain and Volume Effects on Optic Disk and Peripapillary Vasculature Caused by Horizontal Duction

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Published in 2023 at "Current Eye Research"

DOI: 10.1080/02713683.2023.2172185

Abstract: Abstract Purpose The optic nerve mechanically loads the eye during ocular rotation, thus altering the configuration of the disk and peripapillary tissues. We used optical coherence tomography (OCT) angiography (OCTA) to investigate mechanical strains and… read more here.

Keywords: horizontal duction; optic disk; disk peripapillary; disk ... See more keywords
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ATYPICAL FORM OF RETINOPATHY OF PREMATURITY WITH SEVERE FIBROVASCULAR PROLIFERATION IN THE OPTIC DISK REGION

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Published in 2018 at "Retina"

DOI: 10.1097/iae.0000000000001779

Abstract: Purpose: To describe severe fibrovascular proliferation that developed in the optic disk region in an atypical form of retinopathy of prematurity (ROP). Methods: Retrospective observational case reports. Results: Four patients (8 eyes) with ROP were… read more here.

Keywords: optic disk; disk region; atypical form; proliferation ... See more keywords
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Automatic Determination of Vertical Cup-to-Disc Ratio in Retinal Fundus Images for Glaucoma Screening

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2018.2890544

Abstract: Glaucoma is a chronic progressive optic neuropathy that causes visual impairment or blindness if left untreated. It is crucial to diagnose it at an early stage in order to enable treatment. Fundus photography is a… read more here.

Keywords: fundus images; retinal fundus; fundus; cup ... See more keywords
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Optic Disk Detection in Fundus Image Based on Structured Learning

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Published in 2018 at "IEEE Journal of Biomedical and Health Informatics"

DOI: 10.1109/jbhi.2017.2723678

Abstract: Automated optic disk (OD) detection plays an important role in developing a computer aided system for eye diseases. In this paper, we propose an algorithm for the OD detection based on structured learning. A classifier… read more here.

Keywords: optic disk; structured learning; based structured; disk detection ... See more keywords
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Association between the Frequency of Optic Disk Hemorrhage and Progression of NTG Related with the Initial Location of RNFL Defect

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Published in 2018 at "Ophthalmic Research"

DOI: 10.1159/000486575

Abstract: Purpose: This study aimed to investigate the association of the frequency of optic disk hemorrhage (DH) and progression of normal tension glaucoma (NTG) between each group based on the location of the initial retinal nerve… read more here.

Keywords: optic disk; group; rnfl defect; hemifield group ... See more keywords
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Detecting changes in the blood flow of the optic disk in patients with nonarteritic anterior ischemic optic neuropathy via optical coherence tomography–angiography

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Published in 2023 at "Frontiers in Neurology"

DOI: 10.3389/fneur.2023.1140770

Abstract: Purpose This study aimed to evaluate the changes in the blood flow of the optic disk in patients with nonarteritic anterior ischemic optic neuropathy (NAION) using optical coherence tomography–angiography (OCTA) and to investigate the relationship… read more here.

Keywords: naion; optic disk; changes blood; flow optic ... See more keywords
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Analysis of Microcirculation Changes in the Macular Area and Para-Optic Disk Region After Implantable Collamer Lens Implantation in Patients With High Myopia

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Published in 2022 at "Frontiers in Neuroscience"

DOI: 10.3389/fnins.2022.867463

Abstract: Myopia has become an important public health problem to be solved urgently. Posterior chamber phakic implantable Collamer lens (ICL) implantation is one of the latest and safest products for myopia correction worldwide. This prospective cross-sectional… read more here.

Keywords: area; implantation; para optic; optic disk ... See more keywords
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Clinical identification of optic disk vascular alteration in glaucoma

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Published in 2023 at "Indian Journal of Ophthalmology"

DOI: 10.4103/ijo.ijo_2621_22

Abstract: Background: Several characteristic vascular changes can be observed in the glaucomatous eyes, including changes in the vessel configuration and caliber, presence of collateral vessel on disk, and disk hemorrhage. Purpose: This video describes characteristic vascular… read more here.

Keywords: optic disk; glaucoma; disk; vascular changes ... See more keywords