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Integral-geometry characterization of photobiomodulation effects on retinal vessel morphology

Barbosa, Marconi; Natoli, Riccardo; Valter, Kriztina; Provis, Jan; Maddess, Ted

Description

The morphological characterization of quasi-planar structures represented by gray-scale images is challenging when object identification is sub-optimal due to registration artifacts. We propose two alternative procedures that enhances object identification in the integral-geometry morphological image analysis (MIA) framework. The first variant streamlines the framework by introducing an active contours segmentation process whose time step is recycled as a multi-scale parameter. In the second...[Show more]

dc.contributor.authorBarbosa, Marconi
dc.contributor.authorNatoli, Riccardo
dc.contributor.authorValter, Kriztina
dc.contributor.authorProvis, Jan
dc.contributor.authorMaddess, Ted
dc.date.accessioned2016-06-06T01:46:53Z
dc.date.available2016-06-06T01:46:53Z
dc.identifier.issn2156-7085
dc.identifier.urihttp://hdl.handle.net/1885/102005
dc.description.abstractThe morphological characterization of quasi-planar structures represented by gray-scale images is challenging when object identification is sub-optimal due to registration artifacts. We propose two alternative procedures that enhances object identification in the integral-geometry morphological image analysis (MIA) framework. The first variant streamlines the framework by introducing an active contours segmentation process whose time step is recycled as a multi-scale parameter. In the second variant, we used the refined object identification produced in the first variant to perform the standard MIA with exact dilation radius as multi-scale parameter. Using this enhanced MIA we quantify the extent of vaso-obliteration in oxygen-induced retinopathic vascular growth, the preventative effect (by photobiomodulation) of exposure during tissue development to near-infrared light (NIR, 670 nm), and the lack of adverse effects due to exposure to NIR light.
dc.description.sponsorshipThis work was supported by Grant CE0561903 from the Australian Research Council through the ARC Centre of Excellence in Vision Science.
dc.publisherOptical Society of America
dc.rights© 2014 Optical Society of America
dc.sourceBiomedical Optics Express
dc.subject(100.2960) image analysis
dc.subject(170.3880) medical and biological imaging
dc.subject(330.5020) perception psychology
dc.titleIntegral-geometry characterization of photobiomodulation effects on retinal vessel morphology
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume5
dc.date.issued2014
local.identifier.absfor110906
local.identifier.ariespublicationU3488905xPUB3903
local.publisher.urlhttp://www.osa.org/en-us/home/
local.type.statusPublished Version
local.contributor.affiliationBarbosa, Marconi, College of Medicine, Biology and Environment, CMBE Research School of Biology, Division of Biomedical Science and Biochemistry, The Australian National University
local.contributor.affiliationNatoli, Riccardo, College of Medicine, Biology and Environment, CMBE John Curtin School of Medical Research, Eccles Institute of Neuroscience, The Australian National University
local.contributor.affiliationValter (Valter-Kocsi), Krisztina, College of Medicine, Biology and Environment, CMBE John Curtin School of Medical Research, Eccles Institute of Neuroscience, The Australian National University
local.contributor.affiliationProvis, Jan, College of Medicine, Biology and Environment, CMBE John Curtin School of Medical Research, Eccles Institute of Neuroscience, The Australian National University
local.contributor.affiliationMaddess, Ted, College of Medicine, Biology and Environment, CMBE John Curtin School of Medical Research, Eccles Institute of Neuroscience, The Australian National University
dc.relationhttp://purl.org/au-research/grants/arc/CE0561903
local.identifier.essn2156-7085
local.bibliographicCitation.issue7
local.bibliographicCitation.startpage2317
local.bibliographicCitation.lastpage2332
local.identifier.doi10.1364/BOE.5.002317
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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