{"id":"https://openalex.org/W4388667087","doi":"https://doi.org/10.1109/bhi58575.2023.10313450","title":"Accurate Detection of 3D Choroidal Vasculature Using Swept-Source OCT Volumetric Scans Based on Phansalkar Thresholding","display_name":"Accurate Detection of 3D Choroidal Vasculature Using Swept-Source OCT Volumetric Scans Based on Phansalkar Thresholding","publication_year":2023,"publication_date":"2023-10-15","ids":{"openalex":"https://openalex.org/W4388667087","doi":"https://doi.org/10.1109/bhi58575.2023.10313450"},"language":"en","primary_location":{"id":"doi:10.1109/bhi58575.2023.10313450","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bhi58575.2023.10313450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE EMBS International Conference on Biomedical and Health Informatics (BHI)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062170095","display_name":"Mohammed Nasar Ibrahim","orcid":"https://orcid.org/0000-0002-6560-3481"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"M. N. Ibrahim","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078055495","display_name":"Sandeep Chandra Bollepalli","orcid":"https://orcid.org/0000-0002-9971-9335"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. C. Bollepalli","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033103051","display_name":"Amrish Selvam","orcid":null},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Selvam","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064245529","display_name":"Vrinda Sant","orcid":"https://orcid.org/0000-0001-7577-4607"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"V. Sant","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016618588","display_name":"Sanjana Harihar","orcid":null},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Harihar","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063516832","display_name":"Jos\u00e9\u2010Alain Sahel","orcid":"https://orcid.org/0000-0002-4831-1153"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. A. Sahel","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073369979","display_name":"Jay Chhablani","orcid":"https://orcid.org/0000-0003-1772-3558"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Chhablani","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026354874","display_name":"Kiran Kumar Vupparaboina","orcid":"https://orcid.org/0000-0003-0024-8404"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. K. Vupparaboina","raw_affiliation_strings":["University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"University of Pittsburgh,School of Medicine,Pittsburgh,PA,USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5062170095"],"corresponding_institution_ids":["https://openalex.org/I170201317"],"apc_list":null,"apc_paid":null,"fwci":1.6559,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.84630088,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10170","display_name":"Retinal Diseases and Treatments","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.7729940414428711},{"id":"https://openalex.org/keywords/optical-coherence-tomography","display_name":"Optical coherence tomography","score":0.7540481090545654},{"id":"https://openalex.org/keywords/choroid","display_name":"Choroid","score":0.7115068435668945},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.7064849734306335},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6130635142326355},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5712018609046936},{"id":"https://openalex.org/keywords/macular-degeneration","display_name":"Macular degeneration","score":0.5687835216522217},{"id":"https://openalex.org/keywords/retinal","display_name":"Retinal","score":0.4703025221824646},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.45030415058135986},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.412382036447525},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.2871663570404053},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.2663034200668335},{"id":"https://openalex.org/keywords/retina","display_name":"Retina","score":0.24525004625320435},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.13032680749893188},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.0927182137966156}],"concepts":[{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.7729940414428711},{"id":"https://openalex.org/C2778818243","wikidata":"https://www.wikidata.org/wiki/Q899552","display_name":"Optical coherence tomography","level":2,"score":0.7540481090545654},{"id":"https://openalex.org/C2776694393","wikidata":"https://www.wikidata.org/wiki/Q271762","display_name":"Choroid","level":3,"score":0.7115068435668945},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.7064849734306335},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6130635142326355},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5712018609046936},{"id":"https://openalex.org/C2776403814","wikidata":"https://www.wikidata.org/wiki/Q27429789","display_name":"Macular degeneration","level":2,"score":0.5687835216522217},{"id":"https://openalex.org/C2780827179","wikidata":"https://www.wikidata.org/wiki/Q422001","display_name":"Retinal","level":2,"score":0.4703025221824646},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.45030415058135986},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.412382036447525},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.2871663570404053},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2663034200668335},{"id":"https://openalex.org/C2777093970","wikidata":"https://www.wikidata.org/wiki/Q169342","display_name":"Retina","level":2,"score":0.24525004625320435},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.13032680749893188},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0927182137966156},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bhi58575.2023.10313450","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bhi58575.2023.10313450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE EMBS International Conference on Biomedical and Health Informatics (BHI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1224600513","https://openalex.org/W2029163120","https://openalex.org/W2046701323","https://openalex.org/W2071516577","https://openalex.org/W2075218366","https://openalex.org/W2121357494","https://openalex.org/W2147212809","https://openalex.org/W2154029877","https://openalex.org/W2342715968","https://openalex.org/W2587879216","https://openalex.org/W2918799538","https://openalex.org/W3178331138","https://openalex.org/W4281650581","https://openalex.org/W6797991504"],"related_works":["https://openalex.org/W2898021899","https://openalex.org/W2138983844","https://openalex.org/W1968965685","https://openalex.org/W2012792772","https://openalex.org/W2356573839","https://openalex.org/W2111883783","https://openalex.org/W2009028679","https://openalex.org/W2357424838","https://openalex.org/W2356903262","https://openalex.org/W4237142086"],"abstract_inverted_index":{"Various":[0],"eye":[1],"ailments":[2],"associated":[3],"with":[4],"the":[5,9,27,41,47,51,62,85,134,145,175,182],"posterior":[6],"segment":[7],"of":[8,26,50,61,84,94,144,151],"eye,":[10],"including":[11],"age-related":[12],"macular":[13],"degeneration":[14],"(AMD)":[15],"and":[16,38,45,100,105,138,153,164,169],"central":[17],"serous":[18],"chorioretinopathy":[19],"(CSCR),":[20],"are":[21],"caused":[22],"due":[23,88],"to":[24,40,89,123],"dysfunction":[25],"highly":[28],"vascular":[29],"choroid":[30],"layer.":[31],"It":[32],"is":[33,97],"responsible":[34],"for":[35,196],"supplying":[36],"oxygen":[37],"nutrients":[39],"retinal":[42],"outer":[43],"layers":[44],"maintaining":[46],"thermal":[48],"equilibrium":[49],"eye.":[52],"Clinicians":[53],"hypothesize":[54],"that":[55,189],"detecting":[56],"minute":[57],"volumetric":[58],"structural":[59],"changes":[60],"choroidal":[63,126],"vasculature":[64],"enables":[65],"early":[66],"diagnosis.":[67],"To":[68],"this":[69,190],"end,":[70],"recently":[71],"introduced":[72],"swept-source":[73],"optical":[74],"coherence":[75],"tomography":[76],"(SS-OCT)":[77],"volume":[78],"scans":[79],"provide":[80],"dense":[81],"high-resolution":[82],"imaging":[83],"choroid.":[86],"However,":[87],"intricate":[90],"structure,":[91],"manual":[92],"segmentation":[93,104,171,195],"these":[95],"vessels":[96,127],"not":[98],"feasible":[99],"clinicians":[101],"seek":[102],"algorithmic":[103],"attempts":[106],"made":[107],"earlier":[108],"reported":[109,184],"limited":[110],"performance.":[111],"In":[112],"response,":[113],"we":[114,156,187],"propose":[115],"a":[116],"method":[117,177,191],"based":[118],"on":[119,162],"adaptive":[120],"Phansalkar":[121],"thresholding":[122],"accurately":[124],"detect":[125],"in":[128],"OCT":[129],"volumes.":[130],"Specifically,":[131],"it":[132],"increases":[133],"contrast":[135],"between":[136],"vessel":[137],"non-vessel":[139],"regions":[140],"within":[141],"each":[142],"subblock":[143],"B-Scan.":[146],"On":[147],"15":[148],"SS-OCT":[149],"volumes":[150],"healthy":[152],"diseased":[154],"subjects,":[155],"performed":[157],"subjective":[158],"grading-based":[159],"performance":[160],"analysis":[161],"2D":[163],"3D":[165],"vasculatures":[166],"achieving":[167],"92.67%":[168],"94%":[170],"accuracy,":[172],"respectively.":[173],"Further,":[174],"proposed":[176],"demonstrated":[178],"significant":[179],"improvement":[180],"over":[181],"previously":[183],"method.":[185],"Finally,":[186],"envisage":[188],"provides":[192],"ground":[193],"truth":[194],"training":[197],"deep":[198],"learning":[199],"models.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}