{"id":"https://openalex.org/W66238360","doi":null,"title":"Detection and Characterisation of the Optic Disk in Glaucoma and Diabetic Retinopathy","display_name":"Detection and Characterisation of the Optic Disk in Glaucoma and Diabetic Retinopathy","publication_year":2004,"publication_date":"2004-09-23","ids":{"openalex":"https://openalex.org/W66238360","mag":"66238360"},"language":"en","primary_location":{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/184797ad-4617-4c72-9af4-af919f302f78","doi":null,"is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/184797ad-4617-4c72-9af4-af919f302f78","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Abdel-Ghafar, R A & Morris, T 2004, Detection and Characterisation of the Optic Disk in Glaucoma and Diabetic Retinopathy. in Medical Image Understanding and Analysis.","raw_type":"info:eu-repo/semantics/conferenceObject"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":[],"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/A5012150693","display_name":"R.A. Abdel-Ghafar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R.A. Abdel-Ghafar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083607188","display_name":"Tim Morris","orcid":"https://orcid.org/0000-0001-5334-4913","observed_orcids":["https://orcid.org/0000-0001-5334-4913","https://orcid.org/0000-0002-6347-5666"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tim Morris","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-5334-4913","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8133,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.67716535,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.9994999766349792,"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":0.9994999766349792,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10250","display_name":"Glaucoma and retinal disorders","score":0.0,"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/optic-disk-detection","display_name":"optic disk detection","score":0.9390000104904175},{"id":"https://openalex.org/keywords/glaucoma","display_name":"glaucoma","score":0.9480000138282776},{"id":"https://openalex.org/keywords/diabetic-retinopathy","display_name":"diabetic retinopathy","score":1.0},{"id":"https://openalex.org/keywords/automated-retinal-image-analysis","display_name":"automated retinal analysis","score":0.7250000238418579},{"id":"https://openalex.org/keywords/hough-transform","display_name":"Hough transform","score":0.7039999961853027},{"id":"https://openalex.org/keywords/edge-detection","display_name":"edge detection","score":0.9079999923706055},{"id":"https://openalex.org/keywords/lee-filter","display_name":"Lee filter","score":0.9430000185966492},{"id":"https://openalex.org/keywords/chi-square-test","display_name":"chi-square test","score":0.7350000143051147},{"id":"https://openalex.org/keywords/retinal-screening","display_name":"retinal screening","score":0.5690000057220459},{"id":"https://openalex.org/keywords/blood-vessel-removal","display_name":"blood vessel removal","score":0.6069999933242798},{"id":"https://openalex.org/keywords/optic-disc","display_name":"optic nerve head","score":0.6029999852180481}],"concepts":[{"id":"https://openalex.org/C2983497740","wikidata":"https://www.wikidata.org/wiki/Q16873995","display_name":"Optic disk","level":3,"score":0.7534037828445435},{"id":"https://openalex.org/C2778527774","wikidata":"https://www.wikidata.org/wiki/Q159701","display_name":"Glaucoma","level":2,"score":0.7064604759216309},{"id":"https://openalex.org/C2780837183","wikidata":"https://www.wikidata.org/wiki/Q186029","display_name":"Optic nerve","level":2,"score":0.7035810947418213},{"id":"https://openalex.org/C2779735895","wikidata":"https://www.wikidata.org/wiki/Q16873995","display_name":"Optic disc","level":3,"score":0.6952754259109497},{"id":"https://openalex.org/C200518788","wikidata":"https://www.wikidata.org/wiki/Q195076","display_name":"Hough transform","level":3,"score":0.6808075308799744},{"id":"https://openalex.org/C64869954","wikidata":"https://www.wikidata.org/wiki/Q1859747","display_name":"False positive paradox","level":2,"score":0.6587931513786316},{"id":"https://openalex.org/C2779829184","wikidata":"https://www.wikidata.org/wiki/Q631361","display_name":"Diabetic retinopathy","level":3,"score":0.5716596245765686},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5394836664199829},{"id":"https://openalex.org/C2777093970","wikidata":"https://www.wikidata.org/wiki/Q169342","display_name":"Retina","level":2,"score":0.5380155444145203},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.501563310623169},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.5013809204101562},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.474240243434906},{"id":"https://openalex.org/C2777100477","wikidata":"https://www.wikidata.org/wiki/Q193107","display_name":"Sclera","level":2,"score":0.4586373269557953},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4484380781650543},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.37997496128082275},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3627621829509735},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.3349575102329254},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.26955968141555786},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24274849891662598},{"id":"https://openalex.org/C555293320","wikidata":"https://www.wikidata.org/wiki/Q12206","display_name":"Diabetes mellitus","level":2,"score":0.1912863850593567},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.18689590692520142},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/184797ad-4617-4c72-9af4-af919f302f78","doi":null,"is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/184797ad-4617-4c72-9af4-af919f302f78","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Abdel-Ghafar, R A & Morris, T 2004, Detection and Characterisation of the Optic Disk in Glaucoma and Diabetic Retinopathy. in Medical Image Understanding and Analysis.","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"mag:66238360","doi":null,"is_oa":false,"landing_page_url":"http://www.cs.man.ac.uk/~tmorris/pubs/miua2004.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9391000270843506,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1534332600","https://openalex.org/W1949479385","https://openalex.org/W1990881969","https://openalex.org/W2054275537","https://openalex.org/W2122644916","https://openalex.org/W2123303981","https://openalex.org/W2158167580"],"related_works":["https://openalex.org/W2108775640","https://openalex.org/W4242413083","https://openalex.org/W3092328709","https://openalex.org/W3010154943","https://openalex.org/W2890335240","https://openalex.org/W2766837083","https://openalex.org/W1503207075","https://openalex.org/W2347185285","https://openalex.org/W4384344386","https://openalex.org/W2922510927"],"abstract_inverted_index":{"The":[0,48,143,206,213],"optic":[1,147,177,253],"nerve":[2,11],"head":[3],"is":[4,21,195],"that":[5,28,93,240],"region":[6,235],"of":[7,40,45,57,61,76,86,90,110,145,200,228,236,245,251,268],"the":[8,18,38,43,46,51,58,62,74,77,91,114,125,133,146,157,176,198,219,242,246,249,252,259,266],"retina":[9,92],"where":[10],"fibres":[12],"and":[13,99,102,156,168,222,270],"blood":[14],"vessels":[15,137],"pass":[16],"through":[17],"sclera.":[19],"It":[20],"sensitive":[22],"to":[23,70,112,165,179,189,278],"changes":[24,41,49,63],"associated":[25],"with":[26,82,186],"glaucoma":[27],"can":[29,35,54,67],"occur":[30],"without":[31],"other":[32,227],"symptoms.":[33],"Diabetes":[34],"also":[36],"be":[37,55,68,95,180,279],"cause":[39],"in":[42,64,97],"appearance":[44,53],"retina.":[47],"from":[50,107],"normal":[52,231,269],"diagnostic":[56],"diseases,":[59],"tracking":[60],"sequential":[65],"images":[66,104,121,207,272],"used":[69,96,196],"assess":[71],"treatment":[72],"or":[73,226],"progress":[75],"illness.":[78],"We":[79],"are":[80],"concerned":[81],"developing":[83],"automated":[84],"techniques":[85],"generating":[87],"quantitative":[88],"descriptions":[89],"might":[94],"diagnosis":[98],"treatment.":[100],"Normal":[101],"abnormal":[103,271],"were":[105,122,138,163,208],"collected":[106],"a":[108,152,234,263],"range":[109],"sources,":[111],"simulate":[113],"mass":[115],"screening":[116],"process.":[117],"Although":[118,171],"full":[119,243,260],"colour":[120],"collected,":[123],"only":[124],"green":[126],"channel":[127],"was":[128,149,216,276],"processed":[129],"as":[130,197],"it":[131,185],"had":[132,233],"greatest":[134],"contrast.":[135],"Blood":[136],"removed":[139],"using":[140,151,218,273],"morphological":[141],"techniques.":[142],"boundary":[144],"disk":[148,178],"estimated":[150],"simple":[153],"edge":[154],"detector":[155],"circular":[158],"Hough":[159],"transform.":[160],"Heuristic":[161],"methods":[162],"defined":[164],"identify":[166,190],"true":[167],"false":[169],"positives.":[170],"we":[172],"do":[173],"not":[174,257],"expect":[175],"circular,":[181],"this":[182,274],"technique":[183],"identifies":[184],"sufficient":[187],"accuracy":[188],"its":[191],"approximate":[192],"centre,":[193],"which":[194],"origin":[199],"24":[201],"uniformly":[202],"distributed":[203],"radial":[204],"vectors.":[205,212],"resampled":[209],"along":[210],"these":[211,229],"resulting":[214],"image":[215,247],"filtered":[217],"Lee":[220],"filter":[221],"thresholded.":[223],"In":[224],"one":[225],"images,":[230],"subjects":[232],"maximum":[237],"grey":[238],"value":[239],"extended":[241],"width":[244],"(at":[248],"centre":[250],"disk)":[254],"but":[255],"did":[256],"extend":[258],"height.":[261],"Using":[262],"chi-squared":[264],"test,":[265],"separation":[267],"test":[275],"found":[277],"highly":[280],"significant":[281],"(p":[282],"<":[283],"0.05,":[284],"n":[285],"=":[286],"60).":[287]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
