{"id":"https://openalex.org/W2032254649","doi":"https://doi.org/10.1109/bmei.2011.6098351","title":"Detection of optic disc center and macula using spatial information of optic cup","display_name":"Detection of optic disc center and macula using spatial information of optic cup","publication_year":2011,"publication_date":"2011-10-01","ids":{"openalex":"https://openalex.org/W2032254649","doi":"https://doi.org/10.1109/bmei.2011.6098351","mag":"2032254649"},"language":"en","primary_location":{"id":"doi:10.1109/bmei.2011.6098351","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2011.6098351","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th International Conference on Biomedical Engineering and Informatics (BMEI)","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/A5064194838","display_name":"Azin Poshtyar","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Azin Poshtyar","raw_affiliation_strings":["Iran Red Crescent Ophthalmology Subspecialty Center, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Iran Red Crescent Ophthalmology Subspecialty Center, Tehran, Iran","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005047569","display_name":"Jamshid Shanbehzadeh","orcid":"https://orcid.org/0000-0002-1056-1499"},"institutions":[{"id":"https://openalex.org/I155419210","display_name":"Islamic Azad University, Science and Research Branch","ror":"https://ror.org/03187yj51","country_code":"IR","type":"education","lineage":["https://openalex.org/I110525433","https://openalex.org/I155419210"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Jamshid Shanbehzadeh","raw_affiliation_strings":["Department of Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran","Tarbiyat Moallem University, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran","institution_ids":["https://openalex.org/I155419210"]},{"raw_affiliation_string":"Tarbiyat Moallem University, Tehran, Iran","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011462464","display_name":"Zeinab Ghassabi","orcid":"https://orcid.org/0000-0003-1304-825X"},"institutions":[{"id":"https://openalex.org/I155419210","display_name":"Islamic Azad University, Science and Research Branch","ror":"https://ror.org/03187yj51","country_code":"IR","type":"education","lineage":["https://openalex.org/I110525433","https://openalex.org/I155419210"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Zeinab Ghassabi","raw_affiliation_strings":["Tarbiyat Moallem University, Tehran, Iran","Department of Computer engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Tarbiyat Moallem University, Tehran, Iran","institution_ids":[]},{"raw_affiliation_string":"Department of Computer engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran","institution_ids":["https://openalex.org/I155419210"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5064194838"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0167,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.76756852,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2","issue":null,"first_page":"255","last_page":"258"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":1.0,"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":1.0,"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/T10250","display_name":"Glaucoma and retinal disorders","score":0.9983000159263611,"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"}},{"id":"https://openalex.org/T12874","display_name":"Digital Imaging for Blood Diseases","score":0.9896000027656555,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/optic-disc","display_name":"Optic disc","score":0.9168169498443604},{"id":"https://openalex.org/keywords/fundus","display_name":"Fundus (uterus)","score":0.7057055830955505},{"id":"https://openalex.org/keywords/optic-nerve","display_name":"Optic nerve","score":0.6907017230987549},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.5980774760246277},{"id":"https://openalex.org/keywords/retina","display_name":"Retina","score":0.5601593852043152},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5549159049987793},{"id":"https://openalex.org/keywords/optic-cup","display_name":"Optic cup (embryology)","score":0.5274874567985535},{"id":"https://openalex.org/keywords/retinal","display_name":"Retinal","score":0.4758709967136383},{"id":"https://openalex.org/keywords/optic-disk","display_name":"Optic disk","score":0.43428438901901245},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40224146842956543},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37940871715545654},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.3158227205276489},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3153516352176666},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2016710340976715},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.16449284553527832},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08081001043319702},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.059429019689559937}],"concepts":[{"id":"https://openalex.org/C2779735895","wikidata":"https://www.wikidata.org/wiki/Q16873995","display_name":"Optic disc","level":3,"score":0.9168169498443604},{"id":"https://openalex.org/C2776391266","wikidata":"https://www.wikidata.org/wiki/Q9612","display_name":"Fundus (uterus)","level":2,"score":0.7057055830955505},{"id":"https://openalex.org/C2780837183","wikidata":"https://www.wikidata.org/wiki/Q186029","display_name":"Optic nerve","level":2,"score":0.6907017230987549},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.5980774760246277},{"id":"https://openalex.org/C2777093970","wikidata":"https://www.wikidata.org/wiki/Q169342","display_name":"Retina","level":2,"score":0.5601593852043152},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5549159049987793},{"id":"https://openalex.org/C96021297","wikidata":"https://www.wikidata.org/wiki/Q7098791","display_name":"Optic cup (embryology)","level":5,"score":0.5274874567985535},{"id":"https://openalex.org/C2780827179","wikidata":"https://www.wikidata.org/wiki/Q422001","display_name":"Retinal","level":2,"score":0.4758709967136383},{"id":"https://openalex.org/C2983497740","wikidata":"https://www.wikidata.org/wiki/Q16873995","display_name":"Optic disk","level":3,"score":0.43428438901901245},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40224146842956543},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37940871715545654},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.3158227205276489},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3153516352176666},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2016710340976715},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.16449284553527832},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08081001043319702},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.059429019689559937},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C114696181","wikidata":"https://www.wikidata.org/wiki/Q5422650","display_name":"Eye development","level":4,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C127716648","wikidata":"https://www.wikidata.org/wiki/Q104053","display_name":"Phenotype","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bmei.2011.6098351","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2011.6098351","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th International Conference on Biomedical Engineering and Informatics (BMEI)","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":19,"referenced_works":["https://openalex.org/W1489458561","https://openalex.org/W1674866864","https://openalex.org/W2001353247","https://openalex.org/W2016194585","https://openalex.org/W2018275643","https://openalex.org/W2037715432","https://openalex.org/W2105728118","https://openalex.org/W2106442510","https://openalex.org/W2113119033","https://openalex.org/W2120389036","https://openalex.org/W2127605333","https://openalex.org/W2161795232","https://openalex.org/W2162097093","https://openalex.org/W2165952271","https://openalex.org/W2171077533","https://openalex.org/W3146545008","https://openalex.org/W4241028886","https://openalex.org/W4252813286","https://openalex.org/W6675693366"],"related_works":["https://openalex.org/W2779576471","https://openalex.org/W4319777531","https://openalex.org/W3131680944","https://openalex.org/W300732441","https://openalex.org/W2081178133","https://openalex.org/W2531866780","https://openalex.org/W2513292194","https://openalex.org/W3180652865","https://openalex.org/W2798412772","https://openalex.org/W1586266070"],"abstract_inverted_index":{"The":[0,64],"Optic":[1,51],"Disc":[2],"is":[3,14,53,67,77],"a":[4,15,28,54],"circular":[5],"and":[6,43,73,80,90],"bright":[7],"region":[8,55],"in":[9,30,56],"retinal":[10,93],"fundus":[11],"images.":[12,94],"Macula":[13],"yellow":[16],"portion":[17],"of":[18,48],"the":[19,24,60],"posterior":[20],"retina,":[21],"lateral":[22],"to":[23,38],"optic":[25,40,49,57],"nerve,":[26],"with":[27,59],"depression":[29],"its":[31],"center.":[32],"This":[33],"paper":[34],"presents":[35],"an":[36],"approach":[37],"detect":[39],"disc":[41,58],"center":[42],"macula":[44],"using":[45],"spatial":[46],"information":[47],"cup.":[50],"Cup":[52],"brightest":[61],"pixel":[62],"values.":[63],"proposed":[65],"method":[66],"based":[68],"on":[69],"morphological,":[70],"adaptive":[71],"thresholding":[72],"arithmetic":[74],"operations.":[75],"It":[76,82],"computationally":[78],"efficient":[79],"fast.":[81],"performs":[83],"well":[84],"even":[85],"when":[86],"there":[87],"are":[88],"unhealthy":[89],"low":[91],"quality":[92]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
