{"id":"https://openalex.org/W3044569566","doi":"https://doi.org/10.1109/iwssip48289.2020.9145459","title":"Mask Overlaying: a Deep Learning Approach for Individual Optic Cup Segmentation from Fundus Image","display_name":"Mask Overlaying: a Deep Learning Approach for Individual Optic Cup Segmentation from Fundus Image","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3044569566","doi":"https://doi.org/10.1109/iwssip48289.2020.9145459","mag":"3044569566"},"language":"en","primary_location":{"id":"doi:10.1109/iwssip48289.2020.9145459","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwssip48289.2020.9145459","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Systems, Signals and Image Processing (IWSSIP)","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/A5000180450","display_name":"Arthur Azevedo Lima","orcid":null},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Arthur Azevedo Lima","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109467535","display_name":"Alana C. de Carvalho Araujo","orcid":null},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alana C. de Carvalho Ara\u00fajo","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034385721","display_name":"Alan Carlos de Moura Lima","orcid":"https://orcid.org/0000-0002-0167-7326"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alan C. de Moura Lima","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009202599","display_name":"Jefferson Alves de Sousa","orcid":"https://orcid.org/0000-0002-5928-9959"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jefferson Alves de Sousa","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059424896","display_name":"Jo\u00e3o Dallyson Sousa de Almeida","orcid":"https://orcid.org/0000-0001-7013-9700"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jo\u00e3o Dallyson S. de Almeida","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014448875","display_name":"Anselmo Cardoso de Paiva","orcid":"https://orcid.org/0000-0003-4921-0626"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Anselmo Cardoso de Paiva","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006289694","display_name":"Geraldo Br\u00e1z","orcid":"https://orcid.org/0000-0003-3731-6431"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Geraldo Braz J\u00fanior","raw_affiliation_strings":["Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil"],"affiliations":[{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranhão (UFMA),São Luís,MA,Brazil,65080-805","institution_ids":["https://openalex.org/I47327664"]},{"raw_affiliation_string":"Applied Computing Center, Federal University of Maranh\u00e3o (UFMA), S\u00e3o Lu\u00eds, MA, Brazil","institution_ids":["https://openalex.org/I47327664"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5000180450"],"corresponding_institution_ids":["https://openalex.org/I47327664"],"apc_list":null,"apc_paid":null,"fwci":0.1101,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.49397468,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"99","last_page":"104"},"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":0.9990000128746033,"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":0.9951000213623047,"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-cup","display_name":"Optic cup (embryology)","score":0.8466356992721558},{"id":"https://openalex.org/keywords/optic-disc","display_name":"Optic disc","score":0.78580242395401},{"id":"https://openalex.org/keywords/glaucoma","display_name":"Glaucoma","score":0.7812323570251465},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6870582103729248},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.670927107334137},{"id":"https://openalex.org/keywords/fundus","display_name":"Fundus (uterus)","score":0.6501280665397644},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6475386023521423},{"id":"https://openalex.org/keywords/optic-nerve","display_name":"Optic nerve","score":0.6353278160095215},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.6047766804695129},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5001542568206787},{"id":"https://openalex.org/keywords/s\u00f8rensen\u2013dice-coefficient","display_name":"S\u00f8rensen\u2013Dice coefficient","score":0.48519423604011536},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.4304068684577942},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.42396289110183716},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.40543657541275024},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.260540246963501}],"concepts":[{"id":"https://openalex.org/C96021297","wikidata":"https://www.wikidata.org/wiki/Q7098791","display_name":"Optic cup (embryology)","level":5,"score":0.8466356992721558},{"id":"https://openalex.org/C2779735895","wikidata":"https://www.wikidata.org/wiki/Q16873995","display_name":"Optic disc","level":3,"score":0.78580242395401},{"id":"https://openalex.org/C2778527774","wikidata":"https://www.wikidata.org/wiki/Q159701","display_name":"Glaucoma","level":2,"score":0.7812323570251465},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6870582103729248},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.670927107334137},{"id":"https://openalex.org/C2776391266","wikidata":"https://www.wikidata.org/wiki/Q9612","display_name":"Fundus (uterus)","level":2,"score":0.6501280665397644},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6475386023521423},{"id":"https://openalex.org/C2780837183","wikidata":"https://www.wikidata.org/wiki/Q186029","display_name":"Optic nerve","level":2,"score":0.6353278160095215},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.6047766804695129},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5001542568206787},{"id":"https://openalex.org/C163892561","wikidata":"https://www.wikidata.org/wiki/Q2613728","display_name":"S\u00f8rensen\u2013Dice coefficient","level":4,"score":0.48519423604011536},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.4304068684577942},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.42396289110183716},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.40543657541275024},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.260540246963501},{"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C127716648","wikidata":"https://www.wikidata.org/wiki/Q104053","display_name":"Phenotype","level":3,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwssip48289.2020.9145459","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwssip48289.2020.9145459","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Systems, Signals and Image Processing (IWSSIP)","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":28,"referenced_works":["https://openalex.org/W1571891713","https://openalex.org/W1901129140","https://openalex.org/W1903029394","https://openalex.org/W1966416253","https://openalex.org/W1969241653","https://openalex.org/W1992680098","https://openalex.org/W1997259062","https://openalex.org/W2002456190","https://openalex.org/W2027714362","https://openalex.org/W2065427498","https://openalex.org/W2089479074","https://openalex.org/W2158143121","https://openalex.org/W2167510172","https://openalex.org/W2194775991","https://openalex.org/W2287885771","https://openalex.org/W2293295816","https://openalex.org/W2598940121","https://openalex.org/W2607394097","https://openalex.org/W2733902253","https://openalex.org/W2890602145","https://openalex.org/W2927830611","https://openalex.org/W2935464137","https://openalex.org/W2942833458","https://openalex.org/W2946133851","https://openalex.org/W6639824700","https://openalex.org/W6684372118","https://openalex.org/W6687483927","https://openalex.org/W6761565557"],"related_works":["https://openalex.org/W2784066334","https://openalex.org/W2779576471","https://openalex.org/W4319934953","https://openalex.org/W2177654152","https://openalex.org/W2301440315","https://openalex.org/W2531866780","https://openalex.org/W4313270309","https://openalex.org/W3131680944","https://openalex.org/W2890764477","https://openalex.org/W4319777531"],"abstract_inverted_index":{"Glaucoma":[0],"is":[1,35,44,56],"a":[2,57,96,114,127],"group":[3],"of":[4,11,31,39,60,73,92,98,102,131],"eye":[5],"diseases":[6],"characterized":[7],"by":[8,50],"progressive":[9],"degeneration":[10],"the":[12,18,32,36,61,74,99,106],"optic":[13,62,75,108],"nerve,":[14],"which":[15],"can":[16,24],"lead":[17],"patient":[19],"to":[20,46,65,113],"blindness,":[21],"however":[22],"it":[23],"be":[25,141],"prevented":[26],"through":[27],"diagnosis":[28],"and":[29,43,68,77,105],"treatment":[30],"disease.":[33],"It":[34],"leading":[37],"cause":[38],"irreversible":[40],"blindness":[41],"worldwide":[42],"expected":[45],"affect":[47],"76":[48],"million":[49],"2020.":[51],"The":[52,121,138],"cup-to-disc":[53],"ratio":[54],"technique":[55],"structural":[58],"examination":[59],"nerve":[63],"used":[64,142],"glaucoma":[66,144],"diagnose,":[67],"requires":[69],"an":[70,83],"accurate":[71],"segmentation":[72,88],"disc":[76,109],"cup.":[78],"Thus,":[79],"this":[80],"work":[81],"proposes":[82],"automated":[84],"method":[85,139],"for":[86,143],"cup":[87],"in":[89],"fundus":[90],"images":[91],"DRISHTI-GS":[93],"dataset":[94],"using":[95],"combination":[97],"green":[100],"channel":[101],"RGB":[103],"image":[104],"provided":[107],"mask":[110],"as":[111],"input":[112],"modified":[115],"U-Net":[116],"[1]":[117],"convolutional":[118],"neural":[119],"network.":[120],"results":[122],"achieved":[123],"were":[124],"promising,":[125],"yielding":[126],"mean":[128],"dice":[129],"coefficient":[130],"94%,":[132],"much":[133],"better":[134],"than":[135],"state-of-the-art":[136],"algorithms.":[137],"could":[140],"diagnosis.":[145]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-01-29T23:13:10.619473","created_date":"2025-10-10T00:00:00"}