{"id":"https://openalex.org/W4205297289","doi":"https://doi.org/10.1109/ist50367.2021.9651398","title":"Automatic aortic valve area detection in echocardiography images using convolutional neural networks and U-net architecture for bicuspid aortic valve recognition","display_name":"Automatic aortic valve area detection in echocardiography images using convolutional neural networks and U-net architecture for bicuspid aortic valve recognition","publication_year":2021,"publication_date":"2021-08-24","ids":{"openalex":"https://openalex.org/W4205297289","doi":"https://doi.org/10.1109/ist50367.2021.9651398"},"language":"en","primary_location":{"id":"doi:10.1109/ist50367.2021.9651398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ist50367.2021.9651398","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Conference on Imaging Systems and Techniques (IST)","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/A5026889619","display_name":"Katerina Giannakaki","orcid":"https://orcid.org/0000-0003-0036-7905"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Katerina Giannakaki","raw_affiliation_strings":["School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028930909","display_name":"Konstantia Moirogiorgou","orcid":"https://orcid.org/0000-0003-4826-6388"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Konstantia Moirogiorgou","raw_affiliation_strings":["School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031391584","display_name":"Michalis Zervakis","orcid":"https://orcid.org/0000-0002-0705-631X"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Michalis Zervakis","raw_affiliation_strings":["School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032104654","display_name":"Nikolaos Anousakis\u2010Vlachochristou","orcid":"https://orcid.org/0000-0002-1271-6626"},"institutions":[{"id":"https://openalex.org/I4210165841","display_name":"Hippocration General Hospital","ror":"https://ror.org/05v5wwy67","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210165841"]},{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nikolaos Anousakis-Vlachochristou","raw_affiliation_strings":["Cardiology Department, Hippokration General Hospital, Athens, Greece","First Department of Cardiology, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Hippokration General Hospital, Athens, Greece","institution_ids":["https://openalex.org/I4210165841"]},{"raw_affiliation_string":"First Department of Cardiology, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087972272","display_name":"George K. Matsopoulos","orcid":"https://orcid.org/0000-0002-2600-9914"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George K. Matsopoulos","raw_affiliation_strings":["School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084900121","display_name":"Christoforos Komporozos","orcid":"https://orcid.org/0000-0002-0158-7902"},"institutions":[{"id":"https://openalex.org/I4210154117","display_name":"Athens Naval & Veterans Hospital","ror":"https://ror.org/03xbkmz44","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210154117"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Christoforos Komporozos","raw_affiliation_strings":["Cardiology Department, Naval Hospital of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Naval Hospital of Athens, Athens, Greece","institution_ids":["https://openalex.org/I4210154117"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048137029","display_name":"Vasileios Sourides","orcid":null},"institutions":[{"id":"https://openalex.org/I4210154117","display_name":"Athens Naval & Veterans Hospital","ror":"https://ror.org/03xbkmz44","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210154117"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Vasileios Sourides","raw_affiliation_strings":["Cardiology Department, Naval Hospital of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Naval Hospital of Athens, Athens, Greece","institution_ids":["https://openalex.org/I4210154117"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043516162","display_name":"Georgios Katsimagklis","orcid":null},"institutions":[{"id":"https://openalex.org/I4210154117","display_name":"Athens Naval & Veterans Hospital","ror":"https://ror.org/03xbkmz44","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210154117"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Georgios Katsimagklis","raw_affiliation_strings":["Cardiology Department, Naval Hospital of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Naval Hospital of Athens, Athens, Greece","institution_ids":["https://openalex.org/I4210154117"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044960272","display_name":"Maria Drakopoulou","orcid":"https://orcid.org/0000-0002-0022-0332"},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Maria Drakopoulou","raw_affiliation_strings":["First Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"First Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002562328","display_name":"Konstantinos Toutouzas","orcid":"https://orcid.org/0000-0003-2946-344X"},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Konstantinos Toutouzas","raw_affiliation_strings":["First Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"First Department of Cardiology, Hippokration General Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037997664","display_name":"C. Avgeropoulou","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165841","display_name":"Hippocration General Hospital","ror":"https://ror.org/05v5wwy67","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210165841"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Catherine Avgeropoulou","raw_affiliation_strings":["Cardiology Department, Hippokration General Hospital, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Hippokration General Hospital, Athens, Greece","institution_ids":["https://openalex.org/I4210165841"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039588323","display_name":"Aristeidis Androulakis","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165841","display_name":"Hippocration General Hospital","ror":"https://ror.org/05v5wwy67","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210165841"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Aristeidis Androulakis","raw_affiliation_strings":["Cardiology Department, Hippokration General Hospital, Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Cardiology Department, Hippokration General Hospital, Athens, Greece","institution_ids":["https://openalex.org/I4210165841"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":12,"corresponding_author_ids":["https://openalex.org/A5026889619"],"corresponding_institution_ids":["https://openalex.org/I55741626"],"apc_list":null,"apc_paid":null,"fwci":0.3126,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.62949621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10300","display_name":"Congenital Heart Disease Studies","score":0.9797000288963318,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/bicuspid-aortic-valve","display_name":"Bicuspid aortic valve","score":0.8941748142242432},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.5995041131973267},{"id":"https://openalex.org/keywords/aortic-valve","display_name":"Aortic valve","score":0.5945875644683838},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.5790605545043945},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.5587450861930847},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.5063036680221558},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4265567362308502},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3973926901817322},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.3973737359046936}],"concepts":[{"id":"https://openalex.org/C2781355080","wikidata":"https://www.wikidata.org/wiki/Q860167","display_name":"Bicuspid aortic valve","level":3,"score":0.8941748142242432},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.5995041131973267},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.5945875644683838},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5790605545043945},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.5587450861930847},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5063036680221558},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4265567362308502},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3973926901817322},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.3973737359046936}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ist50367.2021.9651398","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ist50367.2021.9651398","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Conference on Imaging Systems and Techniques (IST)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1587734991","https://openalex.org/W1657085392","https://openalex.org/W1901129140","https://openalex.org/W1967954559","https://openalex.org/W2004833944","https://openalex.org/W2039877687","https://openalex.org/W2088644411","https://openalex.org/W2101076021","https://openalex.org/W2163323002","https://openalex.org/W2536966079","https://openalex.org/W2581519355","https://openalex.org/W2621545116","https://openalex.org/W2647710558","https://openalex.org/W2755943579","https://openalex.org/W2761921216","https://openalex.org/W2769435486","https://openalex.org/W2807700480","https://openalex.org/W2896287590","https://openalex.org/W2897320536","https://openalex.org/W2900035984","https://openalex.org/W2902435915","https://openalex.org/W2909894304","https://openalex.org/W2911888558","https://openalex.org/W2913738219","https://openalex.org/W2915232829","https://openalex.org/W2921883991","https://openalex.org/W2946050503","https://openalex.org/W2963428668","https://openalex.org/W2982468271","https://openalex.org/W3009563704","https://openalex.org/W4249896096","https://openalex.org/W6634793489","https://openalex.org/W6639824700","https://openalex.org/W6745652320"],"related_works":["https://openalex.org/W1531601525","https://openalex.org/W2804505106","https://openalex.org/W1982035017","https://openalex.org/W2555617626","https://openalex.org/W2021333110","https://openalex.org/W2038873514","https://openalex.org/W2770793773","https://openalex.org/W2134187895","https://openalex.org/W2084976525","https://openalex.org/W2388369356"],"abstract_inverted_index":{"Automatic":[0],"methods":[1],"for":[2,21,66],"heart":[3],"disease":[4],"recognition":[5],"are":[6],"a":[7,59,88],"promising":[8],"asset":[9],"in":[10,37,72,79],"precise":[11],"diagnosis":[12],"and":[13,97],"prevention":[14],"of":[15,40,91],"complications.":[16],"Regarding":[17],"bicuspid":[18,81],"aortic":[19,29,69,82],"valve,":[20],"which":[22],"this":[23,51,54],"field":[24],"is":[25],"still":[26],"limited,":[27],"accurate":[28],"valve":[30,70,83],"detection":[31],"would":[32],"be":[33],"an":[34,76],"essential":[35],"step":[36,78],"the":[38,42,68],"procedure":[39],"using":[41,58],"most":[43],"common":[44],"testing":[45],"method,":[46],"echocardiography,":[47],"to":[48],"automatically":[49],"detect":[50],"malformation.":[52],"In":[53],"study,":[55],"we":[56],"propose":[57],"convolutional":[60],"neural":[61],"network":[62],"with":[63],"U-net":[64],"architecture":[65],"demarcating":[67],"area":[71],"echocardiography":[73],"images,":[74],"as":[75],"initial":[77],"automatic":[80],"detection.":[84],"Our":[85],"model":[86],"achieved":[87],"prediction":[89],"accuracy":[90],"97%,":[92],"sensitivity":[93],"94%,":[94],"specificity":[95],"98%":[96],"Intersection":[98],"over":[99],"Union":[100],"87%.":[101]},"counts_by_year":[{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}