{"id":"https://openalex.org/W3034439673","doi":"https://doi.org/10.1109/tbme.2020.3002077","title":"Optimization of a Close-Fitting Volume RF Coil for Brain Imaging at 6.5 mT Using Linear Programming","display_name":"Optimization of a Close-Fitting Volume RF Coil for Brain Imaging at 6.5 mT Using Linear Programming","publication_year":2020,"publication_date":"2020-06-12","ids":{"openalex":"https://openalex.org/W3034439673","doi":"https://doi.org/10.1109/tbme.2020.3002077","mag":"3034439673","pmid":"https://pubmed.ncbi.nlm.nih.gov/32746026"},"language":"en","primary_location":{"id":"doi:10.1109/tbme.2020.3002077","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2020.3002077","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5100784814","display_name":"Sheng Shen","orcid":"https://orcid.org/0000-0002-4320-2732"},"institutions":[{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]},{"id":"https://openalex.org/I4210136868","display_name":"New Technology (Israel)","ror":"https://ror.org/04k7ny084","country_code":"IL","type":"company","lineage":["https://openalex.org/I4210136868"]}],"countries":["IL","US"],"is_corresponding":false,"raw_author_name":"Sheng Shen","raw_affiliation_strings":["MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown","State Key Laboratory of Power Transmission Equipment and System Security and New Technology"],"raw_orcid":"https://orcid.org/0000-0002-4320-2732","affiliations":[{"raw_affiliation_string":"MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown","institution_ids":["https://openalex.org/I4210127055"]},{"raw_affiliation_string":"State Key Laboratory of Power Transmission Equipment and System Security and New Technology","institution_ids":["https://openalex.org/I4210136868"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027770640","display_name":"Zheng Xu","orcid":"https://orcid.org/0000-0003-3968-414X"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Xu","raw_affiliation_strings":["State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0003-3968-414X","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067145638","display_name":"N\u00e9ha Koonjoo","orcid":"https://orcid.org/0000-0003-0854-0047"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Neha Koonjoo","raw_affiliation_strings":["Department of Physics, Harvard University","Harvard Medical School","MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Harvard University","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Harvard Medical School","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown","institution_ids":["https://openalex.org/I4210127055"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101464153","display_name":"Matthew S. Rosen","orcid":"https://orcid.org/0000-0002-7194-002X"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew S. Rosen","raw_affiliation_strings":["Department of Physics, Harvard University, Cambridge, MA, USA","Harvard Medical School, Boston, MA, USA","MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-7194-002X","affiliations":[{"raw_affiliation_string":"Department of Physics, Harvard University, Cambridge, MA, USA","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"MGH/A.A. Martinos Center for Biomedical Imaging, Charlestown, MA, USA","institution_ids":["https://openalex.org/I4210127055"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6446,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.86485708,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"68","issue":"4","first_page":"1106","last_page":"1114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9854999780654907,"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/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9854999780654907,"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/T11778","display_name":"Electrical and Bioimpedance Tomography","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.002099999925121665,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/electromagnetic-coil","display_name":"Electromagnetic coil","score":0.8133751153945923},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48578837513923645},{"id":"https://openalex.org/keywords/head","display_name":"Head (geology)","score":0.4827527403831482},{"id":"https://openalex.org/keywords/homogeneity","display_name":"Homogeneity (statistics)","score":0.4609774351119995},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.46055305004119873},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.4447491765022278},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3704224228858948},{"id":"https://openalex.org/keywords/nuclear-magnetic-resonance","display_name":"Nuclear magnetic resonance","score":0.3581770062446594},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.32403963804244995},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.23353305459022522},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18531429767608643},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.13589733839035034},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.11980962753295898},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09495040774345398}],"concepts":[{"id":"https://openalex.org/C30403606","wikidata":"https://www.wikidata.org/wiki/Q2981904","display_name":"Electromagnetic coil","level":2,"score":0.8133751153945923},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48578837513923645},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.4827527403831482},{"id":"https://openalex.org/C142259097","wikidata":"https://www.wikidata.org/wiki/Q5891314","display_name":"Homogeneity (statistics)","level":2,"score":0.4609774351119995},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.46055305004119873},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.4447491765022278},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3704224228858948},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.3581770062446594},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.32403963804244995},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.23353305459022522},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18531429767608643},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13589733839035034},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.11980962753295898},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09495040774345398},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011382","descriptor_name":"Programming, Linear","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011382","descriptor_name":"Programming, Linear","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011382","descriptor_name":"Programming, Linear","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011846","descriptor_name":"Radio Waves","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011846","descriptor_name":"Radio Waves","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011846","descriptor_name":"Radio Waves","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059906","descriptor_name":"Neuroimaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059906","descriptor_name":"Neuroimaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059906","descriptor_name":"Neuroimaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/tbme.2020.3002077","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2020.3002077","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:32746026","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32746026","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on bio-medical engineering","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7041829756","display_name":null,"funder_award_id":"51707028","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7225630857","display_name":null,"funder_award_id":"2019CDYGYB001","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7411119623","display_name":null,"funder_award_id":"2018CDJDDQ0017","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7832944546","display_name":null,"funder_award_id":"DE-AR0000823","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G97881138","display_name":null,"funder_award_id":"51677008","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320332276","display_name":"Advanced Research Projects Agency - Energy","ror":"https://ror.org/03q1rgc19"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1625183038","https://openalex.org/W1972418338","https://openalex.org/W2037323513","https://openalex.org/W2043792198","https://openalex.org/W2061135154","https://openalex.org/W2073562617","https://openalex.org/W2079561024","https://openalex.org/W2101315207","https://openalex.org/W2126443492","https://openalex.org/W2129682686","https://openalex.org/W2144288697","https://openalex.org/W2152601884","https://openalex.org/W2186925649","https://openalex.org/W2611467245","https://openalex.org/W2769430418","https://openalex.org/W2772874080","https://openalex.org/W2774621557","https://openalex.org/W2910728592","https://openalex.org/W2911060328","https://openalex.org/W2921581524","https://openalex.org/W2980135163","https://openalex.org/W4244684565","https://openalex.org/W6757941086","https://openalex.org/W6768648755","https://openalex.org/W6825763640"],"related_works":["https://openalex.org/W1999392235","https://openalex.org/W2075537321","https://openalex.org/W2055668825","https://openalex.org/W2059493168","https://openalex.org/W2371593620","https://openalex.org/W2417440389","https://openalex.org/W2156037511","https://openalex.org/W2572678357","https://openalex.org/W2019481703","https://openalex.org/W2020886681"],"abstract_inverted_index":{"OBJECTIVE:":[0],"The":[1,88,140],"use":[2],"of":[3,18,35,41,70,91,118,156],"a":[4,58,63,132,136],"close-fitting":[5],"roughly":[6],"head-shaped":[7,64,133],"volume":[8],"coil":[9,38,52,66,128],"for":[10,77,153],"MRI":[11],"(magnetic":[12],"resonance":[13],"imaging)":[14],"has":[15],"the":[16,20,25,30,33,36,42,68,104,109,112,116,119,149],"merit":[17],"improving":[19],"filling":[21],"factor":[22],"and":[23,74,95,106,115,129,135,167],"thus":[24],"SNR":[26,73],"(signal-to-noise":[27],"ratio)":[28],"from":[29],"brain.":[31],"However,":[32],"surface":[34],"RF":[37,65,120,127],"follows":[39],"that":[40],"head":[43],"which":[44],"makes":[45],"it":[46],"difficult":[47],"to":[48,61],"determine":[49],"an":[50,125],"optimal":[51,126],"winding":[53],"pattern.":[54],"We":[55,101],"describe":[56],"here":[57,144],"new":[59,146],"method":[60,141],"optimize":[62],"with":[67],"objective":[69],"maximizing":[71],"its":[72],"RF-magnetic-field":[75],"homogeneity":[76,168],"operation":[78],"at":[79],"ultra-low":[80],"magnetic":[81,154],"field":[82],"(6.5":[83],"mT,":[84],"276":[85],"kHz).":[86],"METHODS:":[87],"approach":[89],"consists":[90],"FEM":[92],"(finite-element-method)":[93],"simulation":[94],"linear":[96],"programing":[97],"based":[98],"optimization.":[99],"RESULTS:":[100],"have":[102],"implemented":[103],"optimization":[105,155],"further":[107],"studied":[108],"relationship":[110],"between":[111,163],"design":[113],"requirements":[114],"performance":[117],"coil.":[121],"Finally,":[122],"we":[123,142],"constructed":[124],"scanned":[130],"both":[131],"phantom":[134],"human":[137],"subject.":[138],"CONCLUSION:":[139],"outline":[143],"provide":[145],"insight":[147],"into":[148],"conductor":[150],"layout":[151],"needed":[152],"structurally":[157],"complex":[158],"coils,":[159],"especially":[160],"when":[161],"tradeoffs":[162],"competing":[164],"attributes":[165],"(SNR":[166],"in":[169],"this":[170],"case)":[171],"must":[172],"be":[173],"made.":[174]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}