{"id":"https://openalex.org/W2921057512","doi":"https://doi.org/10.1117/12.2512436","title":"Fourier decomposition free-breathing 1H MRI perfusion maps in asthma","display_name":"Fourier decomposition free-breathing 1H MRI perfusion maps in asthma","publication_year":2019,"publication_date":"2019-03-15","ids":{"openalex":"https://openalex.org/W2921057512","doi":"https://doi.org/10.1117/12.2512436","mag":"2921057512"},"language":"en","primary_location":{"id":"doi:10.1117/12.2512436","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2512436","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2019: Image Processing","raw_type":"proceedings-article"},"type":"conference-paper","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/A5043197283","display_name":"Alexander M. Matheson","orcid":"https://orcid.org/0000-0002-6022-9507"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alexander M. Matheson","raw_affiliation_strings":["Western Univ. (Canada)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western Univ. (Canada)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061798247","display_name":"Dante P. I. Capaldi","orcid":"https://orcid.org/0000-0002-4590-7461"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dante P. I. Capaldi","raw_affiliation_strings":["Stanford Univ. (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Stanford Univ. (United States)","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015914747","display_name":"Fumin Guo","orcid":"https://orcid.org/0000-0001-6220-1455"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Fumin Guo","raw_affiliation_strings":["Univ. of Toronto (Canada)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Toronto (Canada)","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039762217","display_name":"Rachel L. Eddy","orcid":"https://orcid.org/0000-0002-2541-1645"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rachel L. Eddy","raw_affiliation_strings":["Stanford Univ. (United States)","Western Univ. (Canada)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Stanford Univ. (United States)","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Western Univ. (Canada)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020583398","display_name":"David G. McCormack","orcid":"https://orcid.org/0000-0003-1129-1141"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"David G. McCormack","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072668158","display_name":"Grace P\u00e1rraga","orcid":"https://orcid.org/0000-0002-5619-4145"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Grace Parraga","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)","Western Univ. (Canada)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"Western Univ. (Canada)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"101370A","issue":null,"first_page":"37","last_page":"37"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9965000152587891,"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/nuclear-medicine","display_name":"Nuclear medicine","score":0.5647774338722229},{"id":"https://openalex.org/keywords/voxel","display_name":"Voxel","score":0.5462989807128906},{"id":"https://openalex.org/keywords/perfusion","display_name":"Perfusion","score":0.5364291071891785},{"id":"https://openalex.org/keywords/ventilation","display_name":"Ventilation (architecture)","score":0.5344430804252625},{"id":"https://openalex.org/keywords/magnetic-resonance-imaging","display_name":"Magnetic resonance imaging","score":0.4546724259853363},{"id":"https://openalex.org/keywords/nuclear-magnetic-resonance","display_name":"Nuclear magnetic resonance","score":0.38575106859207153},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33333027362823486},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3217132091522217},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.28868502378463745},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.2675677537918091},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2387428879737854},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.16817116737365723}],"concepts":[{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.5647774338722229},{"id":"https://openalex.org/C54170458","wikidata":"https://www.wikidata.org/wiki/Q663554","display_name":"Voxel","level":2,"score":0.5462989807128906},{"id":"https://openalex.org/C146957229","wikidata":"https://www.wikidata.org/wiki/Q1266915","display_name":"Perfusion","level":2,"score":0.5364291071891785},{"id":"https://openalex.org/C200457457","wikidata":"https://www.wikidata.org/wiki/Q584049","display_name":"Ventilation (architecture)","level":2,"score":0.5344430804252625},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.4546724259853363},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.38575106859207153},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33333027362823486},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3217132091522217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28868502378463745},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2675677537918091},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2387428879737854},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.16817116737365723},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2512436","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2512436","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2019: Image Processing","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":10,"referenced_works":["https://openalex.org/W1480645468","https://openalex.org/W2019230260","https://openalex.org/W2044695324","https://openalex.org/W2059587208","https://openalex.org/W2164555362","https://openalex.org/W2398293261","https://openalex.org/W2788594853","https://openalex.org/W4206679801","https://openalex.org/W4252801528","https://openalex.org/W6649561447"],"related_works":["https://openalex.org/W3027020613","https://openalex.org/W2016533837","https://openalex.org/W3167885074","https://openalex.org/W2892386716","https://openalex.org/W4306164210","https://openalex.org/W1998563493","https://openalex.org/W4313316311","https://openalex.org/W4362608745","https://openalex.org/W2383143032","https://openalex.org/W2148204638"],"abstract_inverted_index":{"Objective:":[0],"We":[1],"aimed":[2],"to":[3,9,36,75,93,101,124,137],"develop":[4],"a":[5,37,72,190],"user-friendly":[6],"image-analysis":[7],"pipeline":[8,134,191],"simultaneously":[10],"generate":[11,76,102,138],"perfusion":[12,105,139,155,173],"and":[13,45,95,104,109,128,150,164,172,185],"ventilation":[14,103,110,152,167],"maps":[15,140,177],"derived":[16],"from":[17],"Fourier":[18,69],"decomposition":[19],"of":[20,78],"free-breathing":[21,174],"pulmonary":[22,125],"<sup>1</sup>H":[23,30,38,54,175],"magnetic":[24],"resonance":[25],"imaging":[26],"(FDMRI).":[27],"Methods:":[28],"Free-breathing":[29],"MR":[31],"images":[32,77],"were":[33,99,112,157,178],"non-rigidly":[34],"deformed":[35],"reference":[39,55],"image":[40,56,66],"selected":[41],"halfway":[42],"between":[43],"inspiration":[44],"expiration,":[46],"using":[47,59,114,189],"modality":[48],"independent":[49],"neighbourhood":[50],"descriptor-based":[51],"registration.":[52],"The":[53,64,83,131],"was":[57,68,135],"segmented":[58],"multi-region":[60],"coupled":[61],"continuous":[62],"max-flow.":[63],"co-registered":[65],"sequence":[67],"transformed":[70],"on":[71],"voxel-by-voxel":[73],"basis":[74],"the":[79,89],"voxel-wise":[80],"power":[81,90],"spectrum.":[82],"two":[84],"largest":[85],"intensity":[86],"peaks":[87],"in":[88,118,141,180],"spectrum":[91],"corresponded":[92],"respiratory":[94],"cardiac":[96],"frequencies,":[97],"which":[98],"used":[100,136],"maps,":[106],"respectively.":[107],"Perfusion":[108],"defects":[111],"measured":[113],"fuzzy":[115],"c-means":[116],"clustering":[117],"15":[119,142],"asthmatics":[120,181],"who":[121],"provided":[122],"written-informed-consent":[123],"function":[126],"tests":[127],"MRI.":[129],"Results:":[130],"proposed":[132],"FDMRI":[133,151,154,161],"asthma":[143],"patients":[144],"for":[145],"direct":[146],"comparison":[147],"with":[148,160,182,193],"<sup>3</sup>He":[149,165],"maps.":[153],"measurements":[156],"significantly":[158],"correlated":[159],"(r<sup>2</sup>=0.48,":[162],"p=0.03)":[163],"MRI":[166,176],"(r<sup>2</sup>=0.44,":[168],"p=0.05).":[169],"Conclusion:":[170],"Ventilation":[171],"generated":[179],"clinicallyacceptable":[183],"accuracy":[184],"minimal":[186],"user":[187],"interaction":[188],"compatible":[192],"high":[194],"throughput":[195],"clinical":[196],"workflows.":[197]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
