{"id":"https://openalex.org/W1997122589","doi":"https://doi.org/10.1117/12.2081503","title":"Fourier-based linear systems description of free-breathing pulmonary magnetic resonance imaging","display_name":"Fourier-based linear systems description of free-breathing pulmonary magnetic resonance imaging","publication_year":2015,"publication_date":"2015-03-17","ids":{"openalex":"https://openalex.org/W1997122589","doi":"https://doi.org/10.1117/12.2081503","mag":"1997122589"},"language":"en","primary_location":{"id":"doi:10.1117/12.2081503","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2081503","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","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/A5061798247","display_name":"Dante P. I. Capaldi","orcid":"https://orcid.org/0000-0002-4590-7461"},"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":true,"raw_author_name":"D. P. I. Capaldi","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)","The University of Western Ontario, Canada"],"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"The University of Western Ontario, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062417502","display_name":"Sarah Svenningsen","orcid":"https://orcid.org/0000-0002-6225-1863"},"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":"S. Svenningsen","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)","The University of Western Ontario, Canada"],"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"The University of Western Ontario, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029835571","display_name":"Ian A. Cunningham","orcid":"https://orcid.org/0009-0000-3209-5962"},"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":"I. A. Cunningham","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)","The University of Western Ontario, Canada"],"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"The University 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":"G. Parraga","raw_affiliation_strings":["The Univ. of Western Ontario (Canada)","The University of Western Ontario, Canada"],"affiliations":[{"raw_affiliation_string":"The Univ. of Western Ontario (Canada)","institution_ids":["https://openalex.org/I125749732"]},{"raw_affiliation_string":"The University of Western Ontario, Canada","institution_ids":["https://openalex.org/I125749732"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5061798247"],"corresponding_institution_ids":["https://openalex.org/I125749732"],"apc_list":null,"apc_paid":null,"fwci":0.2169,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.5886705,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"9417","issue":null,"first_page":"94171A","last_page":"94171A"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9995999932289124,"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/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.9908999800682068,"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/ventilation","display_name":"Ventilation (architecture)","score":0.5449721217155457},{"id":"https://openalex.org/keywords/pulmonary-function-testing","display_name":"Pulmonary function testing","score":0.5355522632598877},{"id":"https://openalex.org/keywords/copd","display_name":"COPD","score":0.4913443624973297},{"id":"https://openalex.org/keywords/breathing","display_name":"Breathing","score":0.4838463366031647},{"id":"https://openalex.org/keywords/magnetic-resonance-imaging","display_name":"Magnetic resonance imaging","score":0.47100865840911865},{"id":"https://openalex.org/keywords/medical-imaging","display_name":"Medical imaging","score":0.4533599317073822},{"id":"https://openalex.org/keywords/image-registration","display_name":"Image registration","score":0.43903037905693054},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.43752071261405945},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4306710660457611},{"id":"https://openalex.org/keywords/nuclear-magnetic-resonance","display_name":"Nuclear magnetic resonance","score":0.42325150966644287},{"id":"https://openalex.org/keywords/biomedical-engineering","display_name":"Biomedical engineering","score":0.34819287061691284},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.33347228169441223},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.2845497727394104},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2776954174041748},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.21716076135635376},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.18065086007118225},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.17187544703483582},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1492985486984253},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08821150660514832}],"concepts":[{"id":"https://openalex.org/C200457457","wikidata":"https://www.wikidata.org/wiki/Q584049","display_name":"Ventilation (architecture)","level":2,"score":0.5449721217155457},{"id":"https://openalex.org/C75603125","wikidata":"https://www.wikidata.org/wiki/Q1877462","display_name":"Pulmonary function testing","level":2,"score":0.5355522632598877},{"id":"https://openalex.org/C2776780178","wikidata":"https://www.wikidata.org/wiki/Q199804","display_name":"COPD","level":2,"score":0.4913443624973297},{"id":"https://openalex.org/C39300077","wikidata":"https://www.wikidata.org/wiki/Q9530","display_name":"Breathing","level":2,"score":0.4838463366031647},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.47100865840911865},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.4533599317073822},{"id":"https://openalex.org/C166704113","wikidata":"https://www.wikidata.org/wiki/Q861092","display_name":"Image registration","level":3,"score":0.43903037905693054},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.43752071261405945},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4306710660457611},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.42325150966644287},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.34819287061691284},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33347228169441223},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2845497727394104},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2776954174041748},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.21716076135635376},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18065086007118225},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.17187544703483582},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1492985486984253},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08821150660514832},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2081503","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2081503","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.6299999952316284,"display_name":"Good health and well-being"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1966363043","https://openalex.org/W1983592655","https://openalex.org/W2027889685","https://openalex.org/W2116414828","https://openalex.org/W4206679801","https://openalex.org/W4252801528"],"related_works":["https://openalex.org/W2371151154","https://openalex.org/W2467500259","https://openalex.org/W2410273573","https://openalex.org/W2014452451","https://openalex.org/W3037497593","https://openalex.org/W3143111488","https://openalex.org/W2471562626","https://openalex.org/W2461863667","https://openalex.org/W2295804706","https://openalex.org/W3168515805"],"abstract_inverted_index":{"Fourier-decomposition":[0],"of":[1,20,27,38,55,80,94,105,139,173,218],"free-breathing":[2,39,95],"pulmonary":[3,18,35,42,96,119,125,140],"magnetic":[4],"resonance":[5],"imaging":[6,65,98],"(FDMRI)":[7],"was":[8,132,191,208,215],"recently":[9],"piloted":[10],"as":[11],"a":[12,100,148,179],"way":[13],"to":[14,47,109,134,163],"provide":[15],"rapid":[16],"quantitative":[17],"maps":[19,177],"ventilation":[21,64,97,112,176],"and":[22,44,53,128,151,183,199],"perfusion":[23],"without":[24],"the":[25,56,92,136,158,169,174,185,222,227],"use":[26],"exogenous":[28],"contrast":[29],"agents.":[30],"This":[31],"method":[32],"exploits":[33],"fast":[34],"MRI":[36,68],"acquisition":[37],"proton":[40],"(<sup>1</sup>H)":[41],"images":[43],"non-rigid":[45],"registration":[46,131],"compensate":[48],"for":[49,195,203],"changes":[50],"in":[51],"position":[52],"shape":[54],"thorax":[57],"associated":[58],"with":[59,116,197],"breathing.":[60],"In":[61],"this":[62],"way,":[63],"using":[66,99,178,184],"conventional":[67,180],"systems":[69,88],"can":[70],"be":[71],"undertaken":[72],"but":[73],"there":[74],"has":[75],"been":[76],"no":[77],"systematic":[78],"evaluation":[79],"fundamental":[81],"image":[82],"quality":[83],"measurements":[84],"based":[85],"on":[86,157],"linear":[87,102,223],"theory.":[89],"We":[90,167],"investigated":[91],"performance":[93],"Fourier-based":[101,186],"system":[103,224],"description":[104,187],"each":[106],"operation":[107],"required":[108],"generate":[110,164],"FDMRI":[111,175],"maps.":[113],"Twelve":[114],"subjects":[115,196,205],"chronic":[117],"obstructive":[118],"disease":[120],"(COPD)":[121],"or":[122],"bronchiectasis":[123,198],"underwent":[124],"function":[126],"tests":[127],"MRI.":[129],"Non-rigid":[130],"used":[133],"co-register":[135],"temporal":[137],"series":[138],"images.":[141],"Pulmonary":[142],"voxel":[143],"intensities":[144],"were":[145,155],"aligned":[146],"along":[147],"time":[149],"axis":[150],"discrete":[152],"Fourier":[153],"transforms":[154],"performed":[156],"periodic":[159],"signal":[160],"intensity":[161],"pattern":[162],"frequency":[165],"spectra.":[166],"determined":[168],"signal-to-noise":[170],"ratio":[171],"(SNR)":[172],"approach":[181],"(SNR<sub>C</sub>)":[182],"(SNR<sub>F</sub>).":[188],"Mean":[189],"SNR":[190],"4.7":[192],"\u00b1":[193,201],"1.3":[194],"3.4":[200],"1.8,":[202],"COPD":[204],"(p&gt;.05).":[206],"SNR<sub>F</sub>":[207,214],"significantly":[209],"different":[210],"than":[211],"SNR<sub>C</sub>":[212,219],"(p&lt;.01).":[213],"approximately":[216],"50%":[217],"suggesting":[220],"that":[221],"model":[225],"well-estimates":[226],"current":[228],"approach.":[229]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
