{"id":"https://openalex.org/W2828017253","doi":"https://doi.org/10.1109/sam.2018.8448736","title":"Gridless Sound Field Decomposition Based on Reciprocity Gap Functional in Spherical Harmonic Domain","display_name":"Gridless Sound Field Decomposition Based on Reciprocity Gap Functional in Spherical Harmonic Domain","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2828017253","doi":"https://doi.org/10.1109/sam.2018.8448736","mag":"2828017253"},"language":"en","primary_location":{"id":"doi:10.1109/sam.2018.8448736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2018.8448736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM)","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/A5078773088","display_name":"Yuhta Takida","orcid":"https://orcid.org/0000-0001-7384-0842"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuhta Takida","raw_affiliation_strings":["The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026010014","display_name":"Shoichi Koyama","orcid":"https://orcid.org/0000-0003-2283-0884"},"institutions":[{"id":"https://openalex.org/I98910050","display_name":"ESPCI Paris","ror":"https://ror.org/03zx86w41","country_code":"FR","type":"education","lineage":["https://openalex.org/I190752583","https://openalex.org/I2746051580","https://openalex.org/I98910050"]},{"id":"https://openalex.org/I169173203","display_name":"D\u00e9l\u00e9gation Paris 7","ror":"https://ror.org/00bw5n526","country_code":"FR","type":"government","lineage":["https://openalex.org/I154526488","https://openalex.org/I169173203"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I204730241","display_name":"Universit\u00e9 Paris Cit\u00e9","ror":"https://ror.org/05f82e368","country_code":"FR","type":"education","lineage":["https://openalex.org/I204730241"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Shoichi Koyama","raw_affiliation_strings":["CNRS UMR, E-SPCI, Paris Diderot University, Paris, France"],"affiliations":[{"raw_affiliation_string":"CNRS UMR, E-SPCI, Paris Diderot University, Paris, France","institution_ids":["https://openalex.org/I204730241","https://openalex.org/I98910050","https://openalex.org/I169173203","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064535049","display_name":"Natsuki Ueno","orcid":"https://orcid.org/0000-0002-5906-563X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Natsuki Ueno","raw_affiliation_strings":["The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003814223","display_name":"Hiroshi Saruwatari","orcid":"https://orcid.org/0000-0003-0876-5617"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Saruwatari","raw_affiliation_strings":["The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Information Science and Technology, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5078773088"],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":1.7744,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.86740927,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"27","issue":null,"first_page":"627","last_page":"631"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11757","display_name":"Seismic Waves and Analysis","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.589963436126709},{"id":"https://openalex.org/keywords/reciprocity","display_name":"Reciprocity (cultural anthropology)","score":0.5830257534980774},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5592126846313477},{"id":"https://openalex.org/keywords/domain-decomposition-methods","display_name":"Domain decomposition methods","score":0.5346433520317078},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.532599151134491},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5236465930938721},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.447563111782074},{"id":"https://openalex.org/keywords/inverse-problem","display_name":"Inverse problem","score":0.44176873564720154},{"id":"https://openalex.org/keywords/harmonic-analysis","display_name":"Harmonic analysis","score":0.43204912543296814},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.42694422602653503},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.42150068283081055},{"id":"https://openalex.org/keywords/acoustic-source-localization","display_name":"Acoustic source localization","score":0.4175240397453308},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28595131635665894},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.2754508852958679},{"id":"https://openalex.org/keywords/finite-element-method","display_name":"Finite element method","score":0.16303056478500366},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14745348691940308},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.12151134014129639},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10013619065284729}],"concepts":[{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.589963436126709},{"id":"https://openalex.org/C169903001","wikidata":"https://www.wikidata.org/wiki/Q3264987","display_name":"Reciprocity (cultural anthropology)","level":2,"score":0.5830257534980774},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5592126846313477},{"id":"https://openalex.org/C198880260","wikidata":"https://www.wikidata.org/wiki/Q5289813","display_name":"Domain decomposition methods","level":3,"score":0.5346433520317078},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.532599151134491},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5236465930938721},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.447563111782074},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.44176873564720154},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.43204912543296814},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.42694422602653503},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.42150068283081055},{"id":"https://openalex.org/C93240960","wikidata":"https://www.wikidata.org/wiki/Q217270","display_name":"Acoustic source localization","level":3,"score":0.4175240397453308},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28595131635665894},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.2754508852958679},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.16303056478500366},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14745348691940308},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.12151134014129639},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10013619065284729},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sam.2018.8448736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2018.8448736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6600000262260437,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W130191466","https://openalex.org/W1523113578","https://openalex.org/W1550164471","https://openalex.org/W1625826133","https://openalex.org/W1963750172","https://openalex.org/W1975236156","https://openalex.org/W1982369087","https://openalex.org/W1989112876","https://openalex.org/W2006262045","https://openalex.org/W2007670367","https://openalex.org/W2025086252","https://openalex.org/W2034119727","https://openalex.org/W2037465252","https://openalex.org/W2056162638","https://openalex.org/W2075532351","https://openalex.org/W2079560074","https://openalex.org/W2142780243","https://openalex.org/W2151582818","https://openalex.org/W2160525176","https://openalex.org/W2219999958","https://openalex.org/W2289349782","https://openalex.org/W2494085323","https://openalex.org/W2606519356","https://openalex.org/W2811486052","https://openalex.org/W4297575314","https://openalex.org/W6632964863","https://openalex.org/W6652483752","https://openalex.org/W6688799136"],"related_works":["https://openalex.org/W3121820748","https://openalex.org/W164043708","https://openalex.org/W1734862528","https://openalex.org/W3124926124","https://openalex.org/W2067711064","https://openalex.org/W2018702098","https://openalex.org/W2138015815","https://openalex.org/W2597266923","https://openalex.org/W1491850760","https://openalex.org/W2068982824"],"abstract_inverted_index":{"A":[0],"gridless":[1,108],"sound":[2,23,29,35,88,101],"field":[3,24,36,83,89,102],"decomposition":[4,90],"method":[5,98,136],"based":[6,42],"on":[7,43],"the":[8,34,49,57,75,82,92,120,126,134],"reciprocity":[9],"gap":[10],"functional":[11],"(RGF)":[12],"is":[13,31],"proposed.":[14],"An":[15],"intuitive":[16],"and":[17,67],"powerful":[18],"way":[19],"of":[20,48,84],"reconstructing":[21],"a":[22,26,69,100,107,111],"inside":[25],"region":[27,51],"including":[28],"sources":[30],"to":[32,55,87,103],"decompose":[33],"into":[37,52],"Green's":[38],"functions.":[39],"Current":[40],"methods":[41],"sparse":[44],"representation":[45],"require":[46],"discretization":[47],"reconstruction":[50,121],"grid":[53],"points":[54],"construct":[56],"dictionary":[58],"matrix;":[59],"however,":[60],"this":[61],"procedure":[62],"causes":[63],"an":[64],"off-grid":[65],"problem":[66],"has":[68],"high":[70],"computational":[71],"cost.":[72],"We":[73],"apply":[74],"RGF,":[76],"which":[77],"was":[78],"first":[79],"proposed":[80,97,135],"in":[81,91,106],"inverse":[85],"problems,":[86],"spherical":[93],"harmonic":[94],"domain.":[95],"The":[96],"enables":[99],"be":[104,131],"decomposed":[105],"manner":[109],"with":[110,138],"computationally":[112],"efficient":[113],"algorithm.":[114],"Numerical":[115],"simulation":[116],"results":[117],"indicated":[118],"that":[119],"accuracy":[122,129],"as":[123,125],"well":[124],"source":[127],"localization":[128],"can":[130],"improved":[132],"by":[133],"compared":[137],"current":[139],"methods,":[140],"especially":[141],"at":[142],"low":[143],"frequencies.":[144]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
