{"id":"https://openalex.org/W4388117869","doi":"https://doi.org/10.23919/eusipco58844.2023.10289825","title":"A System Theoretic Approach for the Reduction of Large-Scale Room Acoustic Models","display_name":"A System Theoretic Approach for the Reduction of Large-Scale Room Acoustic Models","publication_year":2023,"publication_date":"2023-09-04","ids":{"openalex":"https://openalex.org/W4388117869","doi":"https://doi.org/10.23919/eusipco58844.2023.10289825"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco58844.2023.10289825","is_oa":false,"landing_page_url":"http://dx.doi.org/10.23919/eusipco58844.2023.10289825","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","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/A5088212178","display_name":"Olympia Axelou","orcid":"https://orcid.org/0000-0001-8093-5882"},"institutions":[{"id":"https://openalex.org/I145722265","display_name":"University of Thessaly","ror":"https://ror.org/04v4g9h31","country_code":"GR","type":"education","lineage":["https://openalex.org/I145722265"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Olympia Axelou","raw_affiliation_strings":["University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece"],"affiliations":[{"raw_affiliation_string":"University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","institution_ids":["https://openalex.org/I145722265"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece","institution_ids":["https://openalex.org/I145722265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011832290","display_name":"Pavlos Stoikos","orcid":"https://orcid.org/0000-0001-9099-8238"},"institutions":[{"id":"https://openalex.org/I145722265","display_name":"University of Thessaly","ror":"https://ror.org/04v4g9h31","country_code":"GR","type":"education","lineage":["https://openalex.org/I145722265"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Pavlos Stoikos","raw_affiliation_strings":["University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece"],"affiliations":[{"raw_affiliation_string":"University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","institution_ids":["https://openalex.org/I145722265"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece","institution_ids":["https://openalex.org/I145722265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066445455","display_name":"George Floros","orcid":"https://orcid.org/0000-0002-2867-9604"},"institutions":[{"id":"https://openalex.org/I145722265","display_name":"University of Thessaly","ror":"https://ror.org/04v4g9h31","country_code":"GR","type":"education","lineage":["https://openalex.org/I145722265"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George Floros","raw_affiliation_strings":["University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece"],"affiliations":[{"raw_affiliation_string":"University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","institution_ids":["https://openalex.org/I145722265"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece","institution_ids":["https://openalex.org/I145722265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008228117","display_name":"Nestor Evmorfopoulos","orcid":"https://orcid.org/0000-0002-6968-0222"},"institutions":[{"id":"https://openalex.org/I145722265","display_name":"University of Thessaly","ror":"https://ror.org/04v4g9h31","country_code":"GR","type":"education","lineage":["https://openalex.org/I145722265"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nestor Evmorfopoulos","raw_affiliation_strings":["University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece"],"affiliations":[{"raw_affiliation_string":"University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","institution_ids":["https://openalex.org/I145722265"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece","institution_ids":["https://openalex.org/I145722265"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018018630","display_name":"George Stamoulis","orcid":"https://orcid.org/0009-0006-3562-2274"},"institutions":[{"id":"https://openalex.org/I145722265","display_name":"University of Thessaly","ror":"https://ror.org/04v4g9h31","country_code":"GR","type":"education","lineage":["https://openalex.org/I145722265"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George Stamoulis","raw_affiliation_strings":["University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece"],"affiliations":[{"raw_affiliation_string":"University of Thessaly,Department of Electrical and Computer Engineering,Volos,Greece","institution_ids":["https://openalex.org/I145722265"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Thessaly, Volos, Greece","institution_ids":["https://openalex.org/I145722265"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5088212178"],"corresponding_institution_ids":["https://openalex.org/I145722265"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14057508,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"381","last_page":"385"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11206","display_name":"Model Reduction and Neural Networks","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"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/T11206","display_name":"Model Reduction and Neural Networks","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"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/T11254","display_name":"Fluid Dynamics and Vibration Analysis","score":0.9865000247955322,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9811999797821045,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.7740511894226074},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.642595648765564},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5926696062088013},{"id":"https://openalex.org/keywords/truncation","display_name":"Truncation (statistics)","score":0.5665190815925598},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5465793013572693},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5119034051895142},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5071606636047363},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4856937825679779},{"id":"https://openalex.org/keywords/model-order-reduction","display_name":"Model order reduction","score":0.4853443205356598},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.45254939794540405},{"id":"https://openalex.org/keywords/truncation-error","display_name":"Truncation error","score":0.42997461557388306},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3753182291984558},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3628104627132416},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2694191038608551},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10135620832443237},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.09260886907577515}],"concepts":[{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.7740511894226074},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.642595648765564},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5926696062088013},{"id":"https://openalex.org/C106195933","wikidata":"https://www.wikidata.org/wiki/Q7847935","display_name":"Truncation (statistics)","level":2,"score":0.5665190815925598},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5465793013572693},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5119034051895142},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5071606636047363},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4856937825679779},{"id":"https://openalex.org/C2779277453","wikidata":"https://www.wikidata.org/wiki/Q12202921","display_name":"Model order reduction","level":3,"score":0.4853443205356598},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.45254939794540405},{"id":"https://openalex.org/C104942944","wikidata":"https://www.wikidata.org/wiki/Q3434686","display_name":"Truncation error","level":2,"score":0.42997461557388306},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3753182291984558},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3628104627132416},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2694191038608551},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10135620832443237},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.09260886907577515},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/eusipco58844.2023.10289825","is_oa":false,"landing_page_url":"http://dx.doi.org/10.23919/eusipco58844.2023.10289825","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1383521410","display_name":null,"funder_award_id":"9568,11244","funder_id":"https://openalex.org/F4320327859","funder_display_name":"Hellenic Foundation for Research and Innovation"}],"funders":[{"id":"https://openalex.org/F4320327859","display_name":"Hellenic Foundation for Research and Innovation","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1489767088","https://openalex.org/W1551480811","https://openalex.org/W1605417594","https://openalex.org/W1978115611","https://openalex.org/W1988221840","https://openalex.org/W2027375384","https://openalex.org/W2027808387","https://openalex.org/W2045342695","https://openalex.org/W2088872157","https://openalex.org/W2090292347","https://openalex.org/W2320232449","https://openalex.org/W2526966398","https://openalex.org/W2943030739","https://openalex.org/W2943394482","https://openalex.org/W3006860322","https://openalex.org/W4280638069","https://openalex.org/W4375850660","https://openalex.org/W6727987865"],"related_works":["https://openalex.org/W2040666836","https://openalex.org/W2238041693","https://openalex.org/W2112774109","https://openalex.org/W125347959","https://openalex.org/W1990789772","https://openalex.org/W2536422707","https://openalex.org/W24145419","https://openalex.org/W2036329708","https://openalex.org/W2073514592","https://openalex.org/W2765250005"],"abstract_inverted_index":{"Efficiently":[0],"simulating":[1],"sound":[2,34,77],"density":[3,35],"in":[4,25,31,45,91],"room":[5,47],"acoustic":[6],"models":[7],"poses":[8],"a":[9,87,134],"significant":[10],"challenge":[11],"since":[12],"it":[13],"involves":[14],"the":[15,46,54,76],"solution":[16],"of":[17,20,56,120,137],"large-scale":[18],"systems":[19],"equations,":[21],"which":[22,52,97],"can":[23,72,98,114],"result":[24],"unreasonably/unacceptably":[26],"long":[27],"computation":[28],"times.":[29],"However,":[30],"many":[32,105],"cases,":[33],"measurements":[36],"only":[37],"need":[38],"to":[39,75,93,128],"be":[40,73,99],"taken":[41],"at":[42],"certain":[43],"points":[44],"rather":[48],"than":[49,139],"every":[50],"point,":[51],"allows":[53],"use":[55],"Model":[57],"Order":[58],"Reduction":[59],"(MOR)":[60],"techniques.":[61],"System":[62],"theoretic":[63],"techniques":[64],"like":[65],"balanced":[66],"truncation":[67],"(BT)":[68],"are":[69],"well-established":[70],"and":[71,101,122],"applied":[74],"diffusion":[78],"equation,":[79],"offering":[80],"reliable":[81],"error":[82,136],"bounds.":[83],"This":[84],"paper":[85],"presents":[86],"low-rank":[88],"BT":[89],"algorithm":[90],"order":[92,117],"generate":[94],"compact":[95],"models,":[96],"efficiently":[100],"accurately":[102],"simulated":[103],"over":[104],"timesteps.":[106],"The":[107],"experimental":[108],"results":[109],"show":[110],"that":[111],"this":[112],"method":[113],"provide":[115],"extreme":[116],"reduction":[118],"percentages":[119],"99.99%":[121],"thus":[123],"accelerate":[124],"simulations":[125],"by":[126],"up":[127],"<tex":[129],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[130],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$59\\times$</tex>":[131],"while":[132],"maintaining":[133],"relative":[135],"less":[138],"0.75%.":[140]},"counts_by_year":[],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}