{"id":"https://openalex.org/W2937291509","doi":"https://doi.org/10.1109/icassp.2019.8683403","title":"Frequency-domain Adaptive Filtering: from Real to Hypercomplex Signal Processing","display_name":"Frequency-domain Adaptive Filtering: from Real to Hypercomplex Signal Processing","publication_year":2019,"publication_date":"2019-04-17","ids":{"openalex":"https://openalex.org/W2937291509","doi":"https://doi.org/10.1109/icassp.2019.8683403","mag":"2937291509"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2019.8683403","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2019.8683403","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5019647783","display_name":"Danilo Comminiello","orcid":"https://orcid.org/0000-0003-4067-4504"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Danilo Comminiello","raw_affiliation_strings":["Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067809229","display_name":"Michele Scarpiniti","orcid":"https://orcid.org/0000-0002-3164-6256"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Michele Scarpiniti","raw_affiliation_strings":["Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090987990","display_name":"Raffaele Parisi","orcid":"https://orcid.org/0000-0002-6062-0274"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Raffaele Parisi","raw_affiliation_strings":["Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039283820","display_name":"Aurelio Uncini","orcid":"https://orcid.org/0000-0002-5793-0917"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Aurelio Uncini","raw_affiliation_strings":["Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9422,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.84846297,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"7745","last_page":"7749"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":1.0,"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/T10860","display_name":"Speech and Audio Processing","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hypercomplex-number","display_name":"Hypercomplex number","score":0.9541149139404297},{"id":"https://openalex.org/keywords/quaternion","display_name":"Quaternion","score":0.7561516761779785},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.7530038356781006},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.6644442081451416},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6139332056045532},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5352988839149475},{"id":"https://openalex.org/keywords/impulse-response","display_name":"Impulse response","score":0.5165440440177917},{"id":"https://openalex.org/keywords/finite-impulse-response","display_name":"Finite impulse response","score":0.4871666133403778},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4541589021682739},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4470606744289398},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4450471103191376},{"id":"https://openalex.org/keywords/infinite-impulse-response","display_name":"Infinite impulse response","score":0.4371246099472046},{"id":"https://openalex.org/keywords/filter-bank","display_name":"Filter bank","score":0.43214672803878784},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.3158252239227295},{"id":"https://openalex.org/keywords/digital-filter","display_name":"Digital filter","score":0.29907840490341187},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2733301520347595},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.11124083399772644}],"concepts":[{"id":"https://openalex.org/C203249530","wikidata":"https://www.wikidata.org/wiki/Q837414","display_name":"Hypercomplex number","level":3,"score":0.9541149139404297},{"id":"https://openalex.org/C200127275","wikidata":"https://www.wikidata.org/wiki/Q173853","display_name":"Quaternion","level":2,"score":0.7561516761779785},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.7530038356781006},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.6644442081451416},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6139332056045532},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5352988839149475},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.5165440440177917},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.4871666133403778},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4541589021682739},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4470606744289398},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4450471103191376},{"id":"https://openalex.org/C183816354","wikidata":"https://www.wikidata.org/wiki/Q665617","display_name":"Infinite impulse response","level":4,"score":0.4371246099472046},{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.43214672803878784},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.3158252239227295},{"id":"https://openalex.org/C36390408","wikidata":"https://www.wikidata.org/wiki/Q1163067","display_name":"Digital filter","level":3,"score":0.29907840490341187},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2733301520347595},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.11124083399772644},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2019.8683403","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2019.8683403","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/1296853","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/1296853","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W292716351","https://openalex.org/W1538882755","https://openalex.org/W1546756991","https://openalex.org/W1551885867","https://openalex.org/W1983725199","https://openalex.org/W2016960691","https://openalex.org/W2027282255","https://openalex.org/W2033133303","https://openalex.org/W2099057098","https://openalex.org/W2101620555","https://openalex.org/W2102800590","https://openalex.org/W2107670889","https://openalex.org/W2112704467","https://openalex.org/W2118134355","https://openalex.org/W2141265765","https://openalex.org/W2151978417","https://openalex.org/W2164729314","https://openalex.org/W2168837669","https://openalex.org/W2170317615","https://openalex.org/W2234725077","https://openalex.org/W2319842527","https://openalex.org/W2397974105","https://openalex.org/W2482792214","https://openalex.org/W2536240123","https://openalex.org/W2550592870","https://openalex.org/W2553809626","https://openalex.org/W2610805269","https://openalex.org/W2718043749","https://openalex.org/W2769884427","https://openalex.org/W2780762438","https://openalex.org/W2803618267","https://openalex.org/W2804308175","https://openalex.org/W2891296906","https://openalex.org/W4210475733","https://openalex.org/W4239240501","https://openalex.org/W4255163160"],"related_works":["https://openalex.org/W2916518000","https://openalex.org/W2916498667","https://openalex.org/W2917906954","https://openalex.org/W2572893131","https://openalex.org/W2917330019","https://openalex.org/W2917006597","https://openalex.org/W2125120409","https://openalex.org/W2916884673","https://openalex.org/W1897251165","https://openalex.org/W2423267406"],"abstract_inverted_index":{"Frequency-domain":[0],"adaptive":[1,32,131],"filters":[2],"(FDAFs)":[3],"have":[4],"been":[5],"widely":[6],"used":[7,50],"over":[8],"the":[9,27,52,55,60,65,92,103,109,112,117,126,129,135],"years,":[10],"but":[11],"they":[12],"are":[13],"still":[14],"matter":[15],"of":[16,30,54,59,67,71,89,111,119,128,137],"research":[17],"due":[18],"to":[19,76,99,116],"their":[20],"powerful":[21],"capabilities":[22],"that":[23,47],"differentiate":[24],"them":[25],"from":[26,73,102],"whole":[28],"family":[29,62],"time-domain":[31],"filters.":[33],"This":[34],"paper":[35],"aims":[36],"at":[37],"providing":[38],"an":[39],"overview":[40],"on":[41,85],"FDAFs":[42,90],"through":[43],"a":[44,68,86,138],"unifying":[45],"framework":[46],"can":[48],"be":[49],"for":[51],"derivation":[53],"most":[56],"popular":[57],"algorithms":[58],"FDAF":[61,115],"and":[63,78,95],"enables":[64],"processing":[66,118],"wide":[69],"variety":[70],"signals,":[72],"real-valued":[74],"ones":[75],"complex-":[77],"hypercomplex-valued":[79],"signals.":[80,122],"In":[81],"particular,":[82],"we":[83,96,107],"focus":[84],"recent":[87],"class":[88],"in":[91,133],"quaternion":[93,114],"domain":[94],"show":[97,125],"how":[98],"derive":[100],"it":[101],"described":[104],"framework.":[105],"Moreover,":[106],"evaluate":[108],"application":[110],"derived":[113],"3D":[120],"audio":[121],"Experimental":[123],"results":[124],"effectiveness":[127],"proposed":[130],"filter":[132],"estimating":[134],"inverse":[136],"multidimensional":[139],"acoustic":[140],"impulse":[141],"response.":[142]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}