{"id":"https://openalex.org/W2148461771","doi":"https://doi.org/10.1109/icassp.2009.4959511","title":"On noise reduction in the Karhunen-Lo\u00e8ve expansion domain","display_name":"On noise reduction in the Karhunen-Lo\u00e8ve expansion domain","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2148461771","doi":"https://doi.org/10.1109/icassp.2009.4959511","mag":"2148461771"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4959511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4959511","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal 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/A5071376063","display_name":"Jacob Benesty","orcid":"https://orcid.org/0000-0002-0036-5865"},"institutions":[{"id":"https://openalex.org/I159129438","display_name":"Universit\u00e9 du Qu\u00e9bec \u00e0 Montr\u00e9al","ror":"https://ror.org/002rjbv21","country_code":"CA","type":"education","lineage":["https://openalex.org/I159129438","https://openalex.org/I49663120"]},{"id":"https://openalex.org/I39481719","display_name":"Institut National de la Recherche Scientifique","ror":"https://ror.org/04td37d32","country_code":"CA","type":"education","lineage":["https://openalex.org/I39481719","https://openalex.org/I49663120"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jacob Benesty","raw_affiliation_strings":["INRS-EMT, University of Quebec, Montreal, QUE, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INRS-EMT, University of Quebec, Montreal, QUE, Canada","institution_ids":["https://openalex.org/I159129438","https://openalex.org/I39481719"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056129529","display_name":"Jingdong Chen","orcid":"https://orcid.org/0000-0003-0083-9247"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jingdong Chen","raw_affiliation_strings":["Bell Laboratories, Murray Hill, NJ, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Murray Hill, NJ, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102111886","display_name":"Yiteng Huang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yiteng Huang","raw_affiliation_strings":["WeVoice, Inc., Bridgewater, NJ, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WeVoice, Inc., Bridgewater, NJ, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6081,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.84155808,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"25","last_page":"28"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998999834060669,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9962000250816345,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9955999851226807,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.7851790189743042},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6858015060424805},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6453290581703186},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.6018145680427551},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.5760510563850403},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.5520263314247131},{"id":"https://openalex.org/keywords/noise-measurement","display_name":"Noise measurement","score":0.5442514419555664},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5037850737571716},{"id":"https://openalex.org/keywords/gradient-noise","display_name":"Gradient noise","score":0.48724237084388733},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.4747481942176819},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.47181475162506104},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4677453339099884},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4632697105407715},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4618571996688843},{"id":"https://openalex.org/keywords/value-noise","display_name":"Value noise","score":0.43467456102371216},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24275848269462585},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11065289378166199},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.09745845198631287},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.09511995315551758},{"id":"https://openalex.org/keywords/noise-floor","display_name":"Noise floor","score":0.08785894513130188}],"concepts":[{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.7851790189743042},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6858015060424805},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6453290581703186},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.6018145680427551},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.5760510563850403},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5520263314247131},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.5442514419555664},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5037850737571716},{"id":"https://openalex.org/C200378446","wikidata":"https://www.wikidata.org/wiki/Q4147391","display_name":"Gradient noise","level":5,"score":0.48724237084388733},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.4747481942176819},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.47181475162506104},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4677453339099884},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4632697105407715},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4618571996688843},{"id":"https://openalex.org/C182163834","wikidata":"https://www.wikidata.org/wiki/Q2926529","display_name":"Value noise","level":5,"score":0.43467456102371216},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24275848269462585},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11065289378166199},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.09745845198631287},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.09511995315551758},{"id":"https://openalex.org/C187612029","wikidata":"https://www.wikidata.org/wiki/Q17083130","display_name":"Noise floor","level":4,"score":0.08785894513130188},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2009.4959511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4959511","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.5099999904632568},{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.4699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W87496662","https://openalex.org/W1492221128","https://openalex.org/W2000916836","https://openalex.org/W2013590534","https://openalex.org/W2061074721","https://openalex.org/W2096779346","https://openalex.org/W2113131123","https://openalex.org/W2914048585"],"related_works":["https://openalex.org/W3125397569","https://openalex.org/W2098539690","https://openalex.org/W4226451553","https://openalex.org/W2116036791","https://openalex.org/W2162712524","https://openalex.org/W2588855097","https://openalex.org/W2032021057","https://openalex.org/W2170781407","https://openalex.org/W2057119739","https://openalex.org/W2025188156"],"abstract_inverted_index":{"In":[0],"this":[1,51],"paper,":[2],"we":[3],"study":[4],"the":[5,9,30,34,69,81,90,99,102],"noise-reduction":[6,92],"problem":[7],"in":[8,94],"Karhunen-Lo\u00e8ve":[10],"expansion":[11],"domain.":[12],"We":[13,37,84],"develop":[14],"two":[15],"classes":[16],"of":[17,26,33,76,80,101],"optimal":[18,91,104],"filters.":[19,105],"The":[20,53],"first":[21],"class":[22,96],"estimates":[23],"a":[24,74],"frame":[25,32],"speech":[27],"by":[28,65],"filtering":[29,66],"corresponding":[31],"noisy":[35,82],"speech.":[36,83],"will":[38,85],"show":[39],"that":[40],"several":[41],"well-known":[42],"existing":[43],"methods":[44],"belong":[45],"or":[46],"are":[47],"closely":[48],"related":[49],"to":[50,88],"category.":[52],"second":[54],"class,":[55],"which":[56],"has":[57],"not":[58,67],"been":[59],"studied":[60],"before,":[61],"obtains":[62],"noise":[63],"reduction":[64],"only":[68],"current":[70],"frame,":[71],"but":[72],"also":[73],"number":[75],"previous":[77],"consecutive":[78],"frames":[79],"discuss":[86],"how":[87],"design":[89],"filters":[93],"each":[95],"and":[97],"demonstrate":[98],"properties":[100],"deduced":[103]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}