{"id":"https://openalex.org/W2134932439","doi":"https://doi.org/10.1109/iscas.2009.5118031","title":"Parameter optimization in ε-filter for acoustical signal based on correlation coefficient","display_name":"Parameter optimization in ε-filter for acoustical signal based on correlation coefficient","publication_year":2009,"publication_date":"2009-05-01","ids":{"openalex":"https://openalex.org/W2134932439","doi":"https://doi.org/10.1109/iscas.2009.5118031","mag":"2134932439"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2009.5118031","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2009.5118031","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Circuits and Systems","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/A5113573385","display_name":"Tomomi Abe","orcid":null},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomomi Abe","raw_affiliation_strings":["Major in Pure and Applied Physics, Waseda university, Shinjuku, Tokyo, Japan","Pure and Applied Physics, Waseda University, 55N-4F-10A, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Major in Pure and Applied Physics, Waseda university, Shinjuku, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]},{"raw_affiliation_string":"Pure and Applied Physics, Waseda University, 55N-4F-10A, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan","institution_ids":["https://openalex.org/I150744194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065587361","display_name":"Mitsuharu Matsumoto","orcid":"https://orcid.org/0000-0003-2715-1530"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mitsuharu Matsumoto","raw_affiliation_strings":["The Education and Research Center of Frontier Science, University of Electro-Communications, Chofu, Tokyo, Japan","The Education and Research Center for Frontier Science, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo, 182-8585, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Education and Research Center of Frontier Science, University of Electro-Communications, Chofu, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]},{"raw_affiliation_string":"The Education and Research Center for Frontier Science, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo, 182-8585, Japan","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004364082","display_name":"Shuji Hashimoto","orcid":"https://orcid.org/0000-0003-2080-7795"},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuji Hashimoto","raw_affiliation_strings":["Department of Applied Physics, Waseda university, Shinjuku, Tokyo, Japan","Department of Applied Physics, Waseda university, 55N-4F-10A, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Applied Physics, Waseda university, Shinjuku, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]},{"raw_affiliation_string":"Department of Applied Physics, Waseda university, 55N-4F-10A, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan","institution_ids":["https://openalex.org/I150744194"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.20262431,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"j85 a","issue":null,"first_page":"1417","last_page":"1420"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"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":1.0,"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":0.9997000098228455,"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/T11309","display_name":"Music and Audio Processing","score":0.9987999796867371,"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/filter","display_name":"Filter (signal processing)","score":0.6603407263755798},{"id":"https://openalex.org/keywords/filter-design","display_name":"Filter design","score":0.6084522604942322},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6070370674133301},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5122515559196472},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5008206367492676},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4895206689834595},{"id":"https://openalex.org/keywords/noise-measurement","display_name":"Noise measurement","score":0.46108999848365784},{"id":"https://openalex.org/keywords/kernel-adaptive-filter","display_name":"Kernel adaptive filter","score":0.4519748389720917},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4104654788970947},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4094460904598236},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.2593943476676941},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11970606446266174}],"concepts":[{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.6603407263755798},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.6084522604942322},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6070370674133301},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5122515559196472},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5008206367492676},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4895206689834595},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.46108999848365784},{"id":"https://openalex.org/C13107197","wikidata":"https://www.wikidata.org/wiki/Q6394192","display_name":"Kernel adaptive filter","level":4,"score":0.4519748389720917},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4104654788970947},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4094460904598236},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.2593943476676941},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11970606446266174},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2009.5118031","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2009.5118031","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2034321638","https://openalex.org/W2080577510","https://openalex.org/W2105934661","https://openalex.org/W2118522520","https://openalex.org/W2128653836","https://openalex.org/W2151012548"],"related_works":["https://openalex.org/W2035423492","https://openalex.org/W2390004645","https://openalex.org/W2023209729","https://openalex.org/W4248148385","https://openalex.org/W2078971444","https://openalex.org/W2029959729","https://openalex.org/W2057640784","https://openalex.org/W4205364631","https://openalex.org/W2369001708","https://openalex.org/W1489991992"],"abstract_inverted_index":{"epsiv-filter":[0],"can":[1,31,36],"reduce":[2,33,37],"most":[3],"kinds":[4],"of":[5,72,76,85,103,117,127,141,149,155],"noise":[6,41],"from":[7],"a":[8,21],"single-channel":[9],"noisy":[10],"signal":[11,15],"with":[12],"preserving":[13],"the":[14,70,73,86,90,93,96,100,104,110,114,121,125,128,132,139,147],"that":[16],"varies":[17],"drastically":[18],"such":[19],"as":[20,99],"speech":[22],"signal.":[23],"The":[24,143],"filter":[25,87,97],"design":[26],"is":[27],"simple":[28],"and":[29,51,89,95,131],"it":[30,47],"effectively":[32],"noise.":[34,45],"It":[35],"not":[38],"only":[39],"stationary":[40],"but":[42],"also":[43,108],"nonstationary":[44],"However,":[46],"has":[48],"some":[49],"parameters":[50],"we":[52,81,137],"need":[53],"to":[54,68,112,123],"set":[55,113],"them":[56],"appropriately":[57],"based":[58],"on":[59],"empirical":[60],"control.":[61],"So":[62],"far,":[63],"there":[64],"are":[65],"few":[66],"studies":[67],"evaluate":[69],"appropriateness":[71],"parameter":[74,105,116,153],"setting":[75,154],"epsiv-filter.":[77,118,156],"In":[78],"this":[79],"paper,":[80],"employ":[82],"correlation":[83,129],"coefficient":[84,130],"output":[88,98],"difference":[91],"between":[92],"input":[94],"evaluation":[101],"function":[102],"setting.":[106],"We":[107,119],"show":[109,146],"algorithm":[111],"optimal":[115],"conducted":[120],"experiments":[122],"compare":[124],"value":[126,140],"mean":[133],"absolute":[134],"error":[135],"when":[136],"change":[138],"epsiv.":[142],"experimental":[144],"results":[145],"applicability":[148],"our":[150],"criterion":[151],"in":[152]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}