{"id":"https://openalex.org/W2612671228","doi":"https://doi.org/10.1109/icassp.2017.7953195","title":"e-vectors: JFA and i-vectors revisited","display_name":"e-vectors: JFA and i-vectors revisited","publication_year":2017,"publication_date":"2017-03-01","ids":{"openalex":"https://openalex.org/W2612671228","doi":"https://doi.org/10.1109/icassp.2017.7953195","mag":"2612671228"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2017.7953195","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2017.7953195","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5015516603","display_name":"Sandro Cumani","orcid":"https://orcid.org/0000-0001-6036-0065"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sandro Cumani","raw_affiliation_strings":["Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023812879","display_name":"Pietro Laface","orcid":"https://orcid.org/0000-0003-2841-7695"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Pietro Laface","raw_affiliation_strings":["Politecnico di Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I177477856"],"apc_list":null,"apc_paid":null,"fwci":0.5537,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.68170611,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"5435","last_page":"5439"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11269","display_name":"Algorithms and Data Compression","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10860","display_name":"Speech and Audio Processing","score":0.989799976348877,"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/computer-science","display_name":"Computer science","score":0.6133195161819458},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.41204604506492615},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.34516024589538574}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6133195161819458},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.41204604506492615},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.34516024589538574}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2017.7953195","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2017.7953195","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:porto.polito.it:2670013","is_oa":false,"landing_page_url":"http://porto.polito.it/2670013/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402038","display_name":"PORTO Publications Open Repository TOrino (Politecnico di Torino)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I177477856","host_organization_name":"Politecnico di Torino","host_organization_lineage":["https://openalex.org/I177477856"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W72086072","https://openalex.org/W111477576","https://openalex.org/W120453794","https://openalex.org/W204053250","https://openalex.org/W1916834241","https://openalex.org/W1971758513","https://openalex.org/W1990942610","https://openalex.org/W1997519598","https://openalex.org/W2041823554","https://openalex.org/W2107638917","https://openalex.org/W2112582577","https://openalex.org/W2136879537","https://openalex.org/W2150769028","https://openalex.org/W2165108269","https://openalex.org/W2173092938","https://openalex.org/W2183016404","https://openalex.org/W2395750323","https://openalex.org/W2404874347","https://openalex.org/W2405950182","https://openalex.org/W2406312423","https://openalex.org/W2493361416","https://openalex.org/W2962853205","https://openalex.org/W4234330420","https://openalex.org/W6602938086","https://openalex.org/W6604960444","https://openalex.org/W6608353291","https://openalex.org/W6640010188","https://openalex.org/W6649527284","https://openalex.org/W6686491854","https://openalex.org/W6713414053","https://openalex.org/W6713727690"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W4402327032","https://openalex.org/W2382290278"],"abstract_inverted_index":{"Systems":[0],"based":[1],"on":[2,134],"i-vectors":[3,147],"represent":[4],"the":[5,27,48,52,70,76,115,119,126,135,146,157,179],"current":[6],"state-of-the-art":[7],"in":[8],"text-independent":[9],"speaker":[10,28,54,67],"recognition.":[11],"In":[12],"this":[13,104],"work":[14],"we":[15,39,150],"introduce":[16],"a":[17,22,64,88,94,108,129],"new":[18],"compact":[19],"representation":[20],"of":[21,30,51,128,131,156],"speech":[23],"segment,":[24],"similar":[25],"to":[26,36,87,114,178],"factors":[29],"Joint":[31],"Factor":[32],"Analysis":[33],"(JFA)":[34],"and":[35,99,106,163],"i-vectors,":[37],"that":[38,61,102],"call":[40],"\u201ce-vector\u201d.":[41],"The":[42],"e-vectors":[43,149],"derive":[44],"their":[45],"name":[46],"from":[47],"eigen-voice":[49],"space":[50],"JFA":[53,62],"modeling":[55,98],"approach.":[56],"Our":[57],"working":[58],"hypothesis":[59],"is":[60,78],"estimates":[63,107],"more":[65,109],"informative":[66],"subspace":[68,111],"than":[69],"\u201ctotal":[71],"variability\u201d":[72],"i-vector":[73,121,181],"subspace,":[74],"because":[75],"latter":[77],"obtained":[79],"by":[80,118,125],"considering":[81],"each":[82],"training":[83,100],"segment":[84],"as":[85,123],"belonging":[86],"different":[89,161],"speaker.":[90],"We":[91],"propose,":[92],"thus,":[93],"simple":[95],"\u201ci-vector":[96],"style\u201d":[97],"technique":[101],"exploits":[103],"observation,":[105],"accurate":[110],"with":[112,148,176],"respect":[113,177],"one":[116],"provided":[117],"classical":[120],"approach,":[122],"confirmed":[124],"results":[127],"set":[130],"tests":[132],"performed":[133],"extended":[136],"core":[137],"NIST":[138],"2012":[139],"Speaker":[140],"Recognition":[141],"Evaluation":[142],"dataset.":[143],"Simply":[144],"replacing":[145],"get":[151],"approximately":[152],"10%":[153],"average":[154],"improvement":[155],"Cprimarycost":[158],"function,":[159],"using":[160],"systems":[162],"classifiers.":[164],"These":[165],"performance":[166],"gains":[167],"come":[168],"without":[169],"any":[170],"additional":[171],"memory":[172],"or":[173],"computational":[174],"costs":[175],"standard":[180],"systems.":[182]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}