{"id":"https://openalex.org/W2117995638","doi":"https://doi.org/10.1109/mlsp.2011.6064588","title":"False alarm reduction by improved filler model and post-processing in speech keyword spotting","display_name":"False alarm reduction by improved filler model and post-processing in speech keyword spotting","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2117995638","doi":"https://doi.org/10.1109/mlsp.2011.6064588","mag":"2117995638"},"language":"en","primary_location":{"id":"doi:10.1109/mlsp.2011.6064588","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mlsp.2011.6064588","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Workshop on Machine Learning for 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/A5065400728","display_name":"Amirhossein Tavanaei","orcid":"https://orcid.org/0000-0002-6482-440X"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Amirhossein Tavanaei","raw_affiliation_strings":["Department of Computer Engineering, Sharif University of Technology, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024773257","display_name":"Hossein Sameti","orcid":"https://orcid.org/0000-0002-8087-8889"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Hossein Sameti","raw_affiliation_strings":["Department of Computer Engineering, Sharif University of Technology, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063920867","display_name":"Seyyed Hamidreza Mohammadi","orcid":null},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Seyyed Hamidreza Mohammadi","raw_affiliation_strings":["Department of Computer Engineering, Sharif University of Technology, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I133529467"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.18587225,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":1.0,"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":1.0,"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":0.9980000257492065,"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/T11309","display_name":"Music and Audio Processing","score":0.9975000023841858,"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/keyword-spotting","display_name":"Keyword spotting","score":0.9825071692466736},{"id":"https://openalex.org/keywords/spotting","display_name":"Spotting","score":0.8864971399307251},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.830173134803772},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.6682054996490479},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6297429800033569},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6235673427581787},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6141700744628906},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5206691026687622},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.5165570974349976},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.45530715584754944},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.05418100953102112}],"concepts":[{"id":"https://openalex.org/C2781213101","wikidata":"https://www.wikidata.org/wiki/Q6398558","display_name":"Keyword spotting","level":2,"score":0.9825071692466736},{"id":"https://openalex.org/C2779506182","wikidata":"https://www.wikidata.org/wiki/Q7580141","display_name":"Spotting","level":2,"score":0.8864971399307251},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.830173134803772},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.6682054996490479},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6297429800033569},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6235673427581787},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6141700744628906},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5206691026687622},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.5165570974349976},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.45530715584754944},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.05418100953102112},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mlsp.2011.6064588","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mlsp.2011.6064588","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Workshop on Machine Learning for Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.47999998927116394}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W14635080","https://openalex.org/W1521608059","https://openalex.org/W2104124160","https://openalex.org/W2121785916","https://openalex.org/W2122797512","https://openalex.org/W2125838338","https://openalex.org/W2141856034","https://openalex.org/W2157406193","https://openalex.org/W2405666970","https://openalex.org/W2510216776","https://openalex.org/W6600592931","https://openalex.org/W6675309527","https://openalex.org/W6680997189","https://openalex.org/W6725420649"],"related_works":["https://openalex.org/W2918559346","https://openalex.org/W2114097550","https://openalex.org/W4286904253","https://openalex.org/W3119978414","https://openalex.org/W2516975559","https://openalex.org/W2388033618","https://openalex.org/W2545741539","https://openalex.org/W3206647229","https://openalex.org/W1969408022","https://openalex.org/W2000885660"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"four":[3],"methods":[4],"for":[5,57,76],"improving":[6,52],"the":[7,21,34,39,53,65,85,88,103,109,114,117,126,135],"performance":[8,86,115],"of":[9,28,36,41,45,87,105,116],"keyword":[10,46,119],"spotting":[11,120],"(KWS)":[12],"systems.":[13,138],"Keyword":[14],"models":[15,26,81],"are":[16,68,100],"usually":[17],"created":[18],"by":[19],"concatenating":[20],"phoneme":[22,96],"HMMs":[23,47,75],"and":[24,48,72,97,124],"garbage":[25],"consist":[27],"all":[29],"phonemes":[30],"HMMs.":[31],"We":[32,112],"present":[33],"results":[35,104],"investigations":[37],"involving":[38],"use":[40],"skips":[42],"in":[43,61,121],"states":[44],"we":[49,63,73],"focus":[50],"on":[51,95,102],"hit":[54],"ratio;":[55],"then":[56],"false":[58,110],"alarm":[59],"reduction":[60],"KWS":[62,106,137],"model":[64],"words":[66],"that":[67],"similar":[69],"to":[70,83,107],"keywords":[71],"create":[74],"highly":[77],"frequent":[78],"words.":[79],"These":[80],"help":[82],"improve":[84],"filler":[89],"model.":[90],"Two":[91],"post-processing":[92],"steps":[93],"based":[94],"word":[98],"probabilities":[99],"used":[101],"reduce":[108],"alarms.":[111],"evaluate":[113],"improved":[118],"FarsDat":[122],"corpus":[123],"compare":[125],"approaches.":[127],"The":[128],"presented":[129],"techniques":[130],"depict":[131],"better":[132],"performances":[133],"than":[134],"popular":[136]},"counts_by_year":[{"year":2021,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
