{"id":"https://openalex.org/W4206245524","doi":"https://doi.org/10.1080/01691864.2021.2023629","title":"Optical laser microphone for human-robot interaction: speech recognition in extremely noisy service environments","display_name":"Optical laser microphone for human-robot interaction: speech recognition in extremely noisy service environments","publication_year":2022,"publication_date":"2022-01-13","ids":{"openalex":"https://openalex.org/W4206245524","doi":"https://doi.org/10.1080/01691864.2021.2023629"},"language":"en","primary_location":{"id":"doi:10.1080/01691864.2021.2023629","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01691864.2021.2023629","pdf_url":null,"source":{"id":"https://openalex.org/S192584203","display_name":"Advanced Robotics","issn_l":"0169-1864","issn":["0169-1864","1568-5535"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advanced Robotics","raw_type":"journal-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/A5051293207","display_name":"Takahiro Fukumori","orcid":"https://orcid.org/0000-0002-4317-9704"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takahiro Fukumori","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":"https://orcid.org/0000-0002-4317-9704","affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044450881","display_name":"Chengkai Cai","orcid":null},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Chengkai Cai","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100747973","display_name":"Yutao Zhang","orcid":"https://orcid.org/0000-0002-2552-7736"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yutao Zhang","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017527511","display_name":"Lotfi El Hafi","orcid":"https://orcid.org/0000-0001-9795-6153"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Lotfi El Hafi","raw_affiliation_strings":["Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":"https://orcid.org/0000-0001-9795-6153","affiliations":[{"raw_affiliation_string":"Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064096346","display_name":"Yoshinobu Hagiwara","orcid":"https://orcid.org/0009-0006-1208-3159"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshinobu Hagiwara","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009257831","display_name":"Takanobu Nishiura","orcid":"https://orcid.org/0000-0002-1706-4743"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takanobu Nishiura","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023160093","display_name":"Tadahiro Taniguchi","orcid":"https://orcid.org/0000-0002-5682-2076"},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tadahiro Taniguchi","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5051293207"],"corresponding_institution_ids":["https://openalex.org/I135768898"],"apc_list":null,"apc_paid":null,"fwci":3.8686,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.94237825,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"36","issue":"5-6","first_page":"304","last_page":"317"},"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/T11309","display_name":"Music and Audio Processing","score":0.9894999861717224,"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/T10914","display_name":"Tactile and Sensory Interactions","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.6659835577011108},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6535558700561523},{"id":"https://openalex.org/keywords/laser-doppler-vibrometer","display_name":"Laser Doppler vibrometer","score":0.6430234909057617},{"id":"https://openalex.org/keywords/robot","display_name":"Robot","score":0.6209028959274292},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.5863063335418701},{"id":"https://openalex.org/keywords/service-robot","display_name":"Service robot","score":0.5759698152542114},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.46095067262649536},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4412010610103607},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43247976899147034},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4324430227279663},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4293118417263031},{"id":"https://openalex.org/keywords/laser-scanning-vibrometry","display_name":"Laser scanning vibrometry","score":0.41405409574508667},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4020518362522125},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.3956165909767151},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.14711296558380127},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11386916041374207},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10999393463134766},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09062820672988892},{"id":"https://openalex.org/keywords/laser-beams","display_name":"Laser beams","score":0.06587764620780945}],"concepts":[{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.6659835577011108},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6535558700561523},{"id":"https://openalex.org/C96199931","wikidata":"https://www.wikidata.org/wiki/Q1724132","display_name":"Laser Doppler vibrometer","level":4,"score":0.6430234909057617},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.6209028959274292},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.5863063335418701},{"id":"https://openalex.org/C2776228582","wikidata":"https://www.wikidata.org/wiki/Q7455797","display_name":"Service robot","level":3,"score":0.5759698152542114},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.46095067262649536},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4412010610103607},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43247976899147034},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4324430227279663},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4293118417263031},{"id":"https://openalex.org/C97034920","wikidata":"https://www.wikidata.org/wiki/Q973913","display_name":"Laser scanning vibrometry","level":5,"score":0.41405409574508667},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4020518362522125},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.3956165909767151},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.14711296558380127},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11386916041374207},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10999393463134766},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09062820672988892},{"id":"https://openalex.org/C2984025587","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser beams","level":3,"score":0.06587764620780945},{"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:10.1080/01691864.2021.2023629","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01691864.2021.2023629","pdf_url":null,"source":{"id":"https://openalex.org/S192584203","display_name":"Advanced Robotics","issn_l":"0169-1864","issn":["0169-1864","1568-5535"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advanced Robotics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335401","display_name":"Ritsumeikan Global Innovation Research Organization, Ritsumeikan University","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1517841224","https://openalex.org/W1552314771","https://openalex.org/W1888374534","https://openalex.org/W1968939597","https://openalex.org/W1999454387","https://openalex.org/W2027341454","https://openalex.org/W2041498927","https://openalex.org/W2055318182","https://openalex.org/W2058978399","https://openalex.org/W2067295501","https://openalex.org/W2075384415","https://openalex.org/W2081753968","https://openalex.org/W2149535104","https://openalex.org/W2151499894","https://openalex.org/W2152158092","https://openalex.org/W2171937428","https://openalex.org/W2197404611","https://openalex.org/W2230336266","https://openalex.org/W2291329039","https://openalex.org/W2513345070","https://openalex.org/W2554265044","https://openalex.org/W2592600618","https://openalex.org/W2789918215","https://openalex.org/W2791616807","https://openalex.org/W2792511626","https://openalex.org/W2810291168","https://openalex.org/W2906232908","https://openalex.org/W2910008089","https://openalex.org/W2963037989","https://openalex.org/W2963103134","https://openalex.org/W2992250360","https://openalex.org/W2993895103","https://openalex.org/W3041102365","https://openalex.org/W3083806227","https://openalex.org/W6678139903"],"related_works":["https://openalex.org/W3199221649","https://openalex.org/W2052141358","https://openalex.org/W4244336329","https://openalex.org/W2062104165","https://openalex.org/W1971731820","https://openalex.org/W3017341204","https://openalex.org/W2133818864","https://openalex.org/W1971551385","https://openalex.org/W2173345607","https://openalex.org/W1968254438"],"abstract_inverted_index":{"Domestic":[0],"robots":[1,20],"are":[2,33],"often":[3],"required":[4],"to":[5,26,35,38,66,73,83,122,130],"understand":[6],"spoken":[7],"commands":[8],"in":[9,41,57,99,142,149],"noisy":[10,101,151],"environments,":[11],"including":[12],"service":[13,102],"appliances'":[14],"operating":[15],"sounds.":[16],"Most":[17],"conventional":[18,156],"domestic":[19],"use":[21],"electret":[22],"condenser":[23],"microphones":[24],"(ECMs)":[25],"record":[27,123],"the":[28,31,39,42,58,64,85,89,117,120,124,132,138],"sound.":[29,125],"However,":[30],"ECMs":[32],"known":[34],"be":[36],"sensitive":[37],"noise":[40],"direction":[43],"of":[44,61,79,87,119,134],"sound":[45],"arrival.":[46],"The":[47,77],"laser":[48,94,114,140],"Doppler":[49],"vibrometer":[50],"(LDV),":[51],"which":[52],"has":[53,63],"been":[54],"widely":[55],"used":[56],"research":[59],"field":[60],"measurement,":[62],"potential":[65],"work":[67],"as":[68,91],"a":[69,110,113,155],"new":[70],"speech-input":[71],"device":[72],"solve":[74],"this":[75,80],"problem.":[76],"aim":[78],"paper":[81],"is":[82],"investigate":[84],"effectiveness":[86],"using":[88,137],"LDV":[90],"an":[92,107],"optical":[93,139],"microphone":[95,141],"for":[96],"human-robot":[97],"interaction":[98],"extremely":[100,150],"environments.":[103],"Our":[104],"robot":[105],"irradiates":[106],"object":[108,121],"near":[109],"speaker":[111],"with":[112,154],"and":[115,145],"measures":[116],"vibration":[118],"We":[126],"conducted":[127],"three":[128],"experiments":[129],"assess":[131],"performance":[133,148],"speech":[135],"recognition":[136],"various":[143],"settings":[144],"showed":[146],"stable":[147],"conditions":[152],"compared":[153],"ECM.":[157]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}