{"id":"https://openalex.org/W2092614220","doi":"https://doi.org/10.1145/2632048.2632088","title":"Detecting hybrid and electric vehicles using a smartphone","display_name":"Detecting hybrid and electric vehicles using a smartphone","publication_year":2014,"publication_date":"2014-09-13","ids":{"openalex":"https://openalex.org/W2092614220","doi":"https://doi.org/10.1145/2632048.2632088","mag":"2092614220"},"language":"en","primary_location":{"id":"doi:10.1145/2632048.2632088","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2632048.2632088","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing","raw_type":"proceedings-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/A5028758412","display_name":"Masaru Takagi","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaru Takagi","raw_affiliation_strings":["","The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]},{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038642980","display_name":"Kosuke Fujimoto","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kosuke Fujimoto","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069381472","display_name":"Yoshihiro Kawahara","orcid":"https://orcid.org/0000-0002-0310-2577"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihiro Kawahara","raw_affiliation_strings":["","The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]},{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110612374","display_name":"Tohru Asami","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tohru Asami","raw_affiliation_strings":["","The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]},{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2227,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.89319897,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"267","last_page":"275"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12759","display_name":"Vehicle Noise and Vibration Control","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12759","display_name":"Vehicle Noise and Vibration Control","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"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/T11099","display_name":"Autonomous Vehicle Technology and Safety","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9919999837875366,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.7028669118881226},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5568232536315918},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.5077746510505676},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.4711897373199463},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.468252032995224},{"id":"https://openalex.org/keywords/electric-vehicle","display_name":"Electric vehicle","score":0.41152098774909973},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37307876348495483},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3209322988986969},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.2652382254600525},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.1547623574733734}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7028669118881226},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5568232536315918},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.5077746510505676},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.4711897373199463},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.468252032995224},{"id":"https://openalex.org/C2776422217","wikidata":"https://www.wikidata.org/wiki/Q13629441","display_name":"Electric vehicle","level":3,"score":0.41152098774909973},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37307876348495483},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3209322988986969},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.2652382254600525},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.1547623574733734},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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:10.1145/2632048.2632088","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2632048.2632088","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5299999713897705,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1601575961","https://openalex.org/W2001942631","https://openalex.org/W2019719127","https://openalex.org/W2057784846","https://openalex.org/W2090340221","https://openalex.org/W2125896931","https://openalex.org/W2128250052","https://openalex.org/W2138273245","https://openalex.org/W2188470426","https://openalex.org/W2571813577"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W4312814274","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W1992240613"],"abstract_inverted_index":{"Pedestrians":[0],"have":[1,122],"difficulty":[2],"noticing":[3],"hybrid":[4],"vehicles":[5,9],"(HVs)":[6],"and":[7,57,77,135,144,171],"electrical":[8],"(EVs)":[10],"quietly":[11],"approaching":[12,33],"from":[13],"behind.":[14],"We":[15,44,121],"propose":[16],"a":[17,22,26,31,74,82,98,110,124],"vehicle":[18,32,128,159,169,172],"detection":[19,140],"scheme":[20,141,164],"using":[21],"smartphone":[23,83,111],"carried":[24],"by":[25,51],"pedestrian.":[27],"A":[28,105],"notification":[29],"of":[30,127,138],"can":[34,112,165],"be":[35],"delivered":[36],"to":[37,64,84,97],"wearable":[38],"devices":[39],"such":[40],"as":[41,152,154],"Google":[42],"Glass.":[43],"exploit":[45],"the":[46,52,102,158,161,168],"high-frequency":[47,66],"switching":[48],"noise":[49],"generated":[50],"motor":[53],"unit":[54],"in":[55,101],"HVs":[56],"EVs.":[58],"Although":[59],"people":[60],"are":[61,70,142],"less":[62],"sensitive":[63],"these":[65,68,86],"ranges,":[67],"sounds":[69],"prominent":[71],"even":[72],"on":[73,109],"busy":[75],"street,":[76],"it":[78],"is":[79,95,119],"possible":[80],"for":[81],"detect":[85],"signals.":[87],"The":[88,133,147,163],"ambient":[89],"sound":[90],"captured":[91],"at":[92,130],"48":[93],"kHz":[94],"converted":[96],"feature":[99],"vector":[100],"frequency":[103],"domain.":[104],"J48":[106],"classifier":[107],"implemented":[108],"determine":[113,167],"whether":[114],"an":[115],"EV":[116],"or":[117],"HV":[118],"approaching.":[120],"collected":[123],"large":[125],"amount":[126],"data":[129],"various":[131],"locations.":[132],"false-positive":[134],"false-negative":[136],"rates":[137],"our":[139],"1.2%":[143],"4.95%,":[145],"respectively.":[146],"first":[148],"alarm":[149],"was":[150],"detected":[151],"early":[153],"11.6":[155],"s":[156],"before":[157],"approached":[160],"observer.":[162],"also":[166],"speed":[170],"type.":[173]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}