{"id":"https://openalex.org/W2798421454","doi":"https://doi.org/10.1145/3170427.3188514","title":"Identifying Everyday Objects with a Smartphone Knock","display_name":"Identifying Everyday Objects with a Smartphone Knock","publication_year":2018,"publication_date":"2018-04-20","ids":{"openalex":"https://openalex.org/W2798421454","doi":"https://doi.org/10.1145/3170427.3188514","mag":"2798421454"},"language":"en","primary_location":{"id":"doi:10.1145/3170427.3188514","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3170427.3188514","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing 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/A5057451323","display_name":"Taesik Gong","orcid":"https://orcid.org/0000-0002-8967-3652"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Taesik Gong","raw_affiliation_strings":["Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054554480","display_name":"Hyunsung Cho","orcid":"https://orcid.org/0000-0002-6117-2768"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunsung Cho","raw_affiliation_strings":["Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089545632","display_name":"Bowon Lee","orcid":"https://orcid.org/0000-0001-5417-5699"},"institutions":[{"id":"https://openalex.org/I191879574","display_name":"Inha University","ror":"https://ror.org/01easw929","country_code":"KR","type":"education","lineage":["https://openalex.org/I191879574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Bowon Lee","raw_affiliation_strings":["Inha University, Incheon, Rebublic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inha University, Incheon, Rebublic of Korea","institution_ids":["https://openalex.org/I191879574"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101948265","display_name":"Sung-Ju Lee","orcid":"https://orcid.org/0000-0002-5518-2126"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sung-Ju Lee","raw_affiliation_strings":["Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea Advanced Institute of Science and Technology, Daejeon, Rebublic of Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10789","display_name":"Interactive and Immersive Displays","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T10789","display_name":"Interactive and Immersive Displays","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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":0.9973000288009644,"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"}},{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/accelerometer","display_name":"Accelerometer","score":0.8106802701950073},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7890626192092896},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.6774615049362183},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.5194939374923706},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.4658309817314148},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.45714902877807617},{"id":"https://openalex.org/keywords/android","display_name":"Android (operating system)","score":0.45478901267051697},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4243432879447937},{"id":"https://openalex.org/keywords/gyroscope","display_name":"Gyroscope","score":0.418994277715683},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4140302538871765},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38207346200942993},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11951008439064026}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.8106802701950073},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7890626192092896},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.6774615049362183},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.5194939374923706},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.4658309817314148},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.45714902877807617},{"id":"https://openalex.org/C557433098","wikidata":"https://www.wikidata.org/wiki/Q94","display_name":"Android (operating system)","level":2,"score":0.45478901267051697},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4243432879447937},{"id":"https://openalex.org/C158488048","wikidata":"https://www.wikidata.org/wiki/Q483400","display_name":"Gyroscope","level":2,"score":0.418994277715683},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4140302538871765},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38207346200942993},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11951008439064026},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"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:10.1145/3170427.3188514","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3170427.3188514","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.6100000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2027064609","https://openalex.org/W2070750307","https://openalex.org/W2133990480","https://openalex.org/W2138727017","https://openalex.org/W2144299314","https://openalex.org/W2346389740","https://openalex.org/W2610935612","https://openalex.org/W2611577320"],"related_works":["https://openalex.org/W2356006086","https://openalex.org/W2545168295","https://openalex.org/W2365897603","https://openalex.org/W4234814094","https://openalex.org/W2156308897","https://openalex.org/W4303613760","https://openalex.org/W2361871310","https://openalex.org/W2417246878","https://openalex.org/W1982154684","https://openalex.org/W2404620998"],"abstract_inverted_index":{"We":[0,71],"use":[1],"smartphones":[2],"and":[3,39,66,118,123,157],"their":[4],"apps":[5],"for":[6],"almost":[7],"every":[8],"daily":[9],"activity.":[10],"For":[11],"instance,":[12],"to":[13,23,90,132,145,169],"purchase":[14],"a":[15,20,52,92,100,107,128],"bottle":[16],"of":[17,35,51,87,95,111,149],"water":[18,37],"online,":[19],"user":[21,101,141],"has":[22],"unlock":[24],"the":[25,28,33,36,60,112,116,119,137,147],"smartphone,":[26,108],"find":[27],"right":[29],"e-commerce":[30],"app,":[31],"search":[32],"name":[34],"product,":[38],"finally":[40],"place":[41],"an":[42,64,74,104,134],"order.":[43],"This":[44],"procedure":[45],"requires":[46],"manual,":[47],"often":[48],"cumbersome,":[49],"input":[50],"user,":[53],"but":[54],"could":[55],"be":[56],"significantly":[57],"simplified":[58],"if":[59],"smartphone":[61],"can":[62],"identify":[63,133],"object":[65,75,105,135],"automatically":[67],"process":[68],"this":[69],"routine.":[70],"present":[72],"Knocker,":[73],"identification":[76],"technique":[77],"that":[78,97,163],"only":[79],"uses":[80],"commercial":[81],"off-the-shelf":[82],"smartphones.":[83],"The":[84,160],"basic":[85],"idea":[86],"Knocker":[88,126,150,164],"is":[89],"leverage":[91],"unique":[93],"set":[94],"responses":[96],"occur":[98],"when":[99],"knocks":[102],"on":[103],"with":[106,151,167],"which":[109],"consist":[110],"generated":[113],"sound":[114],"from":[115,136],"knock":[117,138],"changes":[120],"in":[121,154],"accelerometer":[122],"gyroscope":[124],"values.":[125],"employs":[127],"machine":[129],"learning":[130],"classifier":[131],"responses.":[139],"A":[140],"study":[142],"was":[143],"conducted":[144],"evaluate":[146],"feasibility":[148],"14":[152],"objects":[153,166],"both":[155],"quiet":[156],"noisy":[158],"environments.":[159],"result":[161],"shows":[162],"identifies":[165],"up":[168],"99.7%":[170],"accuracy.":[171]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}