{"id":"https://openalex.org/W3173045987","doi":"https://doi.org/10.1109/access.2021.3089940","title":"Internet of Things Assisted Monitoring Using Ultrasound-Based Gesture Recognition Contactless System","display_name":"Internet of Things Assisted Monitoring Using Ultrasound-Based Gesture Recognition Contactless System","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3173045987","doi":"https://doi.org/10.1109/access.2021.3089940","mag":"3173045987"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3089940","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3089940","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2021.3089940","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069174377","display_name":"David Melo","orcid":"https://orcid.org/0000-0003-3668-1453"},"institutions":[{"id":"https://openalex.org/I161321875","display_name":"University of Beira Interior","ror":"https://ror.org/03nf36p02","country_code":"PT","type":"education","lineage":["https://openalex.org/I161321875"]},{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"David F. Q. Melo","raw_affiliation_strings":["Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal"],"raw_orcid":"https://orcid.org/0000-0003-3668-1453","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal","institution_ids":["https://openalex.org/I161321875","https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055050505","display_name":"Bruno M. C. Silva","orcid":"https://orcid.org/0000-0002-5939-8370"},"institutions":[{"id":"https://openalex.org/I161321875","display_name":"University of Beira Interior","ror":"https://ror.org/03nf36p02","country_code":"PT","type":"education","lineage":["https://openalex.org/I161321875"]},{"id":"https://openalex.org/I2800794739","display_name":"Universidade Europeia","ror":"https://ror.org/04bcdt432","country_code":"PT","type":"education","lineage":["https://openalex.org/I2800794739"]},{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Bruno M. C. Silva","raw_affiliation_strings":["IADE, Universidade Europeia, Lisboa, Portugal","Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-5939-8370","affiliations":[{"raw_affiliation_string":"IADE, Universidade Europeia, Lisboa, Portugal","institution_ids":["https://openalex.org/I2800794739"]},{"raw_affiliation_string":"Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal","institution_ids":["https://openalex.org/I161321875","https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014653405","display_name":"Nuno Pombo","orcid":"https://orcid.org/0000-0001-7797-8849"},"institutions":[{"id":"https://openalex.org/I161321875","display_name":"University of Beira Interior","ror":"https://ror.org/03nf36p02","country_code":"PT","type":"education","lineage":["https://openalex.org/I161321875"]},{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Nuno Pombo","raw_affiliation_strings":["Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal"],"raw_orcid":"https://orcid.org/0000-0001-7797-8849","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunica\u00e7\u00f5es, Universidade da Beira Interior, Covilh\u00e3, Portugal","institution_ids":["https://openalex.org/I161321875","https://openalex.org/I4210120471"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034248951","display_name":"Lina Xu","orcid":"https://orcid.org/0000-0003-3255-5396"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Lina Xu","raw_affiliation_strings":["University College Dublin (UCD), Dublin 4, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-3255-5396","affiliations":[{"raw_affiliation_string":"University College Dublin (UCD), Dublin 4, Ireland","institution_ids":["https://openalex.org/I100930933"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.8425,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.85035131,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"9","issue":null,"first_page":"90185","last_page":"90194"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9998999834060669,"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9998999834060669,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9976000189781189,"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"}},{"id":"https://openalex.org/T13382","display_name":"Robotics and Automated Systems","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8104962110519409},{"id":"https://openalex.org/keywords/interactive-kiosk","display_name":"Interactive kiosk","score":0.7419173121452332},{"id":"https://openalex.org/keywords/gesture","display_name":"Gesture","score":0.6861786842346191},{"id":"https://openalex.org/keywords/gesture-recognition","display_name":"Gesture recognition","score":0.5989893078804016},{"id":"https://openalex.org/keywords/usability","display_name":"Usability","score":0.5956790447235107},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.5833945870399475},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.43414193391799927},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.4315830171108246},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23442548513412476},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.11002030968666077},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.09951743483543396}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8104962110519409},{"id":"https://openalex.org/C116865082","wikidata":"https://www.wikidata.org/wiki/Q1370241","display_name":"Interactive kiosk","level":2,"score":0.7419173121452332},{"id":"https://openalex.org/C207347870","wikidata":"https://www.wikidata.org/wiki/Q371174","display_name":"Gesture","level":2,"score":0.6861786842346191},{"id":"https://openalex.org/C159437735","wikidata":"https://www.wikidata.org/wiki/Q1519524","display_name":"Gesture recognition","level":3,"score":0.5989893078804016},{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.5956790447235107},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.5833945870399475},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.43414193391799927},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.4315830171108246},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23442548513412476},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.11002030968666077},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.09951743483543396}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3089940","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3089940","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:06a84e08590145e588e9cca0c0b47ce2","is_oa":true,"landing_page_url":"https://doaj.org/article/06a84e08590145e588e9cca0c0b47ce2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 90185-90194 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3089940","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3089940","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3375535518","display_name":"Instituto de Telecomunica\u00e7\u00f5es","funder_award_id":"UIDB/50008/2020","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"}],"funders":[{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1543761991","https://openalex.org/W1965599813","https://openalex.org/W1969227614","https://openalex.org/W2050564034","https://openalex.org/W2065035327","https://openalex.org/W2093536770","https://openalex.org/W2109747901","https://openalex.org/W2119724661","https://openalex.org/W2139798167","https://openalex.org/W2158728101","https://openalex.org/W2168392347","https://openalex.org/W2200418153","https://openalex.org/W2214145768","https://openalex.org/W2231075378","https://openalex.org/W2417491529","https://openalex.org/W2523912365","https://openalex.org/W2572398948","https://openalex.org/W2592803745","https://openalex.org/W2611921469","https://openalex.org/W2765101846","https://openalex.org/W2810768423","https://openalex.org/W2896798449","https://openalex.org/W2914243483","https://openalex.org/W2918549176","https://openalex.org/W2944052313","https://openalex.org/W2946885997","https://openalex.org/W2964260749","https://openalex.org/W2964326329","https://openalex.org/W2967828627","https://openalex.org/W2968303571","https://openalex.org/W2990018932","https://openalex.org/W2995195933","https://openalex.org/W3014328446","https://openalex.org/W3021998000","https://openalex.org/W3048186273","https://openalex.org/W3082948346","https://openalex.org/W3090740166","https://openalex.org/W4229885913","https://openalex.org/W4238387563","https://openalex.org/W6666666660","https://openalex.org/W6759341229","https://openalex.org/W7018284515"],"related_works":["https://openalex.org/W1979435510","https://openalex.org/W2137834564","https://openalex.org/W2902873204","https://openalex.org/W2185750513","https://openalex.org/W2010878661","https://openalex.org/W3147379364","https://openalex.org/W2026258298","https://openalex.org/W3204639664","https://openalex.org/W2970836791","https://openalex.org/W2989699735"],"abstract_inverted_index":{"In":[0],"the":[1,10,42,46,50,73,76,91,99,104,154,187,198,215,224],"last":[2],"decade,":[3],"we":[4,101,111],"have":[5,79,143,221],"seen":[6],"an":[7],"increase":[8],"in":[9,15,45,108],"use":[11],"of":[12,52,87,160,182,229],"digital":[13,27,88,105,117],"technologies":[14],"our":[16],"daily":[17],"lives,":[18],"including":[19],"advanced":[20],"systems":[21,57],"such":[22,40,64],"as":[23,41],"mobile":[24],"applications,":[25],"smart":[26],"kiosks":[28],"for":[29,34,116,200],"intelligent":[30],"retailing,":[31],"touch":[32],"screens":[33],"ordering":[35],"food,":[36],"or":[37,75],"simple":[38],"implementations":[39],"ticket":[43],"machines":[44],"butchers.":[47],"However,":[48],"from":[49,59,190],"perspective":[51],"interaction":[53,118,247],"design,":[54],"those":[55],"sensing":[56],"suffer":[58],"several":[60],"constraints":[61],"and":[62,68,130,237],"limitations":[63],"as,":[65],"low":[66],"usability":[67],"poor":[69],"hygiene.":[70],"For":[71],"example,":[72],"elderly":[74],"disabled":[77],"normally":[78],"huge":[80],"difficulties":[81],"when":[82],"interacting":[83],"with":[84,103,176,214,249],"these":[85],"types":[86],"systems.":[89],"Moreover,":[90,157],"recent":[92],"SARS-CoV-2":[93],"pandemic":[94],"has":[95,164,239],"made":[96],"us":[97],"rethink":[98],"way":[100],"interact":[102,213],"devices.":[106],"Hence,":[107],"this":[109],"paper,":[110],"present":[112],"a":[113,120,145,158,178,191,231,240,250],"novel":[114],"solution":[115],"through":[119],"contactless":[121,140,232],"model.":[122],"This":[123,172,203],"system":[124,173,226],"can":[125,133],"provide":[126],"human":[127,192],"gesture":[128,201],"recognition":[129],"therefore":[131],"it":[132],"be":[134,207],"integrated":[135],"into":[136,209],"others":[137],"to":[138,152,168,185,196,212,243],"achieve":[139],"control.":[141],"We":[142],"implemented":[144],"prototype":[146],"based":[147],"on":[148],"cost":[149],"efficient":[150],"sensors":[151,184],"validate":[153],"idea's":[155],"feasibility.":[156],"sequence":[159],"real":[161],"world":[162],"experiments":[163],"also":[165,238],"been":[166],"conducted":[167],"evaluate":[169],"its":[170],"performance.":[171],"is":[174,227],"composed":[175],"1)":[177],"3d":[179],"printed":[180],"grid":[181],"ultrasound":[183],"capture":[186],"distance":[188],"information":[189],"body;":[193],"2)":[194],"software":[195],"analyse":[197],"data":[199],"predictions.":[202],"analysis":[204],"results":[205,220],"will":[206],"transformed":[208],"control":[210,252],"commands":[211],"attached":[216],"system.":[217],"The":[218],"experimental":[219],"shown":[222],"that":[223],"proposed":[225],"capable":[228],"providing":[230],"Human":[233],"Computer":[234],"Interaction":[235],"(HCI),":[236],"great":[241],"opportunity":[242],"replace":[244],"existing":[245],"touching":[246],"manner":[248],"remote":[251],"scheme.":[253]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}