{"id":"https://openalex.org/W4206418347","doi":"https://doi.org/10.1109/ipin51156.2021.9662544","title":"Transfer Learning for Convolutional Indoor Positioning Systems","display_name":"Transfer Learning for Convolutional Indoor Positioning Systems","publication_year":2021,"publication_date":"2021-11-29","ids":{"openalex":"https://openalex.org/W4206418347","doi":"https://doi.org/10.1109/ipin51156.2021.9662544"},"language":"en","primary_location":{"id":"doi:10.1109/ipin51156.2021.9662544","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin51156.2021.9662544","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/6451962","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074836816","display_name":"Roman Klus","orcid":"https://orcid.org/0000-0002-0641-5931"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Roman Klus","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081121079","display_name":"Lucie Klus","orcid":"https://orcid.org/0000-0003-0354-9421"},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]},{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["ES","FI"],"is_corresponding":false,"raw_author_name":"Lucie Klus","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]},{"raw_affiliation_string":"Institute of New Imaging Technologies, Universitat Jaume I, Castell\u00f3n, Spain","institution_ids":["https://openalex.org/I10902133"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044609448","display_name":"Jukka Talvitie","orcid":"https://orcid.org/0000-0001-7685-7666"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jukka Talvitie","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048047121","display_name":"Jaakko Pihlajasalo","orcid":"https://orcid.org/0000-0003-0734-3607"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jaakko Pihlajasalo","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059422222","display_name":"Joaqu\u00edn Torres-Sospedra","orcid":"https://orcid.org/0000-0003-4338-4334"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Joaquin Torres-Sospedra","raw_affiliation_strings":["UBIK Geospatial Solutions S.L., Castell\u00f3n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UBIK Geospatial Solutions S.L., Castell\u00f3n, Spain","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054197935","display_name":"Mikko Valkama","orcid":"https://orcid.org/0000-0003-0361-0800"},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mikko Valkama","raw_affiliation_strings":["Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland","institution_ids":["https://openalex.org/I166825849"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10860","display_name":"Speech and Audio Processing","score":0.9911999702453613,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9887999892234802,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.84024977684021},{"id":"https://openalex.org/keywords/rss","display_name":"RSS","score":0.7601062655448914},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.736114501953125},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6761986613273621},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6720316410064697},{"id":"https://openalex.org/keywords/transfer-of-learning","display_name":"Transfer of learning","score":0.6367857456207275},{"id":"https://openalex.org/keywords/outlier","display_name":"Outlier","score":0.597750723361969},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5095565319061279},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5040746927261353},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.40673747658729553},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.39886778593063354},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.36478132009506226}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.84024977684021},{"id":"https://openalex.org/C2385561","wikidata":"https://www.wikidata.org/wiki/Q45432","display_name":"RSS","level":2,"score":0.7601062655448914},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.736114501953125},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6761986613273621},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6720316410064697},{"id":"https://openalex.org/C150899416","wikidata":"https://www.wikidata.org/wiki/Q1820378","display_name":"Transfer of learning","level":2,"score":0.6367857456207275},{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.597750723361969},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5095565319061279},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5040746927261353},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.40673747658729553},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.39886778593063354},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.36478132009506226},{"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/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/ipin51156.2021.9662544","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin51156.2021.9662544","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"},{"id":"pmh:oai:zenodo.org:6451962","is_oa":true,"landing_page_url":"https://zenodo.org/record/6451962","pdf_url":"https://zenodo.org/record/6451962","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"},{"id":"pmh:oai:repositori.uji.es:10234/197333","is_oa":false,"landing_page_url":"http://hdl.handle.net/10234/197333","pdf_url":null,"source":{"id":"https://openalex.org/S4306400303","display_name":"Repositori UJI (Universitat Jaume I)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I10902133","host_organization_name":"Universitat Jaume I","host_organization_lineage":["https://openalex.org/I10902133"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:trepo.tuni.fi:10024/219933","is_oa":false,"landing_page_url":"https://trepo.tuni.fi/handle/10024/219933","pdf_url":null,"source":{"id":"https://openalex.org/S7407055260","display_name":"Trepo - Institutional Repository of Tampere University","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:6451962","is_oa":true,"landing_page_url":"https://zenodo.org/record/6451962","pdf_url":"https://zenodo.org/record/6451962","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6216827037","display_name":null,"funder_award_id":"PTQ2018-009981","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G6608936214","display_name":"A network for dynamic WEarable Applications with pRivacy constraints","funder_award_id":"813278","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G6889817175","display_name":"INterfacing CArbon-based NAnomaterials to neurons: toward new horizons in cellular NEuroProsthetics","funder_award_id":"328214","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"},{"id":"https://openalex.org/F4320322930","display_name":"Ministerio de Ciencia e Innovaci\u00f3n","ror":"https://ror.org/034900433"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4206418347.pdf"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1630879738","https://openalex.org/W1637458466","https://openalex.org/W1825073837","https://openalex.org/W2107298017","https://openalex.org/W2126714444","https://openalex.org/W2162056146","https://openalex.org/W2163314541","https://openalex.org/W2228705210","https://openalex.org/W2395579298","https://openalex.org/W2515976631","https://openalex.org/W2562522049","https://openalex.org/W2762342550","https://openalex.org/W2787516708","https://openalex.org/W2900991556","https://openalex.org/W2901531104","https://openalex.org/W2964029185","https://openalex.org/W2989963497","https://openalex.org/W2991221840","https://openalex.org/W2991429267","https://openalex.org/W3035328184","https://openalex.org/W3039220288","https://openalex.org/W3039795369","https://openalex.org/W3067373627","https://openalex.org/W3093464164","https://openalex.org/W3093709762","https://openalex.org/W3099682841","https://openalex.org/W3111367006","https://openalex.org/W3164026182","https://openalex.org/W3208896133","https://openalex.org/W3209013322","https://openalex.org/W4393416021","https://openalex.org/W6638282123","https://openalex.org/W6676215431","https://openalex.org/W6770968327","https://openalex.org/W6802868019"],"related_works":["https://openalex.org/W3183901164","https://openalex.org/W2538316715","https://openalex.org/W3135818718","https://openalex.org/W4290188444","https://openalex.org/W3167935049","https://openalex.org/W3003905048","https://openalex.org/W2095730207","https://openalex.org/W2253429366","https://openalex.org/W3127975138","https://openalex.org/W2383599958"],"abstract_inverted_index":{"Fingerprinting":[0],"is":[1,17,67,129],"a":[2,29,50,70,89,94,111],"widely":[3],"used":[4,18],"technique":[5,16],"in":[6,76,122],"indoor":[7,60,106],"positioning,":[8],"mainly":[9],"due":[10],"to":[11,44,54,109,132,150,153],"its":[12],"simplicity.":[13],"Usually,":[14],"this":[15,85],"with":[19],"the":[20,40,45,63,80,119,123,135,141,145,154,159],"deterministic":[21],"k":[22],"-":[23],"Nearest":[24],"Neighbors":[25],"(k-NN)":[26],"algorithm.":[27],"Utilizing":[28],"neural":[30,81,114],"network":[31,82,115],"model":[32,128,156],"for":[33],"fingerprinting":[34],"positioning":[35,61,107,146],"purposes":[36],"can":[37],"greatly":[38],"improve":[39],"prediction":[41],"speed":[42],"compared":[43,152],"k-NN":[46],"approach,":[47,97],"but":[48],"requires":[49],"voluminous":[51],"training":[52],"dataset":[53],"achieve":[55],"comparable":[56],"performance.":[57],"In":[58,84],"many":[59],"datasets,":[62,108],"number":[64,160],"of":[65,72,79,161],"samples":[66,100],"only":[68],"at":[69],"level":[71],"hundreds,":[73],"which":[74,98,117],"results":[75],"poor":[77],"performance":[78],"solution.":[83],"work,":[86],"we":[87],"develop":[88],"novel":[90],"algorithm":[91],"based":[92],"on":[93],"transfer":[95],"learning":[96],"combines":[99],"from":[101],"15":[102],"different":[103],"Wi-Fi":[104],"RSS":[105],"train":[110],"single":[112],"convolutional":[113],"model,":[116],"learns":[118],"common":[120],"patterns":[121],"combined":[124],"data.":[125],"The":[126],"proposed":[127,142],"then":[130],"fine-tuned":[131],"optimally":[133],"fit":[134],"individual":[136],"databases.":[137],"We":[138],"show":[139],"that":[140],"solution":[143],"reduces":[144],"error":[147],"by":[148],"up":[149],"25%":[151],"benchmark":[155],"while":[157],"reducing":[158],"outlier":[162],"predictions.":[163]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":6}],"updated_date":"2026-07-20T07:56:41.581041","created_date":"2025-10-10T00:00:00"}