{"id":"https://openalex.org/W2553223022","doi":"https://doi.org/10.1109/ipin.2016.7743680","title":"A motion tracking solution for indoor localization using smartphones","display_name":"A motion tracking solution for indoor localization using smartphones","publication_year":2016,"publication_date":"2016-10-01","ids":{"openalex":"https://openalex.org/W2553223022","doi":"https://doi.org/10.1109/ipin.2016.7743680","mag":"2553223022"},"language":"en","primary_location":{"id":"doi:10.1109/ipin.2016.7743680","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin.2016.7743680","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","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/A5047533280","display_name":"V\u00e2nia Guimar\ufffd\u00e3es","orcid":"https://orcid.org/0000-0001-8133-0789"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Vania Guimaraes","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008586874","display_name":"Lourenco Castro","orcid":null},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Lourenco Castro","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033101804","display_name":"Susana Carneiro","orcid":"https://orcid.org/0000-0002-4922-3278"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Susana Carneiro","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073653761","display_name":"Manuel Monteiro","orcid":null},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Manuel Monteiro","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079529558","display_name":"Tiago Rocha","orcid":"https://orcid.org/0000-0002-2364-0196"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Tiago Rocha","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061814910","display_name":"Mar\u00edlia Barandas","orcid":"https://orcid.org/0000-0002-9445-4809"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Marilia Barandas","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112231153","display_name":"Jo\u00e3o Machado","orcid":null},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Joao Machado","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033364047","display_name":"Maria Jo\u00e3o M. Vasconcelos","orcid":"https://orcid.org/0000-0002-0634-7852"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Maria Vasconcelos","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038205194","display_name":"Hugo Gamb\u00f4a","orcid":"https://orcid.org/0000-0002-4022-7424"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Hugo Gamboa","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","Physics Department, FCT-UNL, Caparica, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]},{"raw_affiliation_string":"Physics Department, FCT-UNL, Caparica, Portugal","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063155972","display_name":"Dirk Elias","orcid":"https://orcid.org/0000-0002-8861-5688"},"institutions":[{"id":"https://openalex.org/I4210157425","display_name":"Fraunhofer Portugal Research","ror":"https://ror.org/05eqk2j25","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210157425","https://openalex.org/I4923324"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Dirk Elias","raw_affiliation_strings":["Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer Portugal Research Center for Assistive Information and Communication Solutions, Porto, Portugal","institution_ids":["https://openalex.org/I4210157425"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210157425"],"apc_list":null,"apc_paid":null,"fwci":2.7901,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.91273393,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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":0.9955000281333923,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.7686753273010254},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6765391230583191},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.6688016653060913},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.6195735335350037},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.556288480758667},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.4745110869407654},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4348805546760559},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4045621156692505},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1563837230205536}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7686753273010254},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6765391230583191},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.6688016653060913},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.6195735335350037},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.556288480758667},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.4745110869407654},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4348805546760559},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4045621156692505},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1563837230205536},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/ipin.2016.7743680","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipin.2016.7743680","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Conference on Indoor Positioning and Indoor Navigation (IPIN)","raw_type":"proceedings-article"},{"id":"pmh:oai:fraunhofer.de:N-444920","is_oa":false,"landing_page_url":"http://publica.fraunhofer.de/documents/N-444920.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400801","display_name":"Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fraunhofer AICOS","raw_type":"Conference Paper"},{"id":"pmh:oai:publica.fraunhofer.de:publica/397077","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/397077","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"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 paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6700000166893005,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W126341972","https://openalex.org/W155737335","https://openalex.org/W654236915","https://openalex.org/W658035357","https://openalex.org/W1599976967","https://openalex.org/W1618671149","https://openalex.org/W1947853012","https://openalex.org/W1991898702","https://openalex.org/W1993100747","https://openalex.org/W2004178924","https://openalex.org/W2006540669","https://openalex.org/W2011502582","https://openalex.org/W2024424426","https://openalex.org/W2034214983","https://openalex.org/W2034782889","https://openalex.org/W2040917758","https://openalex.org/W2050041763","https://openalex.org/W2062956715","https://openalex.org/W2074017997","https://openalex.org/W2085047125","https://openalex.org/W2100045669","https://openalex.org/W2105934661","https://openalex.org/W2111165378","https://openalex.org/W2117736292","https://openalex.org/W2118991694","https://openalex.org/W2155952367","https://openalex.org/W2161298139","https://openalex.org/W2170102584","https://openalex.org/W2290675698","https://openalex.org/W3210232381","https://openalex.org/W6605181109","https://openalex.org/W6621584176","https://openalex.org/W6803376173"],"related_works":["https://openalex.org/W3162200841","https://openalex.org/W3204225186","https://openalex.org/W2586280620","https://openalex.org/W2805505483","https://openalex.org/W253106158","https://openalex.org/W2384744344","https://openalex.org/W1799694159","https://openalex.org/W2393169196","https://openalex.org/W2366610330","https://openalex.org/W2158788032"],"abstract_inverted_index":{"As":[0],"sensor-rich":[1],"mobile":[2],"devices":[3],"became":[4],"a":[5,19,38,54,105,205],"commodity,":[6],"more":[7],"opportunities":[8],"appeared":[9],"for":[10,23,32,70,209],"the":[11,115,124,136,141,170,177,188,210],"creation":[12],"of":[13,85,122,129,179,190],"location-aware":[14],"services.":[15],"While":[16,169],"GPS":[17],"is":[18,27,45,62,131],"well":[20],"established":[21],"solution":[22,31,208],"outdoor":[24],"localization,":[25,181],"there":[26],"still":[28],"no":[29],"standard":[30],"localization":[33,91,159,212],"indoors.":[34],"This":[35],"paper":[36],"presents":[37],"novel":[39,118],"accurate":[40,71,90],"indoor":[41,180,211],"positioning":[42,80],"mechanism":[43,81],"that":[44,82,113],"meant":[46],"to":[47,52],"run":[48],"in":[49,74,151,176],"common":[50],"smartphones":[51],"be":[53,184],"readily":[55,185],"and":[56,98,119,126,153,164,201],"widely":[57],"available":[58],"solution.":[59],"The":[60,143],"system":[61,144],"based":[63,67],"on":[64],"multiple":[65,149],"gait-model":[66],"filtering":[68],"techniques":[69],"movement":[72,99],"quantification":[73],"combination":[75],"with":[76,104,140,198],"an":[77,89,199],"advanced":[78],"fused":[79],"leverages":[83],"sequences":[84],"opportunistic":[86,200],"observations":[87],"towards":[88],"process.":[92,142],"Magnetic":[93],"field":[94],"fluctuations,":[95],"Wi-Fi":[96],"readings":[97],"data":[100],"are":[101,173],"incrementally":[102],"matched":[103],"feature":[106],"spot":[107],"map":[108],"containing":[109],"multi-dimensional":[110],"spatially-related":[111],"features":[112],"characterize":[114],"building.":[116],"A":[117],"convenient":[120],"way":[121],"mapping":[123],"architectural":[125],"environmental":[127],"properties":[128],"buildings":[130],"also":[132],"introduced,":[133],"which":[134],"avoids":[135],"burden":[137],"normally":[138],"associated":[139],"has":[145],"been":[146],"evaluated":[147],"by":[148],"users":[150],"open":[152],"crowded":[154],"spaces":[155],"where":[156],"overall":[157],"median":[158],"errors":[160,172],"between":[161],"1.11":[162],"m":[163,166],"1.68":[165],"were":[167],"obtained.":[168],"reported":[171],"already":[174],"satisfactory":[175],"context":[178],"improvements":[182],"may":[183],"achieved":[186],"through":[187],"inclusion":[189],"additional":[191],"reference":[192],"features.":[193],"High":[194],"accuracy":[195],"performance":[196],"coupled":[197],"infrastructure-free":[202],"approach":[203],"creates":[204],"very":[206],"desirable":[207],"market":[213],"doge.":[214]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":4}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
