{"id":"https://openalex.org/W2972488529","doi":"https://doi.org/10.1145/3351257","title":"DeepNavi","display_name":"DeepNavi","publication_year":2019,"publication_date":"2019-09-09","ids":{"openalex":"https://openalex.org/W2972488529","doi":"https://doi.org/10.1145/3351257","mag":"2972488529"},"language":"en","primary_location":{"id":"doi:10.1145/3351257","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3351257","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-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/A5026492466","display_name":"Qun Niu","orcid":"https://orcid.org/0000-0002-5048-060X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qun Niu","raw_affiliation_strings":["Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115597119","display_name":"Ning Liu","orcid":"https://orcid.org/0000-0003-0884-0058"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Liu","raw_affiliation_strings":["Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015564916","display_name":"Jianjun Huang","orcid":"https://orcid.org/0000-0001-7040-3591"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianjun Huang","raw_affiliation_strings":["Sun Yat-sen University"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017035986","display_name":"Yangze Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangze Luo","raw_affiliation_strings":["Sun Yat-sen University"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070251006","display_name":"Suining He","orcid":"https://orcid.org/0000-0003-1913-6808"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Suining He","raw_affiliation_strings":["The Hong Kong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009461324","display_name":"Tao He","orcid":"https://orcid.org/0000-0002-5715-5578"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao He","raw_affiliation_strings":["Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University and Guangdong Key Laboratory of Information Security Technology","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003418485","display_name":"S.-H. Gary Chan","orcid":"https://orcid.org/0000-0003-4207-764X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"S.-H. Gary Chan","raw_affiliation_strings":["The Hong Kong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100426931","display_name":"Xiaonan Luo","orcid":"https://orcid.org/0000-0002-0751-5045"},"institutions":[{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaonan Luo","raw_affiliation_strings":["Guilin University of Electronic Technology"],"affiliations":[{"raw_affiliation_string":"Guilin University of Electronic Technology","institution_ids":["https://openalex.org/I5343935"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5026492466"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":0.8346,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.74232236,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"3","issue":"3","first_page":"1","last_page":"24"},"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":0.9984999895095825,"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":0.9915000200271606,"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":0.8059561848640442},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.7561907172203064},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5317472219467163},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5211793780326843},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.49268752336502075},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4651188850402832},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.4383540749549866},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.43769723176956177},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.40923142433166504},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3428037464618683},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.32558315992355347},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3219723701477051},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08947968482971191}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8059561848640442},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.7561907172203064},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5317472219467163},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5211793780326843},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.49268752336502075},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4651188850402832},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4383540749549866},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.43769723176956177},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.40923142433166504},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3428037464618683},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.32558315992355347},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3219723701477051},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08947968482971191},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3351257","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3351257","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},{"id":"pmh:oai:repository.ust.hk:1783.1-101966","is_oa":false,"landing_page_url":"http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=&rft.volume=3&rft.issue=3&rft.date=2019&rft.spage=99&rft.aulast=Niu&rft.aufirst=Qun&rft.atitle=DeepNavi%3A+A+Deep+Signal-Fusion+Framework+for+Accurate+and+Applicable+Indoor+Navigation&rft.title=Proceedings+of+the+ACM+on+Interactive%2C+Mobile%2C+Wearable+and+Ubiquitous+Technologies+%28IMWUT%29","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4019199582","display_name":null,"funder_award_id":"AA18118039","funder_id":"https://openalex.org/F4320336643","funder_display_name":"Guangxi Innovation-Driven Development Project"}],"funders":[{"id":"https://openalex.org/F4320336643","display_name":"Guangxi Innovation-Driven Development Project","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1579853615","https://openalex.org/W1847088711","https://openalex.org/W1947853012","https://openalex.org/W1992989752","https://openalex.org/W2033819227","https://openalex.org/W2048332266","https://openalex.org/W2053245144","https://openalex.org/W2064675550","https://openalex.org/W2097117768","https://openalex.org/W2170102584","https://openalex.org/W2194775991","https://openalex.org/W2200124539","https://openalex.org/W2298113822","https://openalex.org/W2336558231","https://openalex.org/W2560321925","https://openalex.org/W2584731199","https://openalex.org/W2592822098","https://openalex.org/W2611946954","https://openalex.org/W2613743327","https://openalex.org/W2623188843","https://openalex.org/W2744660192","https://openalex.org/W2749379418","https://openalex.org/W2757532152","https://openalex.org/W2763565886","https://openalex.org/W2775147633","https://openalex.org/W2782742784","https://openalex.org/W2783998087","https://openalex.org/W2792370808","https://openalex.org/W2794857086","https://openalex.org/W2795232814","https://openalex.org/W2795576351","https://openalex.org/W2797480241","https://openalex.org/W2805440904","https://openalex.org/W2805592233","https://openalex.org/W2839170054","https://openalex.org/W2865103122","https://openalex.org/W2865154361","https://openalex.org/W2884692898","https://openalex.org/W2886826522","https://openalex.org/W2888465049","https://openalex.org/W2889049333","https://openalex.org/W2889744664","https://openalex.org/W2891066506","https://openalex.org/W2891511203","https://openalex.org/W2891616363","https://openalex.org/W2891756902","https://openalex.org/W2905374764","https://openalex.org/W2905834117","https://openalex.org/W2906226899","https://openalex.org/W2909942019","https://openalex.org/W2917805266","https://openalex.org/W2918130261","https://openalex.org/W2962883549","https://openalex.org/W2963024893","https://openalex.org/W3098143411","https://openalex.org/W4289305285"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4312814274","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W2353836703"],"abstract_inverted_index":{"Indoor":[0],"navigation":[1,12,51,79,92],"plays":[2],"a":[3,74,86,125],"crucial":[4],"role":[5],"in":[6,61,78,93,181],"indoor":[7,91],"location-based":[8],"services.":[9],"Single":[10],"signal-based":[11],"systems,":[13],"however,":[14],"are":[15,23,45,58],"prone":[16],"to":[17,25,47,73,119,124,136,163],"sensor":[18],"noises,":[19],"signal":[20,151,188],"ambiguities":[21],"and":[22,50,57,153,169,177],"specific":[24,46],"trial":[26,184],"sites.":[27,63],"To":[28],"address":[29],"these,":[30],"existing":[31],"work":[32],"fuses":[33],"different":[34,97,183,187],"signals":[35,49],"with":[36,96,186,202],"user":[37],"trajectories.":[38],"Despite":[39],"their":[40],"accuracy,":[41],"many":[42],"of":[43,76,150],"them":[44,143],"input":[48],"modes":[52,95],"(e.g.,":[53],"spot-based":[54],"or":[55,105],"sequence-based)":[56],"computationally":[59],"expensive":[60],"large":[62],"Additionally,":[64],"they":[65],"do":[66],"not":[67],"give":[68],"predictive":[69,139],"uncertainty":[70,171],"estimations,":[71],"leading":[72],"lack":[75],"trust":[77],"instructions.":[80],"In":[81],"this":[82],"paper,":[83],"we":[84,114,131,145,158],"propose":[85],"unified":[87],"framework":[88],"for":[89,109],"accurate":[90],"various":[94],"inputs,":[98],"termed":[99],"DeepNavi.":[100],"We":[101,173],"exploit":[102],"either":[103],"convolutional":[104],"recurrent":[106],"neural":[107],"networks":[108,162],"initial":[110],"feature":[111],"extraction.":[112],"Afterwards,":[113],"insert":[115,159],"fully":[116],"connected":[117],"layers":[118],"generalize":[120],"extracted":[121],"signal-dependent":[122],"features":[123],"shared":[126],"domain":[127],"before":[128],"fusion.":[129],"Then,":[130],"leverage":[132],"state-of-the-art":[133],"ensemble":[134],"learning":[135],"learn":[137],"multiple":[138],"models.":[140],"By":[141],"combining":[142],"together,":[144],"further":[146],"reduce":[147],"the":[148],"impact":[149],"noises":[152],"achieve":[154],"high":[155],"accuracy.":[156,205],"Finally,":[157],"mixture":[160],"density":[161],"model":[164],"more":[165,199],"generalized":[166],"data":[167],"distributions":[168],"provide":[170],"estimations.":[172],"have":[174],"implemented":[175],"DeepNavi":[176,194],"conducted":[178],"extensive":[179],"experiments":[180],"two":[182],"sites":[185],"combinations.":[189],"Experimental":[190],"results":[191],"show":[192],"that":[193],"reduces":[195],"location":[196],"errors":[197],"by":[198],"than":[200],"20%":[201],"comparable":[203],"orientation":[204]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2019-09-19T00:00:00"}
