{"id":"https://openalex.org/W3004520804","doi":"https://doi.org/10.1109/jiot.2020.2971318","title":"Personalized Stride-Length Estimation Based on Active Online Learning","display_name":"Personalized Stride-Length Estimation Based on Active Online Learning","publication_year":2020,"publication_date":"2020-02-04","ids":{"openalex":"https://openalex.org/W3004520804","doi":"https://doi.org/10.1109/jiot.2020.2971318","mag":"3004520804"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2020.2971318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2020.2971318","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","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/A5085403638","display_name":"Qu Wang","orcid":"https://orcid.org/0000-0001-6551-6807"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qu Wang","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6551-6807","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052635380","display_name":"Haiyong Luo","orcid":"https://orcid.org/0000-0001-6827-4225"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiyong Luo","raw_affiliation_strings":["Beijing Key Laboratory of Mobile Computing and Pervasive Device, Institute of Computing Technology Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6827-4225","affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Mobile Computing and Pervasive Device, Institute of Computing Technology Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023621528","display_name":"Langlang Ye","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Langlang Ye","raw_affiliation_strings":["Beijing Key Laboratory of Mobile Computing and Pervasive Device, Institute of Computing Technology Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Mobile Computing and Pervasive Device, Institute of Computing Technology Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072795322","display_name":"Aidong Men","orcid":"https://orcid.org/0000-0001-6168-9276"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Aidong Men","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100329778","display_name":"Fang Zhao","orcid":"https://orcid.org/0000-0002-4784-5778"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Zhao","raw_affiliation_strings":["School of Software Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Software Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012678483","display_name":"Yan Huang","orcid":"https://orcid.org/0000-0002-5548-2727"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Huang","raw_affiliation_strings":["School of Electronics Engineering and Computer Science, Peking University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019287385","display_name":"Changhai Ou","orcid":"https://orcid.org/0000-0001-9679-6223"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Changhai Ou","raw_affiliation_strings":["School of Computer Science and Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-9679-6223","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.7409,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.91899719,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"7","issue":"6","first_page":"4885","last_page":"4897"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9977999925613403,"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"}},"topics":[{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9977999925613403,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9966999888420105,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9965999722480774,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8044259548187256},{"id":"https://openalex.org/keywords/stride","display_name":"STRIDE","score":0.7456469535827637},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5156165957450867},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5023765563964844},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.46577805280685425},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.45219525694847107},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4134531021118164},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4019571542739868},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1829565167427063},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10709479451179504}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8044259548187256},{"id":"https://openalex.org/C18007350","wikidata":"https://www.wikidata.org/wiki/Q7394815","display_name":"STRIDE","level":2,"score":0.7456469535827637},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5156165957450867},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5023765563964844},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.46577805280685425},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.45219525694847107},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4134531021118164},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4019571542739868},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1829565167427063},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10709479451179504},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2020.2971318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2020.2971318","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1397008357","display_name":"\u5171\u751f\u8c03\u9891\u6570\u5b57\u5e7f\u64ad\u5317\u6597\u589e\u5f3a\u57fa\u7840\u7814\u7a76","funder_award_id":"61671264","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1776627184","display_name":"\u5927\u578b\u57ce\u533a\u590d\u6742\u73af\u5883\u5ba4\u5185\u5916\u65e0\u7f1d\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u7406\u8bba\u53ca\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61872046","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2361286530","display_name":null,"funder_award_id":"2019XD-A06","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G4063447774","display_name":"\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u591a\u6e90\u534f\u540c\u89c6\u89c9\u663e\u8457\u6027\u68c0\u6d4b\u6a21\u578b\u7814\u7a76","funder_award_id":"61671077","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6897331563","display_name":null,"funder_award_id":"2019PTB-011","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8112887106","display_name":"\u7164\u77ff\u4e95\u4e0b\u94fe\u72b6\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u540c\u6b65\u4e0e\u5b9a\u4f4d\u6280\u672f\u7814\u7a76","funder_award_id":"61761038","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8983418477","display_name":null,"funder_award_id":"2016YFB0502000","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321470","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1569179667","https://openalex.org/W1629619802","https://openalex.org/W1689711448","https://openalex.org/W1974672376","https://openalex.org/W1991133427","https://openalex.org/W2058042869","https://openalex.org/W2069725995","https://openalex.org/W2106226434","https://openalex.org/W2109766708","https://openalex.org/W2111662995","https://openalex.org/W2128416094","https://openalex.org/W2149115530","https://openalex.org/W2150621701","https://openalex.org/W2156906075","https://openalex.org/W2189013455","https://openalex.org/W2516360951","https://openalex.org/W2520323573","https://openalex.org/W2597410989","https://openalex.org/W2600854517","https://openalex.org/W2770420323","https://openalex.org/W2775869941","https://openalex.org/W2779222798","https://openalex.org/W2794245731","https://openalex.org/W2795615756","https://openalex.org/W2799542324","https://openalex.org/W2884968643","https://openalex.org/W2886988640","https://openalex.org/W2889707414","https://openalex.org/W2894555786","https://openalex.org/W2895879514","https://openalex.org/W2897182409","https://openalex.org/W2912791673","https://openalex.org/W2916712302","https://openalex.org/W2944417826","https://openalex.org/W2945555875","https://openalex.org/W2984573846","https://openalex.org/W3101801952","https://openalex.org/W4244999064","https://openalex.org/W6637409405","https://openalex.org/W6676651424"],"related_works":["https://openalex.org/W2347597433","https://openalex.org/W2389023277","https://openalex.org/W2562411628","https://openalex.org/W3034772098","https://openalex.org/W2100563491","https://openalex.org/W2124672917","https://openalex.org/W4289821489","https://openalex.org/W4297820790","https://openalex.org/W2333025614","https://openalex.org/W2388211622"],"abstract_inverted_index":{"The":[0,63,139,163],"ability":[1],"to":[2,68,86,106,127,147,158],"accurately":[3],"estimate":[4],"a":[5,10,18,53,99,129,133,143,178,182,189],"user's":[6],"stride":[7,109],"length":[8],"plays":[9],"great":[11],"important":[12],"role":[13],"in":[14,43,92],"various":[15],"applications.":[16],"For":[17],"new":[19],"target":[20,135],"pedestrian":[21,136],"or":[22,137],"device,":[23],"their":[24],"heterogeneity":[25],"dramatically":[26],"reduces":[27],"the":[28,31,39,77,89,103,107,113,160,169],"performance":[29],"of":[30,41,186,192],"current":[32],"stride-length":[33,161,183],"estimation":[34],"(SLE)":[35],"methods.":[36],"To":[37,111],"address":[38],"issue":[40],"heterogeneity,":[42,114],"this":[44],"article,":[45],"we":[46,115],"propose":[47,116],"an":[48,117],"SLE":[49],"method":[50,171],"based":[51,122],"on":[52,123],"long":[54],"short-term":[55],"memory":[56],"(LSTM)":[57],"network":[58,65],"and":[59,72,94,153,176],"denoising":[60],"autoencoders":[61],"(DAEs).":[62],"LSTM":[64],"is":[66],"used":[67],"mine":[69],"temporal":[70],"dependencies":[71],"extract":[73],"significant":[74],"eigenvectors":[75,93,105],"from":[76],"corrupted":[78],"inertial":[79],"sensor":[80],"observations.":[81],"Then,":[82],"DAEs":[83],"are":[84],"adopted":[85],"automatically":[87,148],"eliminate":[88],"inherent":[90],"noise":[91],"obtain":[95],"denoised":[96,104],"eigenvectors.":[97],"Finally,":[98],"regression":[100],"module":[101],"maps":[102],"resulting":[108],"length.":[110],"mitigate":[112],"unperceived":[118],"model":[119,131],"updating":[120],"framework":[121,141],"active":[124],"online":[125,155],"learning":[126,156],"establish":[128],"personalized":[130,150],"for":[132],"given":[134],"device.":[138],"proposed":[140,170],"utilizes":[142,154],"magnetism-aided":[144],"map-matching":[145],"approach":[146],"generate":[149],"training":[151],"data":[152],"technologies":[157],"evolve":[159],"model.":[162],"extensive":[164],"experimental":[165],"results":[166],"demonstrate":[167],"that":[168],"outperforms":[172],"other":[173],"state-of-the-art":[174],"algorithms":[175],"achieves":[177],"promising":[179],"accuracy":[180],"with":[181],"error":[184],"rate":[185],"4.59%":[187],"at":[188],"confidence":[190],"level":[191],"80%.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}