{"id":"https://openalex.org/W2021946456","doi":"https://doi.org/10.1109/jbhi.2015.2418256","title":"Personalization of Energy Expenditure Estimation in Free Living Using Topic Models","display_name":"Personalization of Energy Expenditure Estimation in Free Living Using Topic Models","publication_year":2015,"publication_date":"2015-04-01","ids":{"openalex":"https://openalex.org/W2021946456","doi":"https://doi.org/10.1109/jbhi.2015.2418256","mag":"2021946456","pmid":"https://pubmed.ncbi.nlm.nih.gov/25838531"},"language":"en","primary_location":{"id":"doi:10.1109/jbhi.2015.2418256","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jbhi.2015.2418256","pdf_url":null,"source":{"id":"https://openalex.org/S2495854775","display_name":"IEEE Journal of Biomedical and Health Informatics","issn_l":"2168-2194","issn":["2168-2194","2168-2208"],"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 Journal of Biomedical and Health Informatics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5047973186","display_name":"Marco Altini","orcid":"https://orcid.org/0000-0001-5981-4066"},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Marco Altini","raw_affiliation_strings":["Bloom Technologies, Diepenbeek, Belgium","Eindhoven University of Technology, Eindhoven, AZ, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bloom Technologies, Diepenbeek, Belgium","institution_ids":[]},{"raw_affiliation_string":"Eindhoven University of Technology, Eindhoven, AZ, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068231108","display_name":"Pierluigi Casale","orcid":null},"institutions":[{"id":"https://openalex.org/I196972281","display_name":"Imec the Netherlands","ror":"https://ror.org/01ezq2j76","country_code":"NL","type":"facility","lineage":["https://openalex.org/I196972281"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Pierluigi Casale","raw_affiliation_strings":["IMEC-NL, Eindhoven, AE, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IMEC-NL, Eindhoven, AE, The Netherlands","institution_ids":["https://openalex.org/I196972281"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113580176","display_name":"Julien Penders","orcid":null},"institutions":[{"id":"https://openalex.org/I196972281","display_name":"Imec the Netherlands","ror":"https://ror.org/01ezq2j76","country_code":"NL","type":"facility","lineage":["https://openalex.org/I196972281"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Julien F. Penders","raw_affiliation_strings":["IMEC-NL, Eindhoven, AE, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IMEC-NL, Eindhoven, AE, The Netherlands","institution_ids":["https://openalex.org/I196972281"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064135418","display_name":"Oliver Amft","orcid":"https://orcid.org/0000-0001-6811-3659"},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]},{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["DE","NL"],"is_corresponding":false,"raw_author_name":"Oliver Amft","raw_affiliation_strings":["Eindhoven University of Technology, Eindhoven, AZ, The Netherlands","University of Passau, Passau, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Eindhoven University of Technology, Eindhoven, AZ, The Netherlands","institution_ids":["https://openalex.org/I83019370"]},{"raw_affiliation_string":"University of Passau, Passau, Germany","institution_ids":["https://openalex.org/I186354981"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7524,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.7218141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"19","issue":"5","first_page":"1577","last_page":"1586"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10352","display_name":"Physical Activity and Health","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10352","display_name":"Physical Activity and Health","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11446","display_name":"Mobile Health and mHealth Applications","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9950000047683716,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/normalization","display_name":"Normalization (sociology)","score":0.9149827361106873},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5725603103637695},{"id":"https://openalex.org/keywords/regression-analysis","display_name":"Regression analysis","score":0.5262167453765869},{"id":"https://openalex.org/keywords/regression","display_name":"Regression","score":0.5219449400901794},{"id":"https://openalex.org/keywords/personalization","display_name":"Personalization","score":0.5172720551490784},{"id":"https://openalex.org/keywords/linear-regression","display_name":"Linear regression","score":0.4616369903087616},{"id":"https://openalex.org/keywords/energy-expenditure","display_name":"Energy expenditure","score":0.45181208848953247},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.44553402066230774},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.43089133501052856},{"id":"https://openalex.org/keywords/word-error-rate","display_name":"Word error rate","score":0.4168481230735779},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37603312730789185},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3022195100784302},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2354632318019867},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.15112942457199097}],"concepts":[{"id":"https://openalex.org/C136886441","wikidata":"https://www.wikidata.org/wiki/Q926129","display_name":"Normalization (sociology)","level":2,"score":0.9149827361106873},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5725603103637695},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.5262167453765869},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.5219449400901794},{"id":"https://openalex.org/C183003079","wikidata":"https://www.wikidata.org/wiki/Q1000371","display_name":"Personalization","level":2,"score":0.5172720551490784},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.4616369903087616},{"id":"https://openalex.org/C2988147884","wikidata":"https://www.wikidata.org/wiki/Q5377024","display_name":"Energy expenditure","level":2,"score":0.45181208848953247},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.44553402066230774},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.43089133501052856},{"id":"https://openalex.org/C40969351","wikidata":"https://www.wikidata.org/wiki/Q3516228","display_name":"Word error rate","level":2,"score":0.4168481230735779},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37603312730789185},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3022195100784302},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2354632318019867},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.15112942457199097},{"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/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004734","descriptor_name":"Energy Metabolism","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D004734","descriptor_name":"Energy Metabolism","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D004734","descriptor_name":"Energy Metabolism","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/jbhi.2015.2418256","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jbhi.2015.2418256","pdf_url":null,"source":{"id":"https://openalex.org/S2495854775","display_name":"IEEE Journal of Biomedical and Health Informatics","issn_l":"2168-2194","issn":["2168-2194","2168-2208"],"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 Journal of Biomedical and Health Informatics","raw_type":"journal-article"},{"id":"pmid:25838531","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25838531","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE journal of biomedical and health informatics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W156495300","https://openalex.org/W1509818253","https://openalex.org/W1543676750","https://openalex.org/W1880262756","https://openalex.org/W1978873660","https://openalex.org/W1990776473","https://openalex.org/W2016395102","https://openalex.org/W2016893510","https://openalex.org/W2017298478","https://openalex.org/W2029432243","https://openalex.org/W2040281761","https://openalex.org/W2041811148","https://openalex.org/W2046498081","https://openalex.org/W2064947802","https://openalex.org/W2065377245","https://openalex.org/W2069889533","https://openalex.org/W2099336098","https://openalex.org/W2104265139","https://openalex.org/W2114197914","https://openalex.org/W2138572279","https://openalex.org/W2140251882","https://openalex.org/W2146609676","https://openalex.org/W2159029194","https://openalex.org/W2169814190","https://openalex.org/W2171367969","https://openalex.org/W2257955932","https://openalex.org/W6632346372","https://openalex.org/W6639619044"],"related_works":["https://openalex.org/W2765080098","https://openalex.org/W2385749422","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W3023105672","https://openalex.org/W2009888974","https://openalex.org/W2355539379","https://openalex.org/W2884413333","https://openalex.org/W2120846697","https://openalex.org/W4235557"],"abstract_inverted_index":{"We":[0],"introduce":[1],"an":[2],"approach":[3,107],"to":[4,18,41,52,56,67,79,139],"personalize":[5],"energy":[6],"expenditure":[7],"(EE)":[8],"estimates":[9],"in":[10,29,75,94,103,132,183],"free":[11,104],"living.":[12],"First,":[13],"we":[14,34,127],"use":[15],"topic":[16],"models":[17,78],"discover":[19],"activity":[20,24,36,146],"composites":[21,37,47],"from":[22,92,166,172],"recognized":[23],"primitives":[25,147],"and":[26,50,119,142,151,162,169],"stay":[27],"regions":[28],"daily":[30],"living":[31],"data.":[32],"Subsequently,":[33],"determine":[35],"that":[38,129],"are":[39],"relevant":[40],"contextualize":[42],"heart":[43],"rate":[44],"(HR).":[45],"Activity":[46],"were":[48,65],"ranked":[49],"analyzed":[51],"optimize":[53],"the":[54,86],"correlation":[55],"HR":[57,62,71,83,100,130],"normalization":[58,63,84,101,131,141,143],"parameters.":[59],"Finally,":[60],"individual-specific":[61],"parameters":[64,102],"used":[66],"normalize":[68],"HR.":[69],"Normalized":[70],"was":[72,178],"then":[73],"included":[74],"activity-specific":[76],"regression":[77,96],"estimate":[80],"EE.":[81],"Our":[82],"minimizes":[85],"effect":[87],"of":[88],"individual":[89,110],"fitness":[90],"differences":[91],"entering":[93],"EE":[95,175],"models.":[97],"By":[98],"estimating":[99],"living,":[105],"our":[106],"avoids":[108],"dedicated":[109],"calibration":[111],"or":[112],"laboratory":[113,120],"tests.":[114],"In":[115],"a":[116,167,173,184],"combined":[117],"free-living":[118,134],"study":[121],"dataset,":[122],"including":[123],"34":[124],"healthy":[125],"volunteers,":[126],"show":[128],"14-day":[133],"data":[135],"improves":[136],"accuracy":[137],"compared":[138],"no":[140],"based":[144],"on":[145,160],"only":[148],"(":[149],"29.4%":[150],"19.8":[152],"%":[153,182],"error":[154,177],"reduction":[155],"against":[156],"lab":[157],"reference).":[158],"Based":[159],"acceleration":[161],"HR,":[163],"both":[164],"recorded":[165],"necklace,":[168],"GPS":[170],"acquired":[171],"smartphone,":[174],"estimation":[176],"reduced":[179],"by":[180],"10.7":[181],"leave-one-participant-out":[185],"analysis.":[186]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}