{"id":"https://openalex.org/W3196667422","doi":"https://doi.org/10.1109/tsp52935.2021.9522650","title":"Automatic Segmentation of Actigraphy Data Utilising Gradient Boosting Algorithm","display_name":"Automatic Segmentation of Actigraphy Data Utilising Gradient Boosting Algorithm","publication_year":2021,"publication_date":"2021-07-26","ids":{"openalex":"https://openalex.org/W3196667422","doi":"https://doi.org/10.1109/tsp52935.2021.9522650","mag":"3196667422"},"language":"en","primary_location":{"id":"doi:10.1109/tsp52935.2021.9522650","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp52935.2021.9522650","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 44th International Conference on Telecommunications and Signal Processing (TSP)","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/A5026391986","display_name":"Marek Mikulec","orcid":"https://orcid.org/0000-0002-9405-9796"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Marek Mikulec","raw_affiliation_strings":["Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023865827","display_name":"Ji\u0159\u00ed Mekyska","orcid":"https://orcid.org/0000-0002-6195-193X"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jiri Mekyska","raw_affiliation_strings":["Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041473671","display_name":"Jan Sigmund","orcid":null},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jan Sigmund","raw_affiliation_strings":["Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022568636","display_name":"Zolt\u00e1n Gal\u00e1\u017e","orcid":"https://orcid.org/0000-0002-8978-351X"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Zoltan Galaz","raw_affiliation_strings":["Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083013455","display_name":"Lubo\u0161 Brabenec","orcid":"https://orcid.org/0000-0002-8348-5757"},"institutions":[{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Lubos Brabenec","raw_affiliation_strings":["Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036265211","display_name":"Ivona Mor\u00e1vkov\u00e1","orcid":"https://orcid.org/0000-0003-1050-685X"},"institutions":[{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]},{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Ivona Moravkova","raw_affiliation_strings":["Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","Faculty of Medicine and St. Anne\u2019s University Hospital, Masaryk University, Brno, Czech Republic","Faculty of Medicine and St. Anne's University Hospital, Masaryk University, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"Faculty of Medicine and St. Anne\u2019s University Hospital, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210136987"]},{"raw_affiliation_string":"Faculty of Medicine and St. Anne's University Hospital, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210136987"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010046435","display_name":"Irena Rektorov\u00e1","orcid":"https://orcid.org/0000-0002-5455-4573"},"institutions":[{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]},{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Irena Rektorova","raw_affiliation_strings":["Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","Faculty of Medicine and St. Anne\u2019s University Hospital, Masaryk University, Brno, Czech Republic","Faculty of Medicine and St. Anne's University Hospital, Masaryk University, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"Faculty of Medicine and St. Anne\u2019s University Hospital, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210136987"]},{"raw_affiliation_string":"Faculty of Medicine and St. Anne's University Hospital, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210136987"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5026391986"],"corresponding_institution_ids":["https://openalex.org/I60587646"],"apc_list":null,"apc_paid":null,"fwci":0.2378,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.5367241,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"11","issue":null,"first_page":"399","last_page":"402"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10234","display_name":"Obstructive Sleep Apnea Research","score":0.9997000098228455,"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/T10234","display_name":"Obstructive Sleep Apnea Research","score":0.9997000098228455,"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/T10316","display_name":"Sleep and related disorders","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/actigraphy","display_name":"Actigraphy","score":0.9558140635490417},{"id":"https://openalex.org/keywords/polysomnography","display_name":"Polysomnography","score":0.7206031084060669},{"id":"https://openalex.org/keywords/gradient-boosting","display_name":"Gradient boosting","score":0.7063180208206177},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6361215710639954},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.6061390042304993},{"id":"https://openalex.org/keywords/boosting","display_name":"Boosting (machine learning)","score":0.5676875710487366},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5656286478042603},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.5406091213226318},{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.4568016231060028},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.45225006341934204},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40150904655456543},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.34222280979156494},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.18041163682937622},{"id":"https://openalex.org/keywords/insomnia","display_name":"Insomnia","score":0.17455288767814636},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.14399799704551697},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.08092892169952393}],"concepts":[{"id":"https://openalex.org/C2778996325","wikidata":"https://www.wikidata.org/wiki/Q422201","display_name":"Actigraphy","level":3,"score":0.9558140635490417},{"id":"https://openalex.org/C2778205975","wikidata":"https://www.wikidata.org/wiki/Q1754874","display_name":"Polysomnography","level":3,"score":0.7206031084060669},{"id":"https://openalex.org/C70153297","wikidata":"https://www.wikidata.org/wiki/Q5591907","display_name":"Gradient boosting","level":3,"score":0.7063180208206177},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6361215710639954},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.6061390042304993},{"id":"https://openalex.org/C46686674","wikidata":"https://www.wikidata.org/wiki/Q466303","display_name":"Boosting (machine learning)","level":2,"score":0.5676875710487366},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5656286478042603},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5406091213226318},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.4568016231060028},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.45225006341934204},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40150904655456543},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.34222280979156494},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.18041163682937622},{"id":"https://openalex.org/C2781210498","wikidata":"https://www.wikidata.org/wiki/Q1869874","display_name":"Insomnia","level":2,"score":0.17455288767814636},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.14399799704551697},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.08092892169952393},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp52935.2021.9522650","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp52935.2021.9522650","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 44th International Conference on Telecommunications and Signal Processing (TSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337753","display_name":"Interreg","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1925963981","https://openalex.org/W2005375225","https://openalex.org/W2042017512","https://openalex.org/W2180429985","https://openalex.org/W2295598076","https://openalex.org/W2783706351","https://openalex.org/W2884542075","https://openalex.org/W2902221567","https://openalex.org/W2902757468","https://openalex.org/W2903150444","https://openalex.org/W3085802240","https://openalex.org/W3095677657","https://openalex.org/W3102476541","https://openalex.org/W3103859840","https://openalex.org/W3120428600","https://openalex.org/W3211043389","https://openalex.org/W4231438709","https://openalex.org/W6640432717"],"related_works":["https://openalex.org/W3207498936","https://openalex.org/W187111953","https://openalex.org/W2406635941","https://openalex.org/W2967733078","https://openalex.org/W2012369399","https://openalex.org/W3008929629","https://openalex.org/W4378978750","https://openalex.org/W67240597","https://openalex.org/W2166178106","https://openalex.org/W2075912957"],"abstract_inverted_index":{"As":[0],"the":[1,26,46,92,95,118,123,128,133,142,160],"popularity":[2],"of":[3,19,48,67,78,94,151],"decentralised":[4],"clinical":[5],"trials":[6],"increases,":[7],"there":[8],"is":[9,58],"a":[10,14,38,52,61,73,138,149,156],"need":[11],"to":[12,36,41,60,159],"have":[13],"tool":[15],"enabling":[16],"remote":[17,164],"assessment":[18,43,166],"sleep,":[20],"while":[21],"having":[22],"good":[23,157],"consistency":[24],"with":[25,30,99,141],"golden":[27,161],"standard,":[28],"i.e.":[29],"polysomnography":[31],"(PSG).":[32],"This":[33],"study":[34],"aims":[35],"introduce":[37],"new":[39,96,119],"approach":[40],"sleep":[42,103,165],"that":[44,148],"utilises":[45],"modelling":[47,127],"actigraphy":[49,79],"data":[50,100],"by":[51],"gradient":[53],"boosting":[54],"algorithm.":[55],"The":[56,145],"method":[57,97,120],"compared":[59],"conventional":[62],"baseline":[63,124],"technique":[64],"in":[65,72,105,126,163],"terms":[66],"sleep/wake":[68],"stages":[69],"detection":[70],"accuracy":[71],"dataset":[74,107],"containing":[75],"55":[76],"recordings":[77,110],"and":[80,116],"PSG":[81,129],"(acquired":[82],"from":[83],"28":[84],"subjects).":[85,112],"In":[86],"addition,":[87],"we":[88],"explored":[89],"how":[90],"well":[91],"outputs":[93],"agree":[98],"acquired":[101],"via":[102],"diaries":[104],"another":[106],"including":[108],"150":[109],"(22":[111],"With":[113],"97%":[114],"sensitivity":[115],"73%specificity,":[117],"significantly":[121],"outperformed":[122],"one":[125],"ground":[130],"truth.":[131],"On":[132],"other":[134],"hand,":[135],"it":[136],"had":[137],"lower":[139],"agreement":[140],"patient-reported":[143],"outcomes.":[144],"results":[146],"suggest":[147],"combination":[150],"both":[152],"approaches":[153],"could":[154],"be":[155],"alternative":[158],"standard":[162],"studies.":[167]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
