{"id":"https://openalex.org/W4410177742","doi":"https://doi.org/10.1007/s42979-025-03895-5","title":"Enhancing Dynamic Human Activity Recognition Through a Novel Martingale-Based Algorithm for Change Detection","display_name":"Enhancing Dynamic Human Activity Recognition Through a Novel Martingale-Based Algorithm for Change Detection","publication_year":2025,"publication_date":"2025-05-07","ids":{"openalex":"https://openalex.org/W4410177742","doi":"https://doi.org/10.1007/s42979-025-03895-5"},"language":"en","primary_location":{"id":"doi:10.1007/s42979-025-03895-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42979-025-03895-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42979-025-03895-5.pdf","source":{"id":"https://openalex.org/S4210174798","display_name":"SN Computer Science","issn_l":"2661-8907","issn":["2661-8907","2662-995X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SN Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s42979-025-03895-5.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079894364","display_name":"Jonathan Etumusei","orcid":"https://orcid.org/0000-0002-1337-1471"},"institutions":[{"id":"https://openalex.org/I138801177","display_name":"University of Ulster","ror":"https://ror.org/01yp9g959","country_code":"GB","type":"education","lineage":["https://openalex.org/I138801177"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Jonathan Etumusei","raw_affiliation_strings":["University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland"],"affiliations":[{"raw_affiliation_string":"University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland","institution_ids":["https://openalex.org/I138801177"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013444161","display_name":"Jorge Mart\u00ednez Carracedo","orcid":"https://orcid.org/0000-0001-8017-2598"},"institutions":[{"id":"https://openalex.org/I138801177","display_name":"University of Ulster","ror":"https://ror.org/01yp9g959","country_code":"GB","type":"education","lineage":["https://openalex.org/I138801177"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jorge Martinez Carracedo","raw_affiliation_strings":["University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland"],"affiliations":[{"raw_affiliation_string":"University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland","institution_ids":["https://openalex.org/I138801177"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022378204","display_name":"Sally McClean","orcid":"https://orcid.org/0000-0002-6871-3504"},"institutions":[{"id":"https://openalex.org/I138801177","display_name":"University of Ulster","ror":"https://ror.org/01yp9g959","country_code":"GB","type":"education","lineage":["https://openalex.org/I138801177"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sally McClean","raw_affiliation_strings":["University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland"],"affiliations":[{"raw_affiliation_string":"University of Ulster, Shore Rd, Newtownabbey, Jordanstown, BT37 0QB, Northern Ireland","institution_ids":["https://openalex.org/I138801177"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5079894364"],"corresponding_institution_ids":["https://openalex.org/I138801177"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":{"value":2290,"currency":"EUR","value_usd":2890},"fwci":1.2892,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.79570397,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"6","issue":"5","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9991999864578247,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9991999864578247,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9911999702453613,"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"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/change-detection","display_name":"Change detection","score":0.698154628276825},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5555009245872498},{"id":"https://openalex.org/keywords/martingale","display_name":"Martingale (probability theory)","score":0.5336101055145264},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4615367352962494},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4412410259246826},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36143386363983154},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2442973256111145},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.06730923056602478}],"concepts":[{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.698154628276825},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5555009245872498},{"id":"https://openalex.org/C48406656","wikidata":"https://www.wikidata.org/wiki/Q534112","display_name":"Martingale (probability theory)","level":2,"score":0.5336101055145264},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4615367352962494},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4412410259246826},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36143386363983154},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2442973256111145},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.06730923056602478}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s42979-025-03895-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42979-025-03895-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42979-025-03895-5.pdf","source":{"id":"https://openalex.org/S4210174798","display_name":"SN Computer Science","issn_l":"2661-8907","issn":["2661-8907","2662-995X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SN Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire/bf31b9e9-fe9f-40d0-8f4e-70024300b1c3","is_oa":true,"landing_page_url":"https://pure.ulster.ac.uk/en/publications/bf31b9e9-fe9f-40d0-8f4e-70024300b1c3","pdf_url":null,"source":{"id":"https://openalex.org/S4306402454","display_name":"Ulster University Research Portal (Ulster University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I138801177","host_organization_name":"University of Ulster","host_organization_lineage":["https://openalex.org/I138801177"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Etumusei, J, Carracedo, J M & McClean, S 2025, 'Enhancing Dynamic Human Activity Recognition Through a Novel Martingale-Based Algorithm for Change Detection', SN Computer Science, vol. 6, no. 5, 451, pp. 1-20. https://doi.org/10.1007/s42979-025-03895-5","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s42979-025-03895-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s42979-025-03895-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s42979-025-03895-5.pdf","source":{"id":"https://openalex.org/S4210174798","display_name":"SN Computer Science","issn_l":"2661-8907","issn":["2661-8907","2662-995X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SN Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320859","display_name":"Ulster University","ror":"https://ror.org/01yp9g959"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4410177742.pdf","grobid_xml":"https://content.openalex.org/works/W4410177742.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W2889924106","https://openalex.org/W2901081366","https://openalex.org/W2914015009","https://openalex.org/W2945091350","https://openalex.org/W2945642945","https://openalex.org/W2975931332","https://openalex.org/W2995392496","https://openalex.org/W2996013073","https://openalex.org/W2998376881","https://openalex.org/W3003548808","https://openalex.org/W3004299417","https://openalex.org/W3008659315","https://openalex.org/W3011306008","https://openalex.org/W3033779083","https://openalex.org/W3083822387","https://openalex.org/W3091961298","https://openalex.org/W3116020324","https://openalex.org/W3135037152","https://openalex.org/W3154495231","https://openalex.org/W3190389015","https://openalex.org/W3198685841","https://openalex.org/W3199637428","https://openalex.org/W3200796012","https://openalex.org/W3205652607","https://openalex.org/W3210766530","https://openalex.org/W3212700429","https://openalex.org/W3213078903","https://openalex.org/W4205689482","https://openalex.org/W4211249696","https://openalex.org/W4225127372","https://openalex.org/W4254101359","https://openalex.org/W4290459660","https://openalex.org/W4294012891","https://openalex.org/W4306394127","https://openalex.org/W4361009098","https://openalex.org/W4386952366","https://openalex.org/W4393012212","https://openalex.org/W4409429413"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2568858292","https://openalex.org/W2073681303","https://openalex.org/W1515964938","https://openalex.org/W2389381914","https://openalex.org/W4409439182","https://openalex.org/W2376528221","https://openalex.org/W196800607","https://openalex.org/W2033914206","https://openalex.org/W2042327336"],"abstract_inverted_index":{"Abstract":[0],"The":[1,109],"escalating":[2],"prevalence":[3],"of":[4,42,91,97,187],"diseases":[5],"linked":[6],"to":[7,28,69,117,127,132],"physical":[8,43,189,218],"inactivity,":[9],"including":[10],"cardiovascular":[11],"diseases,":[12],"hypertension,":[13],"obesity,":[14],"diabetes,":[15],"colon":[16],"cancer,":[17],"anxiety,":[18],"depression,":[19],"lipid":[20],"disorders,":[21],"and":[22,40,82,94,121,147,176,193,213,220],"osteoporosis,":[23],"poses":[24],"a":[25,66,195],"formidable":[26],"challenge":[27,90],"modern":[29],"healthcare.":[30],"Despite":[31],"advancements":[32],"in":[33,106,113],"wearable":[34],"sensor":[35],"technologies":[36],"facilitating":[37],"the":[38,88,185],"study":[39],"monitoring":[41,212],"activities":[44],"for":[45,50,210],"improved":[46,129],"well-being,":[47],"existing":[48,161],"methods":[49,77,162],"human":[51],"activity":[52,219],"recognition":[53],"grapple":[54],"with":[55,78,198],"noise-related":[56],"issues,":[57],"impacting":[58],"result":[59],"accuracy.":[60],"In":[61],"this":[62,182],"paper,":[63],"we":[64],"introduce":[65],"groundbreaking":[67],"approach":[68],"Human":[70],"Activity":[71,102],"Recognition":[72],"(HAR)":[73],"by":[74],"integrating":[75],"martingale":[76],"smoothing,":[79],"heuristic":[80],"thresholding,":[81],"optimisation":[83],"techniques.":[84],"Our":[85],"method":[86,159],"addresses":[87],"pressing":[89],"accurately":[92],"identifying":[93],"estimating":[95],"points":[96],"interest,":[98],"such":[99],"as":[100],"Physical":[101],"Bout":[103],"(PAB)":[104],"duration,":[105],"HAR":[107],"sequences.":[108],"unique":[110],"contribution":[111],"lies":[112],"our":[114,158,203],"method\u2019s":[115],"ability":[116],"capture":[118],"intricate":[119],"patterns":[120],"dependencies":[122],"within":[123],"these":[124],"sequences,":[125],"leading":[126],"significantly":[128],"accuracy":[130,146],"compared":[131],"traditional":[133],"approaches.":[134],"With":[135],"an":[136],"impressive":[137],"$$93.40\\%$$":[138],"<mml:math":[139,149],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">":[140,150],"<mml:mrow>":[141,151],"<mml:mn>93.40</mml:mn>":[142],"<mml:mo>%</mml:mo>":[143,153],"</mml:mrow>":[144,154],"</mml:math>":[145,155],"$$90.4\\%$$":[148],"<mml:mn>90.4</mml:mn>":[152],"G-mean":[156],"measure,":[157],"surpasses":[160],"like":[163],"multivariate":[164,168],"randomised":[165],"power":[166],"martingale,":[167],"exponential":[169],"weighted":[170],"moving":[171],"average,":[172],"mean":[173],"absolute":[174],"deviation,":[175],"extreme":[177],"learning":[178],"machine":[179],"methods.":[180],"Moreover,":[181],"research":[183],"underscores":[184],"urgency":[186],"addressing":[188],"inactivity-related":[190],"health":[191,223],"challenges":[192],"offers":[194],"pioneering":[196],"solution":[197],"substantial":[199],"performance":[200],"enhancements.":[201],"Additionally,":[202],"novel":[204],"martingale-based":[205],"approaches":[206],"have":[207],"practical":[208],"implications":[209],"real-time":[211],"interventions":[214],"aimed":[215],"at":[216],"promoting":[217],"mitigating":[221],"associated":[222],"risks.":[224]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
