{"id":"https://openalex.org/W2170724010","doi":"https://doi.org/10.1109/iswc.2007.4373774","title":"Real-Time Recognition of Physical Activities and Their Intensities Using Wireless Accelerometers and a Heart Rate Monitor","display_name":"Real-Time Recognition of Physical Activities and Their Intensities Using Wireless Accelerometers and a Heart Rate Monitor","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2170724010","doi":"https://doi.org/10.1109/iswc.2007.4373774","mag":"2170724010"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswc.2007.4373774","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5103339501","display_name":"Emmanuel Munguia Tapia","orcid":null},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"funder","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Emmanuel Munguia Tapia","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055086883","display_name":"Stephen Intille","orcid":"https://orcid.org/0000-0002-0287-2553"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"funder","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stephen S. Intille","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090238935","display_name":"William L. Haskell","orcid":"https://orcid.org/0000-0002-7079-055X"},"institutions":[{"id":"https://openalex.org/I4210137306","display_name":"Stanford Medicine","ror":"https://ror.org/03mtd9a03","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210137306","https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William Haskell","raw_affiliation_strings":["Stanford Medical School, Palo Alto, CA, USA"],"affiliations":[{"raw_affiliation_string":"Stanford Medical School, Palo Alto, CA, USA","institution_ids":["https://openalex.org/I4210137306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014640639","display_name":"Kent Larson","orcid":"https://orcid.org/0000-0003-4581-7500"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"funder","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kent Larson","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027723604","display_name":"Julie Wright","orcid":"https://orcid.org/0000-0002-5115-7011"},"institutions":[{"id":"https://openalex.org/I1286490081","display_name":"Boston Medical Center","ror":"https://ror.org/010b9wj87","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1286490081"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Julie Wright","raw_affiliation_strings":["Boston Medical Center, Boston, MA, USA"],"affiliations":[{"raw_affiliation_string":"Boston Medical Center, Boston, MA, USA","institution_ids":["https://openalex.org/I1286490081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014587310","display_name":"\u00adAbby C. King","orcid":"https://orcid.org/0000-0002-7949-8811"},"institutions":[{"id":"https://openalex.org/I4210137306","display_name":"Stanford Medicine","ror":"https://ror.org/03mtd9a03","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210137306","https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abby King","raw_affiliation_strings":["Stanford Medical School, Palo Alto, CA, USA"],"affiliations":[{"raw_affiliation_string":"Stanford Medical School, Palo Alto, CA, USA","institution_ids":["https://openalex.org/I4210137306"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042252857","display_name":"Robert H. Friedman","orcid":"https://orcid.org/0000-0002-9440-2443"},"institutions":[{"id":"https://openalex.org/I1286490081","display_name":"Boston Medical Center","ror":"https://ror.org/010b9wj87","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1286490081"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert Friedman","raw_affiliation_strings":["Boston Medical Center, Boston, MA, USA"],"affiliations":[{"raw_affiliation_string":"Boston Medical Center, Boston, MA, USA","institution_ids":["https://openalex.org/I1286490081"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":10.403,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":449,"citation_normalized_percentile":{"value":0.985404,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9999,"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":0.9999,"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":0.9992,"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/T13248","display_name":"Healthcare Technology and Patient Monitoring","score":0.9826,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.7519964},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6286049},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.62371534},{"id":"https://openalex.org/C2777855551","wikidata":"https://www.wikidata.org/wiki/Q12310021","display_name":"Subject (documents)","level":2,"score":0.5053409},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.48009184},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.4713689},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4532739},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.38987952},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10347748},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.095391005},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.0},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswc.2007.4373774","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.72,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":12,"referenced_works":["https://openalex.org/W1491797991","https://openalex.org/W1503492491","https://openalex.org/W1504694836","https://openalex.org/W1570448133","https://openalex.org/W1991166221","https://openalex.org/W2105046342","https://openalex.org/W2120959311","https://openalex.org/W2125055259","https://openalex.org/W2143364815","https://openalex.org/W2148217011","https://openalex.org/W2159613676","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4231410700","https://openalex.org/W3023105672","https://openalex.org/W2765080098","https://openalex.org/W2748952813","https://openalex.org/W2385749422","https://openalex.org/W2357544061","https://openalex.org/W2355539379","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W2009888974"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,61,105],"present":[4],"a":[5,29,49,64,107],"real-time":[6],"algorithm":[7,35],"for":[8],"automatic":[9],"recognition":[10,65,86,93],"of":[11,42,51,68,80,110],"not":[12],"only":[13,88,94],"physical":[14,44],"activities,":[15,60],"but":[16],"also,":[17],"in":[18],"some":[19],"cases,":[20],"their":[21],"intensities,":[22],"using":[23,39,70,75],"five":[24],"triaxial":[25],"wireless":[26,30],"accelerometers":[27],"and":[28,73,91],"heart":[31,81,115],"rate":[32,82,116],"monitor.":[33],"The":[34,78],"has":[36,118],"been":[37],"evaluated":[38],"datasets":[40],"consisting":[41],"30":[43],"gymnasium":[45],"activities":[46],"collected":[47],"from":[48],"total":[50],"21":[52],"people":[53],"at":[54],"two":[55],"different":[56],"labs.":[57],"On":[58],"these":[59],"have":[62],"obtained":[63],"accuracy":[66,87],"performance":[67,109],"94.6%":[69],"subject-dependent":[71,85],"training":[72],"56.3%":[74],"subject-independent":[76,92,108],"training.":[77],"addition":[79],"data":[83,117],"improves":[84],"by":[89,95],"1.2%":[90],"2.1%.":[96],"When":[97],"recognizing":[98],"activity":[99],"type":[100],"without":[101],"differentiating":[102],"intensity":[103],"levels,":[104],"obtain":[106],"80.6%.":[111],"We":[112],"discuss":[113],"why":[114],"such":[119],"little":[120],"discriminatory":[121],"power.":[122]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2170724010","counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":31},{"year":2019,"cited_by_count":28},{"year":2018,"cited_by_count":28},{"year":2017,"cited_by_count":41},{"year":2016,"cited_by_count":39},{"year":2015,"cited_by_count":44},{"year":2014,"cited_by_count":29},{"year":2013,"cited_by_count":29},{"year":2012,"cited_by_count":28}],"updated_date":"2025-04-19T05:32:23.232252","created_date":"2016-06-24"}