{"id":"https://openalex.org/W1987997266","doi":"https://doi.org/10.1109/memea.2013.6549727","title":"Differentiating two daily activities through analysis of short ambulatory video clips","display_name":"Differentiating two daily activities through analysis of short ambulatory video clips","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W1987997266","doi":"https://doi.org/10.1109/memea.2013.6549727","mag":"1987997266"},"language":"en","primary_location":{"id":"doi:10.1109/memea.2013.6549727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/memea.2013.6549727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","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/A5028526925","display_name":"Payam Moradshahi","orcid":null},"institutions":[{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"P. Moradshahi","raw_affiliation_strings":["Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada","Department of Systems and Computer Engineering, Carleton University Ottawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada","institution_ids":["https://openalex.org/I67031392"]},{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University Ottawa, ON, Canada","institution_ids":["https://openalex.org/I67031392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078223816","display_name":"James R. Green","orcid":"https://orcid.org/0000-0002-6039-2355"},"institutions":[{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"J. R. Green","raw_affiliation_strings":["Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada","Department of Systems and Computer Engineering, Carleton University Ottawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada","institution_ids":["https://openalex.org/I67031392"]},{"raw_affiliation_string":"Department of Systems and Computer Engineering, Carleton University Ottawa, ON, Canada","institution_ids":["https://openalex.org/I67031392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024956743","display_name":"Edward D. Lemaire","orcid":"https://orcid.org/0000-0003-4693-2623"},"institutions":[{"id":"https://openalex.org/I4388482656","display_name":"Ottawa Hospital Research Institute","ror":"https://ror.org/05jtef216","country_code":null,"type":"healthcare","lineage":["https://openalex.org/I153718931","https://openalex.org/I2800722420","https://openalex.org/I4388482656"]}],"countries":[],"is_corresponding":false,"raw_author_name":"E. D. Lemaire","raw_affiliation_strings":["Ottawa Hospital Research Institute, Ottawa, ON, CA","Centre for Rehabilitation R&D, Ottawa Hosp. Res. Inst., Ottawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Ottawa Hospital Research Institute, Ottawa, ON, CA","institution_ids":["https://openalex.org/I4388482656"]},{"raw_affiliation_string":"Centre for Rehabilitation R&D, Ottawa Hosp. Res. Inst., Ottawa, ON, Canada","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042049538","display_name":"Natalie Baddour","orcid":"https://orcid.org/0000-0002-7025-7501"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"N. Baddour","raw_affiliation_strings":["Department of Mechanical Engineering, University of Ottawa, Ottawa, Canada","Dept. of Mech. Eng., Univ. of Ottawa, Ottawa, ON, Canada#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Ottawa, Ottawa, Canada","institution_ids":["https://openalex.org/I153718931"]},{"raw_affiliation_string":"Dept. of Mech. Eng., Univ. of Ottawa, Ottawa, ON, Canada#TAB#","institution_ids":["https://openalex.org/I153718931"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5028526925"],"corresponding_institution_ids":["https://openalex.org/I67031392"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06555066,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"160","last_page":"163"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9991000294685364,"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":0.9991000294685364,"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.989300012588501,"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/computer-science","display_name":"Computer science","score":0.7166057229042053},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.6849602460861206},{"id":"https://openalex.org/keywords/stair-climbing","display_name":"Stair climbing","score":0.6550384759902954},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.5986831784248352},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.573943555355072},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5683563947677612},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5653990507125854},{"id":"https://openalex.org/keywords/climbing","display_name":"Climbing","score":0.44396084547042847},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4245830178260803},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.4175945520401001},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.1688692569732666},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.0886528491973877},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0882839560508728}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7166057229042053},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.6849602460861206},{"id":"https://openalex.org/C2776319952","wikidata":"https://www.wikidata.org/wiki/Q2451755","display_name":"Stair climbing","level":2,"score":0.6550384759902954},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.5986831784248352},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.573943555355072},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5683563947677612},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5653990507125854},{"id":"https://openalex.org/C95038775","wikidata":"https://www.wikidata.org/wiki/Q22857","display_name":"Climbing","level":2,"score":0.44396084547042847},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4245830178260803},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.4175945520401001},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.1688692569732666},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0886528491973877},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0882839560508728},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","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},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/memea.2013.6549727","is_oa":false,"landing_page_url":"https://doi.org/10.1109/memea.2013.6549727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Medical Measurements and Applications (MeMeA)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2017634428","https://openalex.org/W2036266932","https://openalex.org/W2050613873","https://openalex.org/W2051709873","https://openalex.org/W2067301942","https://openalex.org/W2116678161","https://openalex.org/W2121652262","https://openalex.org/W2131709365","https://openalex.org/W2461104673","https://openalex.org/W2535479414","https://openalex.org/W4256549074","https://openalex.org/W4285719527","https://openalex.org/W6654706306","https://openalex.org/W6678273252"],"related_works":["https://openalex.org/W2029973929","https://openalex.org/W2323112089","https://openalex.org/W2324058214","https://openalex.org/W3109128554","https://openalex.org/W4312590534","https://openalex.org/W4205407652","https://openalex.org/W4377138153","https://openalex.org/W2047426691","https://openalex.org/W1980202855","https://openalex.org/W4294168022"],"abstract_inverted_index":{"Automatically":[0],"detecting":[1],"daily":[2],"activities":[3],"using":[4],"wearable":[5,41],"smartphones":[6],"would":[7],"provide":[8],"valuable":[9],"information":[10],"to":[11,45,67,98],"clinicians.":[12],"While":[13],"accelerometer":[14],"data":[15],"is":[16,33],"effective":[17],"in":[18,43,80,86],"this":[19,28],"area,":[20],"classifying":[21],"stair":[22,52,94,136],"ascent":[23],"can":[24],"be":[25,146],"difficult.":[26],"In":[27],"paper,":[29],"video":[30,65,111],"content":[31],"analysis":[32],"performed":[34],"on":[35],"short":[36],"videos":[37],"captured":[38],"from":[39],"a":[40,122,149],"smartphone":[42],"order":[44],"distinguish":[46],"between":[47,153],"level":[48],"ground":[49],"walking":[50,142],"and":[51,89,113,119],"climbing.":[53],"High":[54],"contrast":[55],"image":[56],"features,":[57],"such":[58],"as":[59,96,148],"corners,":[60],"were":[61,126,138],"tracked":[62],"across":[63],"consecutive":[64],"frames":[66],"create":[68],"feature":[69,150],"paths.":[70],"Computing":[71],"the":[72,75,78,114,131],"median":[73,104],"of":[74,77,103,116,124,133],"slope":[76,105],"paths":[79],"each":[81,110],"frame":[82],"revealed":[83,129],"substantial":[84],"differences,":[85],"both":[87],"magnitude":[88],"variation":[90],"over":[91],"time,":[92],"for":[93,109,151],"climbing":[95,137],"opposed":[97],"walking.":[99],"A":[100],"time":[101],"series":[102],"values":[106],"was":[107],"produced":[108],"clip,":[112],"number":[115,132],"local":[117],"maxima":[118],"minima":[120],"above":[121],"threshold":[123],"1.0":[125],"computed.":[127],"Results":[128],"that":[130],"peaks":[134],"during":[135],"substantially":[139],"larger":[140],"than":[141],"and,":[143],"therefore,":[144],"could":[145],"used":[147],"distinguishing":[152],"these":[154],"two":[155],"activities.":[156]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}