{"id":"https://openalex.org/W1989691948","doi":"https://doi.org/10.1145/2077546.2077553","title":"Grammar-based, posture- and context-cognitive detection for falls with different activity levels","display_name":"Grammar-based, posture- and context-cognitive detection for falls with different activity levels","publication_year":2011,"publication_date":"2011-10-10","ids":{"openalex":"https://openalex.org/W1989691948","doi":"https://doi.org/10.1145/2077546.2077553","mag":"1989691948"},"language":"en","primary_location":{"id":"doi:10.1145/2077546.2077553","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2077546.2077553","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd Conference on Wireless Health","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/A5100429992","display_name":"Qiang Li","orcid":"https://orcid.org/0000-0002-6736-3389"},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Qiang Li","raw_affiliation_strings":["University of Virginia, Charlottesville, VA"],"affiliations":[{"raw_affiliation_string":"University of Virginia, Charlottesville, VA","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100603760","display_name":"John A. Stankovic","orcid":"https://orcid.org/0000-0001-7307-9395"},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John A. Stankovic","raw_affiliation_strings":["University of Virginia, Charlottesville, VA"],"affiliations":[{"raw_affiliation_string":"University of Virginia, Charlottesville, VA","institution_ids":["https://openalex.org/I51556381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100429992"],"corresponding_institution_ids":["https://openalex.org/I51556381"],"apc_list":null,"apc_paid":null,"fwci":1.803,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.87082096,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998999834060669,"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":0.9998999834060669,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9692000150680542,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9592999815940857,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5811459422111511},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5793402194976807},{"id":"https://openalex.org/keywords/jumping","display_name":"Jumping","score":0.548141360282898},{"id":"https://openalex.org/keywords/sitting","display_name":"Sitting","score":0.5357903838157654},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.5298343300819397},{"id":"https://openalex.org/keywords/cognition","display_name":"Cognition","score":0.5139307379722595},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.47944584488868713},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.4711923599243164},{"id":"https://openalex.org/keywords/poison-control","display_name":"Poison control","score":0.41827404499053955},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4075533151626587},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.23075026273727417},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.1925371289253235},{"id":"https://openalex.org/keywords/medical-emergency","display_name":"Medical emergency","score":0.12640461325645447},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08199578523635864},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.07372015714645386},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.06850245594978333}],"concepts":[{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5811459422111511},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5793402194976807},{"id":"https://openalex.org/C2779897013","wikidata":"https://www.wikidata.org/wiki/Q1151752","display_name":"Jumping","level":2,"score":0.548141360282898},{"id":"https://openalex.org/C2776370487","wikidata":"https://www.wikidata.org/wiki/Q1144593","display_name":"Sitting","level":2,"score":0.5357903838157654},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5298343300819397},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.5139307379722595},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.47944584488868713},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.4711923599243164},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.41827404499053955},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4075533151626587},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.23075026273727417},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1925371289253235},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.12640461325645447},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08199578523635864},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.07372015714645386},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.06850245594978333},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2077546.2077553","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2077546.2077553","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd Conference on Wireless Health","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[{"id":"https://openalex.org/G2683906734","display_name":null,"funder_award_id":"EECS-1035303EECS-0901686IIS-0931972","funder_id":"https://openalex.org/F4320337392","funder_display_name":"Division of Electrical, Communications and Cyber Systems"},{"id":"https://openalex.org/G8167513071","display_name":null,"funder_award_id":"EECS-1035303EECS-0901686IIS-0931972","funder_id":"https://openalex.org/F4320337389","funder_display_name":"Division of Information and Intelligent Systems"}],"funders":[{"id":"https://openalex.org/F4320337389","display_name":"Division of Information and Intelligent Systems","ror":"https://ror.org/053a2cp42"},{"id":"https://openalex.org/F4320337392","display_name":"Division of Electrical, Communications and Cyber Systems","ror":"https://ror.org/01krpsy48"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1537748923","https://openalex.org/W1552926246","https://openalex.org/W1671410324","https://openalex.org/W2007717933","https://openalex.org/W2035647453","https://openalex.org/W2044223409","https://openalex.org/W2046718428","https://openalex.org/W2081114569","https://openalex.org/W2081241079","https://openalex.org/W2099853900","https://openalex.org/W2099881886","https://openalex.org/W2100287728","https://openalex.org/W2101286829","https://openalex.org/W2104619880","https://openalex.org/W2104706302","https://openalex.org/W2106093484","https://openalex.org/W2109703223","https://openalex.org/W2119732836","https://openalex.org/W2122912679","https://openalex.org/W2132092437","https://openalex.org/W2135018291","https://openalex.org/W2135764764","https://openalex.org/W2144102054","https://openalex.org/W2154121591","https://openalex.org/W2167027460","https://openalex.org/W2541575980","https://openalex.org/W3142031928","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W648845647","https://openalex.org/W2381882558","https://openalex.org/W4388849567","https://openalex.org/W2486266915","https://openalex.org/W964501512","https://openalex.org/W2102267190","https://openalex.org/W1995093229","https://openalex.org/W2363955986","https://openalex.org/W2318030984","https://openalex.org/W2436652189"],"abstract_inverted_index":{"Falls":[0],"are":[1,53,66],"dangerous":[2],"for":[3],"the":[4,64],"aged":[5],"population":[6],"as":[7],"they":[8,83],"result":[9],"in":[10,63],"serious":[11],"detrimental":[12],"consequences.":[13],"Therefore,":[14],"many":[15,61],"fall":[16],"detection":[17],"methods":[18,25],"have":[19],"been":[20],"proposed.":[21],"Most":[22],"of":[23],"these":[24,49],"characterize":[26],"falls":[27,62,68,80,86],"by":[28],"large":[29],"accelerations":[30],"and":[31,45,51],"fast":[32],"body":[33],"orientation":[34],"changes.":[35],"However,":[36],"certain":[37],"activities":[38],"like":[39],"sitting":[40],"down":[41],"quickly,":[42],"vigorous":[43],"gaits,":[44],"jumping,":[46],"also":[47],"show":[48,70],"characteristics,":[50],"thus":[52],"hard":[54],"to":[55,77],"distinguish":[56],"from":[57],"real":[58],"falls.":[59],"Moreover,":[60],"elderly":[65],"slow":[67,79],"which":[69],"lower":[71],"activity":[72,89],"levels.":[73,90],"Existing":[74],"work":[75],"fails":[76],"detect":[78],"effectively":[81],"because":[82],"only":[84],"identify":[85],"with":[87],"high":[88]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
