{"id":"https://openalex.org/W3195191735","doi":"https://doi.org/10.3390/s21165553","title":"A Blanket Accommodative Sleep Posture Classification System Using an Infrared Depth Camera: A Deep Learning Approach with Synthetic Augmentation of Blanket Conditions","display_name":"A Blanket Accommodative Sleep Posture Classification System Using an Infrared Depth Camera: A Deep Learning Approach with Synthetic Augmentation of Blanket Conditions","publication_year":2021,"publication_date":"2021-08-18","ids":{"openalex":"https://openalex.org/W3195191735","doi":"https://doi.org/10.3390/s21165553","mag":"3195191735","pmid":"https://pubmed.ncbi.nlm.nih.gov/34450994"},"language":"en","primary_location":{"id":"doi:10.3390/s21165553","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21165553","pdf_url":"https://www.mdpi.com/1424-8220/21/16/5553/pdf?version=1629282832","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/16/5553/pdf?version=1629282832","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048977726","display_name":"Andy Yiu-Chau Tam","orcid":"https://orcid.org/0000-0001-6563-8177"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Andy Yiu-Chau Tam","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0001-6563-8177","affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079045231","display_name":"Bryan Pak-Hei So","orcid":"https://orcid.org/0000-0002-8644-5785"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Bryan Pak-Hei So","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091181540","display_name":"Tim Tin-Chun Chan","orcid":null},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tim Tin-Chun Chan","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029822698","display_name":"Alyssa Ka-Yan Cheung","orcid":null},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Alyssa Ka-Yan Cheung","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036742312","display_name":"Duo Wai\u2010Chi Wong","orcid":"https://orcid.org/0000-0002-8805-1157"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Duo Wai-Chi Wong","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-8805-1157","affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047913546","display_name":"James Chung\u2010Wai Cheung","orcid":"https://orcid.org/0000-0001-7446-0569"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"James Chung-Wai Cheung","raw_affiliation_strings":["Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0001-7446-0569","affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5036742312","https://openalex.org/A5047913546"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":4.0025,"has_fulltext":true,"cited_by_count":45,"citation_normalized_percentile":{"value":0.94924546,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"21","issue":"16","first_page":"5553","last_page":"5553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10234","display_name":"Obstructive Sleep Apnea Research","score":0.9993000030517578,"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":0.9993000030517578,"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/T11670","display_name":"Pressure Ulcer Prevention and Management","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/3609","display_name":"Occupational Therapy"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","score":0.9635000228881836,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/blanket","display_name":"Blanket","score":0.9091051816940308},{"id":"https://openalex.org/keywords/supine-position","display_name":"Supine position","score":0.8353931903839111},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.552874743938446},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.5192006230354309},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4624159038066864},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.3693944215774536},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33149880170822144},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3221327066421509},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.1306130588054657},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.07783001661300659}],"concepts":[{"id":"https://openalex.org/C2779261148","wikidata":"https://www.wikidata.org/wiki/Q5852","display_name":"Blanket","level":2,"score":0.9091051816940308},{"id":"https://openalex.org/C125567185","wikidata":"https://www.wikidata.org/wiki/Q3267428","display_name":"Supine position","level":2,"score":0.8353931903839111},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.552874743938446},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.5192006230354309},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4624159038066864},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3693944215774536},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33149880170822144},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3221327066421509},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.1306130588054657},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.07783001661300659},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001512","descriptor_name":"Bedding and Linens","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001512","descriptor_name":"Bedding and Linens","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001512","descriptor_name":"Bedding and Linens","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.3390/s21165553","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21165553","pdf_url":"https://www.mdpi.com/1424-8220/21/16/5553/pdf?version=1629282832","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:34450994","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34450994","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:eb90a86b43dc41d181705cbf1031c1ed","is_oa":true,"landing_page_url":"https://doaj.org/article/eb90a86b43dc41d181705cbf1031c1ed","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 16, p 5553 (2021)","raw_type":"article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/91981","is_oa":true,"landing_page_url":"http://hdl.handle.net/10397/91981","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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":null,"raw_type":"Journal/Magazine Article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/16/5553/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21165553","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Sensors; Volume 21; Issue 16; Pages: 5553","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8402261","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8402261","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21165553","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21165553","pdf_url":"https://www.mdpi.com/1424-8220/21/16/5553/pdf?version=1629282832","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3195191735.pdf","grobid_xml":"https://content.openalex.org/works/W3195191735.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W1964251291","https://openalex.org/W1966723422","https://openalex.org/W1969221305","https://openalex.org/W1983529579","https://openalex.org/W2015295583","https://openalex.org/W2046190933","https://openalex.org/W2074290069","https://openalex.org/W2087901329","https://openalex.org/W2093163939","https://openalex.org/W2098082362","https://openalex.org/W2111069317","https://openalex.org/W2115361864","https://openalex.org/W2134625614","https://openalex.org/W2141766660","https://openalex.org/W2171783792","https://openalex.org/W2218460610","https://openalex.org/W2327160382","https://openalex.org/W2428100261","https://openalex.org/W2494218935","https://openalex.org/W2510503449","https://openalex.org/W2609229420","https://openalex.org/W2614101190","https://openalex.org/W2622695393","https://openalex.org/W2774617293","https://openalex.org/W2870863419","https://openalex.org/W2889985731","https://openalex.org/W2898907394","https://openalex.org/W2899010618","https://openalex.org/W2913196375","https://openalex.org/W2914203460","https://openalex.org/W2914492151","https://openalex.org/W2918956281","https://openalex.org/W2943231637","https://openalex.org/W2946948417","https://openalex.org/W2956129853","https://openalex.org/W2971601803","https://openalex.org/W2977833371","https://openalex.org/W2997921563","https://openalex.org/W3004002567","https://openalex.org/W3006615156","https://openalex.org/W3007337704","https://openalex.org/W3009425220","https://openalex.org/W3011550364","https://openalex.org/W3025867661","https://openalex.org/W3035160371","https://openalex.org/W3099319035","https://openalex.org/W3121816566","https://openalex.org/W3130100348","https://openalex.org/W3133974661"],"related_works":["https://openalex.org/W2388844564","https://openalex.org/W2044778064","https://openalex.org/W4200539879","https://openalex.org/W2950903173","https://openalex.org/W2133934126","https://openalex.org/W2942060259","https://openalex.org/W2954773362","https://openalex.org/W2804435182","https://openalex.org/W2392411846","https://openalex.org/W2353471143"],"abstract_inverted_index":{"Surveillance":[0],"of":[1,12,15,32,45,61,185,239,252,262],"sleeping":[2,81,96,254],"posture":[3,19,54,231],"is":[4],"essential":[5],"for":[6,71,213],"bed-ridden":[7],"patients":[8],"or":[9],"individuals":[10],"at-risk":[11],"falling":[13],"out":[14],"bed.":[16],"Existing":[17],"sleep":[18,53],"monitoring":[20],"and":[21,74,89,102,106,108,111,120,130,143,161,170,176,211,216,258],"classification":[22,55],"systems":[23],"may":[24],"not":[25],"be":[26],"able":[27],"to":[28,39,49,79,92,192,199],"accommodate":[29,58],"the":[30,59,138,156,159,171,193,206,214,221,228],"covering":[31],"a":[33,37,62,75,167,183,202,233,245],"blanket,":[34,201,235],"which":[35],"represents":[36],"barrier":[38],"conducting":[40],"pragmatic":[41],"studies.":[42],"The":[43,64,180],"objective":[44],"this":[46],"study":[47],"was":[48,125,178,224],"develop":[50],"an":[51,67,237,260],"unobtrusive":[52],"that":[56,247],"could":[57],"use":[60],"blanket.":[63],"system":[65,246],"uses":[66],"infrared":[68],"depth":[69],"camera":[70],"data":[72,131],"acquisition":[73],"convolutional":[76],"neural":[77],"network":[78,153],"classify":[80,249],"postures.":[82],"We":[83],"recruited":[84],"66":[85],"participants":[86],"(40":[87],"men":[88],"26":[90],"women)":[91],"perform":[93],"seven":[94,250],"major":[95],"postures":[97,163,255],"(supine,":[98],"prone":[99,172],"(head":[100,174],"left":[101,175],"right),":[103],"log":[104,160,229],"(left":[105,110],"right)":[107,177],"fetal":[109,162],"right))":[112],"under":[113,232,256],"four":[114],"blanket":[115,135,204],"conditions":[116,136],"(thick,":[117],"medium,":[118],"thin,":[119],"no":[121,200],"blanket).":[122],"Data":[123],"augmentation":[124],"conducted":[126],"by":[127,188,209],"affine":[128],"transformation":[129],"fusion,":[132],"generating":[133],"additional":[134],"with":[137,236],"original":[139],"dataset.":[140],"Coarse-grained":[141],"(four-posture)":[142],"fine-grained":[144,194,217],"(seven-posture)":[145],"classifiers":[146],"were":[147,164],"trained":[148],"using":[149],"two":[150],"fully":[151],"connected":[152],"layers.":[154],"For":[155],"coarse":[157],"classification,":[158],"merged":[165],"into":[166],"side-lying":[168],"class":[169,173],"pooled.":[179],"results":[181],"show":[182],"drop":[184],"overall":[186,207],"F1-score":[187,238,261],"8.2%":[189],"when":[190],"switching":[191],"classifier.":[195],"In":[196,241],"addition,":[197],"compared":[198],"thick":[203,234],"reduced":[205],"F1-scores":[208],"3.5%":[210],"8.9%":[212],"coarse-":[215],"classifiers,":[218],"respectively;":[219],"meanwhile,":[220],"lowest":[222],"performance":[223],"seen":[225],"in":[226],"classifying":[227],"(right)":[230],"72.0%.":[240],"conclusion,":[242],"we":[243],"developed":[244],"can":[248],"types":[251],"common":[253],"blankets":[257],"achieved":[259],"88.9%.":[263]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":8}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}
