{"id":"https://openalex.org/W4281739180","doi":"https://doi.org/10.3390/s22114112","title":"Digital Optical Ballistocardiographic System for Activity, Heart Rate, and Breath Rate Determination during Sleep","display_name":"Digital Optical Ballistocardiographic System for Activity, Heart Rate, and Breath Rate Determination during Sleep","publication_year":2022,"publication_date":"2022-05-28","ids":{"openalex":"https://openalex.org/W4281739180","doi":"https://doi.org/10.3390/s22114112","pmid":"https://pubmed.ncbi.nlm.nih.gov/35684732"},"language":"en","primary_location":{"id":"doi:10.3390/s22114112","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22114112","pdf_url":"https://www.mdpi.com/1424-8220/22/11/4112/pdf?version=1653731062","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/1424-8220/22/11/4112/pdf?version=1653731062","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101815855","display_name":"Nuria L\u00f3pez-Ruiz","orcid":"https://orcid.org/0000-0003-1511-7167"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Nuria L\u00f3pez-Ruiz","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061013006","display_name":"Pablo Escobedo","orcid":null},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pablo Escobedo","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0002-1701-8878","affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021188152","display_name":"Isidoro Ruiz\u2010Garc\u00eda","orcid":"https://orcid.org/0000-0002-2522-6108"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Isidoro Ruiz-Garc\u00eda","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0002-2522-6108","affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101599223","display_name":"Miguel \u00c1. Carvajal","orcid":"https://orcid.org/0000-0003-0234-4758"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Miguel A. Carvajal","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0003-0234-4758","affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067711998","display_name":"A. Palma","orcid":"https://orcid.org/0000-0001-9050-5413"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alberto J. Palma","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0001-9050-5413","affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036555517","display_name":"Antonio Mart\u00ednez-Olmos","orcid":"https://orcid.org/0000-0001-6765-789X"},"institutions":[{"id":"https://openalex.org/I173304897","display_name":"Universidad de Granada","ror":"https://ror.org/04njjy449","country_code":"ES","type":"education","lineage":["https://openalex.org/I173304897"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Antonio Mart\u00ednez-Olmos","raw_affiliation_strings":["ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain"],"raw_orcid":"https://orcid.org/0000-0001-6765-789X","affiliations":[{"raw_affiliation_string":"ECsens, CITIC-UGR, Department of Electronics and Computer Technology, University of Granada, 18071 Granada, Spain","institution_ids":["https://openalex.org/I173304897"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5036555517"],"corresponding_institution_ids":["https://openalex.org/I173304897"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.5722,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.59953649,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"22","issue":"11","first_page":"4112","last_page":"4112"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10924","display_name":"Cardiovascular Health and Disease Prevention","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/heartbeat","display_name":"Heartbeat","score":0.7523485422134399},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5788857936859131},{"id":"https://openalex.org/keywords/microcontroller","display_name":"Microcontroller","score":0.5739006996154785},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.5302379131317139},{"id":"https://openalex.org/keywords/photoplethysmogram","display_name":"Photoplethysmogram","score":0.5081377029418945},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49697282910346985},{"id":"https://openalex.org/keywords/ballistocardiography","display_name":"Ballistocardiography","score":0.489732027053833},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.47773024439811707},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4704531729221344},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4663001596927643},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4559217095375061},{"id":"https://openalex.org/keywords/breathing","display_name":"Breathing","score":0.4446747601032257},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37929868698120117},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.3791548013687134},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3565676808357239},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3434421718120575},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.309384286403656},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2973858714103699},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2752573788166046},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.22178193926811218},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1864016354084015},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13649019598960876}],"concepts":[{"id":"https://openalex.org/C13852961","wikidata":"https://www.wikidata.org/wiki/Q17021880","display_name":"Heartbeat","level":2,"score":0.7523485422134399},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5788857936859131},{"id":"https://openalex.org/C173018170","wikidata":"https://www.wikidata.org/wiki/Q165678","display_name":"Microcontroller","level":2,"score":0.5739006996154785},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.5302379131317139},{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.5081377029418945},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49697282910346985},{"id":"https://openalex.org/C2779611634","wikidata":"https://www.wikidata.org/wiki/Q4851812","display_name":"Ballistocardiography","level":2,"score":0.489732027053833},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.47773024439811707},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4704531729221344},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4663001596927643},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4559217095375061},{"id":"https://openalex.org/C39300077","wikidata":"https://www.wikidata.org/wiki/Q9530","display_name":"Breathing","level":2,"score":0.4446747601032257},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37929868698120117},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.3791548013687134},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3565676808357239},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3434421718120575},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.309384286403656},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2973858714103699},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2752573788166046},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.22178193926811218},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1864016354084015},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13649019598960876},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001450","descriptor_name":"Ballistocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D001450","descriptor_name":"Ballistocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D001450","descriptor_name":"Ballistocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","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":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","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}],"locations_count":6,"locations":[{"id":"doi:10.3390/s22114112","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22114112","pdf_url":"https://www.mdpi.com/1424-8220/22/11/4112/pdf?version=1653731062","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:35684732","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35684732","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:digibug.ugr.es:10481/75809","is_oa":true,"landing_page_url":"http://hdl.handle.net/10481/75809","pdf_url":null,"source":{"id":"https://openalex.org/S4306400567","display_name":"Institutional Repository of the University of Granada (University of Granada)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I173304897","host_organization_name":"Universidad de Granada","host_organization_lineage":["https://openalex.org/I173304897"],"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":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:a560f2a57b184d2198e6159518340857","is_oa":true,"landing_page_url":"https://doaj.org/article/a560f2a57b184d2198e6159518340857","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 22, Iss 11, p 4112 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/11/4112/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22114112","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 22; Issue 11; Pages: 4112","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:9185638","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9185638","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/s22114112","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22114112","pdf_url":"https://www.mdpi.com/1424-8220/22/11/4112/pdf?version=1653731062","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":[{"id":"https://metadata.un.org/sdg/3","score":0.4399999976158142,"display_name":"Good health and well-being"}],"awards":[{"id":"https://openalex.org/G1622782223","display_name":null,"funder_award_id":"MCIN/AEI/10","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G1643949827","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2262748287","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2601397997","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G2713276326","display_name":null,"funder_award_id":"by MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G300979063","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3219925899","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3480869486","display_name":null,"funder_award_id":"13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3681454997","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4042783231","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4045093968","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G410571670","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G451917667","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G5080475149","display_name":null,"funder_award_id":"10.13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5538274678","display_name":null,"funder_award_id":"IJC2020-043307-I","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5539308778","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G5967599077","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G6337549254","display_name":null,"funder_award_id":"PID2019-103938RB-I00","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6354899103","display_name":null,"funder_award_id":"PYC20-RE-040 UGR","funder_id":"https://openalex.org/F4320326754","funder_display_name":"Junta de Andaluc\u00eda"},{"id":"https://openalex.org/G6823456974","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7084143925","display_name":null,"funder_award_id":"AEI/10","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7266728691","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7535663061","display_name":null,"funder_award_id":"AEI/10.","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8684520763","display_name":null,"funder_award_id":"PID2019","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8695128545","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8716935391","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320326754","funder_display_name":"Junta de Andaluc\u00eda"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320326754","display_name":"Junta de Andaluc\u00eda","ror":"https://ror.org/01jem9c82"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4281739180.pdf","grobid_xml":"https://content.openalex.org/works/W4281739180.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1965939533","https://openalex.org/W1991113589","https://openalex.org/W2055731784","https://openalex.org/W2103094713","https://openalex.org/W2117451748","https://openalex.org/W2137619789","https://openalex.org/W2152754400","https://openalex.org/W2176395472","https://openalex.org/W2247908160","https://openalex.org/W2624299438","https://openalex.org/W2675209525","https://openalex.org/W2781739472","https://openalex.org/W2783158214","https://openalex.org/W2884446700","https://openalex.org/W2894991776","https://openalex.org/W2947545851","https://openalex.org/W2952947339","https://openalex.org/W2955541794","https://openalex.org/W2963362070","https://openalex.org/W2984901899","https://openalex.org/W2998018531","https://openalex.org/W3042881801","https://openalex.org/W3090615728","https://openalex.org/W3092231123","https://openalex.org/W3117648084","https://openalex.org/W3138183469","https://openalex.org/W3156301715","https://openalex.org/W3170867123","https://openalex.org/W3202865091","https://openalex.org/W6762900305"],"related_works":["https://openalex.org/W4321512566","https://openalex.org/W2222961240","https://openalex.org/W2086072427","https://openalex.org/W2992207130","https://openalex.org/W2466695058","https://openalex.org/W1522130079","https://openalex.org/W2619132050","https://openalex.org/W2375823939","https://openalex.org/W4313334021","https://openalex.org/W2791489307"],"abstract_inverted_index":{"In":[0],"this":[1,152],"work,":[2],"we":[3],"present":[4],"a":[5,20,55,59,99,128,159,162,198,233,253],"ballistocardiographic":[6],"(BCG)":[7],"system":[8,126,206],"for":[9,217,229,261],"the":[10,31,69,72,76,81,84,88,103,106,109,115,121,124,133,137,143,156,175,192,204,237,240,248],"determination":[11,238],"of":[12,19,41,54,68,71,75,83,136,142,174,177,186,197,239,247],"heart":[13,241],"and":[14,17,33,108,140,245],"breath":[15],"rates":[16],"activity":[18,246],"user":[21],"lying":[22,144],"in":[23,38,179],"bed.":[24],"Our":[25],"primary":[26],"goal":[27],"was":[28],"to":[29,80,114,158,170,191],"simplify":[30],"analog":[32,149,262],"digital":[34,60],"processing":[35,257],"usually":[36],"required":[37],"these":[39],"kinds":[40],"systems":[42,213],"while":[43],"retaining":[44],"high":[45],"performance.":[46],"A":[47],"novel":[48],"sensing":[49],"approach":[50],"is":[51,188,250],"proposed":[52,125,205],"consisting":[53],"white":[56],"LED":[57,107],"facing":[58],"light":[61,73,78],"detector.":[62],"This":[63],"detector":[64,110],"provides":[65],"precise":[66],"measurements":[67,157],"variations":[70],"intensity":[74],"incident":[77],"due":[79],"vibrations":[82],"bed":[85],"produced":[86],"by":[87,120,195],"subject's":[89],"breathing,":[90,139],"heartbeat,":[91,138],"or":[92],"activity.":[93],"Four":[94],"small":[95],"springs,":[96,123],"acting":[97],"as":[98],"bandpass":[100,117],"filter,":[101],"connect":[102],"boards":[104],"where":[105,166],"are":[111,168],"mounted.":[112],"Owing":[113],"mechanical":[116],"filtering":[118],"caused":[119],"compressed":[122],"generates":[127],"BCG":[129,212],"signal":[130,150,256,263],"that":[131],"reflects":[132],"main":[134],"frequencies":[135],"movement":[141],"subject.":[145],"Without":[146],"requiring":[147],"any":[148,259],"processing,":[151],"device":[153],"continuously":[154],"transmits":[155],"microcontroller":[160],"through":[161,252],"two-wire":[163],"communication":[164],"protocol,":[165],"they":[167],"processed":[169],"provide":[171],"an":[172],"estimation":[173],"parameters":[176],"interest":[178,187],"configurable":[180],"time":[181],"intervals.":[182],"The":[183],"final":[184],"information":[185,230],"wirelessly":[189],"sent":[190],"user's":[193],"smartphone":[194],"means":[196],"Bluetooth":[199],"connection.":[200],"For":[201],"evaluation":[202],"purposes,":[203],"has":[207],"been":[208],"compared":[209],"with":[210],"typical":[211],"showing":[214],"excellent":[215],"performance":[216],"different":[218],"subject":[219],"positions.":[220],"Moreover,":[221],"applied":[222],"postprocessing":[223],"methods":[224],"have":[225],"shown":[226],"good":[227],"behavior":[228],"separation":[231],"from":[232],"single-channel":[234],"signal.":[235],"Therefore,":[236],"rate,":[242,244],"breathing":[243],"patient":[249],"achieved":[251],"highly":[254],"simplified":[255],"without":[258],"need":[260],"conditioning.":[264]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}