{"id":"https://openalex.org/W4410076486","doi":"https://doi.org/10.4103/jmss.jmss_48_24","title":"Enhanced Joint Heart and Respiratory Rates Extraction from Functional Near-infrared Spectroscopy Signals Using Cumulative Curve Fitting Approximation","display_name":"Enhanced Joint Heart and Respiratory Rates Extraction from Functional Near-infrared Spectroscopy Signals Using Cumulative Curve Fitting Approximation","publication_year":2025,"publication_date":"2025-05-01","ids":{"openalex":"https://openalex.org/W4410076486","doi":"https://doi.org/10.4103/jmss.jmss_48_24","pmid":"https://pubmed.ncbi.nlm.nih.gov/40421237"},"language":"en","primary_location":{"id":"doi:10.4103/jmss.jmss_48_24","doi":"https://doi.org/10.4103/jmss.jmss_48_24","is_oa":true,"landing_page_url":"https://doi.org/10.4103/jmss.jmss_48_24","pdf_url":null,"source":{"id":"https://openalex.org/S2764790739","display_name":"Journal of Medical Signals & Sensors","issn_l":"2228-7477","issn":["2228-7477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens"],"host_organization":"https://openalex.org/P4310319032","host_organization_name":"Isfahan University of Medical Sciences","host_organization_lineage":["https://openalex.org/P4310319032"],"host_organization_lineage_names":["Isfahan University of Medical Sciences"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Medical Signals &amp; Sensors","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.4103/jmss.jmss_48_24","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5117431330","display_name":"Navid Adib","orcid":"https://orcid.org/0009-0007-0314-8974","observed_orcids":["https://orcid.org/0009-0007-0314-8974"]},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Navid Adib","raw_affiliation_strings":["Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052290238","display_name":"Seyed Kamaledin Setarehdan","orcid":"https://orcid.org/0000-0001-5928-8668","observed_orcids":["https://orcid.org/0000-0001-5928-8668"]},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Seyed Kamaledin Setarehdan","raw_affiliation_strings":["Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117431331","display_name":"Shirin Ashtari Tondashti","orcid":"https://orcid.org/0009-0005-5183-654X","observed_orcids":["https://orcid.org/0009-0005-5183-654X"]},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Shirin Ashtari Tondashti","raw_affiliation_strings":["Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066267090","display_name":"Mahdis Yaghoubi","orcid":"https://orcid.org/0009-0000-6789-6516","observed_orcids":["https://orcid.org/0009-0000-6789-6516"]},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mahdis Yaghoubi","raw_affiliation_strings":["Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5052290238"],"corresponding_institution_ids":["https://openalex.org/I23946033"],"apc_list":{"value":5000000,"currency":"IRR","value_usd":null},"apc_paid":null,"fwci":0.4818,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53456674,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"15","issue":"5","first_page":"15","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.5365999937057495,"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":0.5365999937057495,"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.45649999380111694,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.002199999988079071,"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/functional-near-infrared-spectroscopy","display_name":"functional near-infrared spectroscopy","score":0.9779999852180481},{"id":"https://openalex.org/keywords/heart-rate-estimation","display_name":"heart rate estimation","score":0.9549999833106995},{"id":"https://openalex.org/keywords/polynomial-fitting","display_name":"polynomial fitting","score":0.7599999904632568},{"id":"https://openalex.org/keywords/wearable-health-monitoring","display_name":"wearable health monitoring","score":0.7409999966621399}],"concepts":[{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.5667455196380615},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.4715411961078644},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.45823150873184204},{"id":"https://openalex.org/C153642686","wikidata":"https://www.wikidata.org/wiki/Q70906","display_name":"Infrared spectroscopy","level":2,"score":0.4346058964729309},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.41501715779304504},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.31389936804771423},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2764262557029724},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24122920632362366},{"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/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.4103/jmss.jmss_48_24","doi":"https://doi.org/10.4103/jmss.jmss_48_24","is_oa":true,"landing_page_url":"https://doi.org/10.4103/jmss.jmss_48_24","pdf_url":null,"source":{"id":"https://openalex.org/S2764790739","display_name":"Journal of Medical Signals & Sensors","issn_l":"2228-7477","issn":["2228-7477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens"],"host_organization":"https://openalex.org/P4310319032","host_organization_name":"Isfahan University of Medical Sciences","host_organization_lineage":["https://openalex.org/P4310319032"],"host_organization_lineage_names":["Isfahan University of Medical Sciences"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Medical Signals &amp; Sensors","raw_type":"journal-article"},{"id":"pmid:40421237","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/40421237","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,"listed_in":[],"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":"Journal of medical signals and sensors","raw_type":"Journal Article"},{"id":"pmh:oai:europepmc.org:10915096","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/12105807","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:12105807","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/12105807","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,"listed_in":[],"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-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"J Med Signals Sens","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:35699034681040fabf471f8cf50a8782","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/35699034681040fabf471f8cf50a8782","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,"listed_in":[],"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":"Journal of Medical Signals and Sensors, Vol 15, Iss 5, Pp 15-15 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.4103/jmss.jmss_48_24","doi":"https://doi.org/10.4103/jmss.jmss_48_24","is_oa":true,"landing_page_url":"https://doi.org/10.4103/jmss.jmss_48_24","pdf_url":null,"source":{"id":"https://openalex.org/S2764790739","display_name":"Journal of Medical Signals & Sensors","issn_l":"2228-7477","issn":["2228-7477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens"],"host_organization":"https://openalex.org/P4310319032","host_organization_name":"Isfahan University of Medical Sciences","host_organization_lineage":["https://openalex.org/P4310319032"],"host_organization_lineage_names":["Isfahan University of Medical Sciences"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Medical Signals &amp; Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.8371999859809875,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W188715143","https://openalex.org/W1973013964","https://openalex.org/W1974174011","https://openalex.org/W1980128087","https://openalex.org/W1981060678","https://openalex.org/W1985557519","https://openalex.org/W1996623766","https://openalex.org/W1998855654","https://openalex.org/W2026699230","https://openalex.org/W2047654858","https://openalex.org/W2054397214","https://openalex.org/W2085844694","https://openalex.org/W2091804602","https://openalex.org/W2092890379","https://openalex.org/W2130124185","https://openalex.org/W2149524005","https://openalex.org/W2327777048","https://openalex.org/W2438173235","https://openalex.org/W2594994220","https://openalex.org/W2597030353","https://openalex.org/W2892692472","https://openalex.org/W2901343275","https://openalex.org/W2903404864","https://openalex.org/W2909619163","https://openalex.org/W2955941909","https://openalex.org/W2980101387","https://openalex.org/W2980881910","https://openalex.org/W3201174872","https://openalex.org/W4224252572","https://openalex.org/W4226048096","https://openalex.org/W4226164893","https://openalex.org/W4281697729","https://openalex.org/W4286001525","https://openalex.org/W4292997056","https://openalex.org/W4298287779","https://openalex.org/W4311912359","https://openalex.org/W4318262202","https://openalex.org/W4376101070","https://openalex.org/W4396508490","https://openalex.org/W6766088702"],"related_works":["https://openalex.org/W2135375667","https://openalex.org/W4323652357","https://openalex.org/W1542038854","https://openalex.org/W4236933654","https://openalex.org/W2008512696","https://openalex.org/W2916853706","https://openalex.org/W2018674345","https://openalex.org/W2469340274","https://openalex.org/W117824151","https://openalex.org/W1982027788"],"abstract_inverted_index":{"Background:":[0],"Functional":[1],"near-infrared":[2],"spectroscopy":[3],"(fNIRS)":[4],"is":[5],"a":[6,26,45,59,77,107,119,134,159],"valuable":[7,36],"neuroimaging":[8],"tool":[9,161],"that":[10,183],"captures":[11],"cerebral":[12],"hemodynamic":[13],"during":[14,118],"various":[15],"brain":[16,170],"tasks.":[17],"However,":[18],"fNIRS":[19,56,157],"data":[20,126],"usually":[21],"suffer":[22],"physiological":[23,31,37],"artifacts.":[24],"As":[25],"matter":[27],"of":[28,73,90,100,123,165],"fact,":[29],"these":[30],"artifacts":[32],"are":[33],"rich":[34],"in":[35,96],"information.":[38],"Methods:":[39],"Leveraging":[40],"this,":[41],"our":[42],"study":[43,155],"presents":[44],"novel":[46,78],"algorithm":[47],"for":[48,129,147,162,177,196],"extracting":[49],"heart":[50,74,166],"and":[51,104,145,167,189,194],"respiratory":[52,190],"rates":[53],"(RRs)":[54],"from":[55,115],"signals":[57],"using":[58,106],"nonstationary,":[60],"nonlinear":[61],"filtering":[62],"approach":[63],"called":[64],"cumulative":[65],"curve":[66],"fitting":[67,84],"approximation.":[68],"To":[69],"enhance":[70],"the":[71,88,91,124,130,139,175],"accuracy":[72],"peak":[75],"localization,":[76],"real-time":[79],"method":[80],"based":[81],"on":[82],"polynomial":[83],"was":[85],"implemented,":[86],"addressing":[87],"limitations":[89],"10":[92],"Hz":[93],"temporal":[94],"resolution":[95],"fNIRS.":[97],"Simultaneous":[98],"recordings":[99],"fNIRS,":[101],"electrocardiogram":[102],"(ECG),":[103],"respiration":[105,120],"chest":[108],"band":[109],"strain":[110],"gauge":[111],"sensor":[112],"were":[113,127,142],"obtained":[114],"15":[116],"subjects":[117,141],"task.":[121],"Two-thirds":[122],"subjects'":[125],"used":[128],"training":[131],"procedure,":[132],"employing":[133],"5-fold":[135],"cross-validation":[136],"approach,":[137],"while":[138],"remaining":[140],"completely":[143],"unseen":[144],"reserved":[146],"final":[148],"testing.":[149],"Results:":[150],">":[151],"0.05).":[152],"Conclusion:":[153],"This":[154],"highlights":[156],"as":[158],"powerful":[160],"noninvasive":[163],"extraction":[164],"RRs":[168],"alongside":[169],"signals.":[171],"The":[172],"findings":[173],"pave":[174],"way":[176],"developing":[178],"lightweight,":[179],"cost-effective":[180],"wearable":[181],"devices":[182],"can":[184],"simultaneously":[185],"monitor":[186],"hemodynamic,":[187],"heart,":[188],"activity,":[191],"enhancing":[192],"comfort":[193],"portability":[195],"health":[197],"monitoring":[198],"applications.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2025-10-10T00:00:00"}
