{"id":"https://openalex.org/W4413319552","doi":"https://doi.org/10.1109/metroind4.0iot66048.2025.11122086","title":"Influence of Sampling Frequency on the Symmetric Projection Attractor Reconstruction","display_name":"Influence of Sampling Frequency on the Symmetric Projection Attractor Reconstruction","publication_year":2025,"publication_date":"2025-07-01","ids":{"openalex":"https://openalex.org/W4413319552","doi":"https://doi.org/10.1109/metroind4.0iot66048.2025.11122086"},"language":"en","primary_location":{"id":"doi:10.1109/metroind4.0iot66048.2025.11122086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/metroind4.0iot66048.2025.11122086","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Workshop on Metrology for Industry 4.0 & IoT (MetroInd4.0 & IoT)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5119347553","display_name":"Moscol Albanil Isabel Del Pilar","orcid":null},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Moscol Albanil Isabel Del Pilar","raw_affiliation_strings":["Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy","institution_ids":["https://openalex.org/I155125353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015119343","display_name":"Chiara Romano","orcid":"https://orcid.org/0000-0003-3525-0213"},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Chiara Romano","raw_affiliation_strings":["Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy","institution_ids":["https://openalex.org/I155125353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074158255","display_name":"Mariangela Pinnelli","orcid":null},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Mariangela Pinnelli","raw_affiliation_strings":["Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy","institution_ids":["https://openalex.org/I155125353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047503445","display_name":"Annunziata Nusca","orcid":"https://orcid.org/0000-0002-5616-3197"},"institutions":[{"id":"https://openalex.org/I4210143387","display_name":"Campus Bio Medico University Hospital","ror":"https://ror.org/04gqbd180","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210143387"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Annunziata Nusca","raw_affiliation_strings":["Fondazione Policlinico Universitario Campus Bio-Medico,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fondazione Policlinico Universitario Campus Bio-Medico,Rome,Italy","institution_ids":["https://openalex.org/I4210143387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038080889","display_name":"Gian Paolo Ussia","orcid":"https://orcid.org/0000-0001-8849-3097"},"institutions":[{"id":"https://openalex.org/I4210143387","display_name":"Campus Bio Medico University Hospital","ror":"https://ror.org/04gqbd180","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210143387"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gian Paolo Ussia","raw_affiliation_strings":["Fondazione Policlinico Universitario Campus Bio-Medico,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fondazione Policlinico Universitario Campus Bio-Medico,Rome,Italy","institution_ids":["https://openalex.org/I4210143387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026033118","display_name":"Emiliano Schena","orcid":"https://orcid.org/0000-0002-9696-1265"},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Emiliano Schena","raw_affiliation_strings":["Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy","institution_ids":["https://openalex.org/I155125353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048168670","display_name":"Carlo Massaroni","orcid":"https://orcid.org/0000-0002-3090-5623"},"institutions":[{"id":"https://openalex.org/I155125353","display_name":"Universit\u00e0 Campus Bio-Medico","ror":"https://ror.org/04gqx4x78","country_code":"IT","type":"education","lineage":["https://openalex.org/I155125353"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Carlo Massaroni","raw_affiliation_strings":["Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Università Campus Bio-Medico di Roma,Department of Engineering,Rome,Italy","institution_ids":["https://openalex.org/I155125353"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"312","last_page":"317"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9010000228881836,"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"}},"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9010000228881836,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5237783789634705},{"id":"https://openalex.org/keywords/attractor","display_name":"Attractor","score":0.5183728337287903},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4855601489543915},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.4190866947174072},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40246322751045227},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.29313626885414124},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2787171006202698},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2645043730735779}],"concepts":[{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5237783789634705},{"id":"https://openalex.org/C164380108","wikidata":"https://www.wikidata.org/wiki/Q507187","display_name":"Attractor","level":2,"score":0.5183728337287903},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4855601489543915},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.4190866947174072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40246322751045227},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.29313626885414124},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2787171006202698},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2645043730735779},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/metroind4.0iot66048.2025.11122086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/metroind4.0iot66048.2025.11122086","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Workshop on Metrology for Industry 4.0 & IoT (MetroInd4.0 & IoT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320307930","display_name":"Interface","ror":"https://ror.org/04nvtmr42"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2785544921","https://openalex.org/W2803038464","https://openalex.org/W2896674935","https://openalex.org/W2966539497","https://openalex.org/W3019231063","https://openalex.org/W3213109812","https://openalex.org/W4212951433","https://openalex.org/W4256292597","https://openalex.org/W4303613760","https://openalex.org/W4319033775","https://openalex.org/W4321482187","https://openalex.org/W4389542251","https://openalex.org/W4391306884","https://openalex.org/W4398151436","https://openalex.org/W4400449564","https://openalex.org/W4401009455","https://openalex.org/W4401296589","https://openalex.org/W4405180246","https://openalex.org/W4405434857","https://openalex.org/W4409327336"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4391375266","https://openalex.org/W3049714198","https://openalex.org/W2960434112","https://openalex.org/W1979597421","https://openalex.org/W2036805113","https://openalex.org/W2592279130","https://openalex.org/W2007980826","https://openalex.org/W2049158118"],"abstract_inverted_index":{"Seismocardiography":[0],"(SCG)":[1],"captures":[2],"cardiacinduced":[3],"chest":[4],"wall":[5],"vibrations,":[6],"offering":[7],"a":[8,57,188,219],"non-invasive":[9],"means":[10],"of":[11,17,82,168,181,229],"assessing":[12,65],"cardiac":[13],"function.":[14],"Accurate":[15],"interpretation":[16],"SCG":[18,62,92,238],"signals":[19],"relies":[20],"on":[21,84,235],"high-fidelity":[22],"recordings,":[23],"as":[24,286],"poor":[25],"signal":[26,33,93,239],"quality":[27,34,94,240],"can":[28],"lead":[29,140],"to":[30,39,87,109,124,141,184,209,292],"misdiagnoses.":[31],"Traditional":[32],"assessment":[35],"methods":[36],"often":[37],"fail":[38],"encapsulate":[40],"the":[41,69,80,165,178,201,214,227,236],"complex":[42],"waveform":[43,253,294],"dynamics":[44],"fully.":[45],"Symmetric":[46],"Projection":[47],"Attractor":[48],"Reconstruction":[49],"(SPAR)":[50],"analysis,":[51],"initially":[52],"proposed":[53],"for":[54,60,91,192,257],"electrocardiogram,":[55],"presents":[56],"novel":[58],"approach":[59],"visualizing":[61],"morphology":[63],"and":[64,103,117,128,144,196,205,247,270,289],"its":[66,89],"quality.":[67],"However,":[68],"sampling":[70],"frequency":[71,167],"(SF)":[72],"influences":[73],"SPAR":[74,85,283],"features\u2019":[75],"effectiveness.":[76],"This":[77],"study":[78],"investigates":[79],"impact":[81],"SF":[83,157,179,216,233],"features":[86,147,169,274],"validate":[88],"suitability":[90],"assessment.":[95,241],"Certain":[96],"commercial":[97],"wearable":[98],"devices":[99],"have":[100],"fixed":[101],"SFs,":[102],"understanding":[104],"these":[105],"effects":[106],"is":[107],"key":[108],"optimizing":[110],"acquisition":[111],"settings.":[112],"Pearson\u2019s":[113],"correlation":[114],"coefficient":[115],"$(r)$":[116],"Cohen\u2019s":[118],"d":[119],"effect":[120,190,222],"size":[121,191],"are":[122],"employed":[123],"evaluate":[125],"feature":[126,277],"consistency":[127],"discriminative":[129],"power":[130],"across":[131],"different":[132],"SFs.":[133],"The":[134,155],"analysis":[135],"reveals":[136],"that":[137,217],"higher":[138],"SFs":[139,244],"more":[142],"stable":[143],"less":[145],"randomized":[146],"in":[148,152],"good-quality":[149],"signals,":[150],"resulting":[151],"stronger":[153],"correlations.":[154],"highest":[156,166],"($\\mathbf{8":[158],"3":[159],"3}":[160],"\\mathbf{~":[161],"H":[162],"z}$)":[163],"yields":[164],"with":[170],"$|\\boldsymbol{r}|\\gt0.7$,":[171],"suggesting":[172],"improved":[173],"noise":[174],"pattern":[175],"discrimination.":[176],"Moreover,":[177],"range":[180],"104":[182],"Hz":[183,186],"416":[185],"demonstrates":[187],"large":[189,220],"distinguishing":[193],"between":[194,203],"good-":[195],"low-quality":[197],"signals.":[198],"In":[199],"contrast,":[200],"distinction":[202],"good":[204],"medium":[206],"remains":[207],"moderate":[208],"small,":[210],"being":[211],"833":[212],"Hz,":[213],"only":[215],"reached":[218],"average":[221],"size.":[223],"These":[224],"findings":[225],"underscore":[226],"importance":[228],"selecting":[230],"an":[231],"appropriate":[232],"based":[234],"desired":[237],"While":[242],"lower":[243],"reduce":[245],"storage":[246],"computational":[248],"demands,":[249],"they":[250],"may":[251,275],"limit":[252],"resolution,":[254],"necessitating":[255],"upsampling":[256],"further":[258],"analysis.":[259],"Feature":[260],"selection":[261],"techniques":[262],"could":[263],"optimize":[264],"dimensionality":[265],"without":[266],"sacrificing":[267],"classification":[268],"performance,":[269],"merging":[271],"RGB":[272],"channel":[273],"improve":[276],"relevance.":[278],"Future":[279],"work":[280],"should":[281],"explore":[282],"parameters,":[284],"such":[285],"time":[287],"delay":[288],"embedding":[290],"dimension,":[291],"enhance":[293],"representation.":[295]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}