{"id":"https://openalex.org/W2980149315","doi":"https://doi.org/10.1109/embc.2019.8857560","title":"Blind Source Separation of Different Retinal Pulsatile Patterns from Simultaneous Long-term Binocular Ophthalmoscopic Video-records","display_name":"Blind Source Separation of Different Retinal Pulsatile Patterns from Simultaneous Long-term Binocular Ophthalmoscopic Video-records","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2980149315","doi":"https://doi.org/10.1109/embc.2019.8857560","mag":"2980149315","pmid":"https://pubmed.ncbi.nlm.nih.gov/31946918"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2019.8857560","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2019.8857560","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5024218948","display_name":"Ivana Labounkov\u00e1","orcid":"https://orcid.org/0000-0002-3754-7566"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Ivana Labounkova","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002585356","display_name":"Ren\u00e9 Labounek","orcid":"https://orcid.org/0000-0003-0439-1304"},"institutions":[{"id":"https://openalex.org/I70703428","display_name":"Palack\u00fd University Olomouc","ror":"https://ror.org/04qxnmv42","country_code":"CZ","type":"education","lineage":["https://openalex.org/I70703428"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Rene Labounek","raw_affiliation_strings":["Department of Neurology, Palack\u00fd University in Olomouc, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Neurology, Palack\u00fd University in Olomouc, Czech Republic","institution_ids":["https://openalex.org/I70703428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013925965","display_name":"Jan Odstr\u010dil\u00edk","orcid":"https://orcid.org/0000-0001-7053-6183"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jan Odstrcilik","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075012357","display_name":"Michal Hracho","orcid":null},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Michal Hracho","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074671101","display_name":"Igor Nestra\u0161il","orcid":"https://orcid.org/0000-0002-3833-1484"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]},{"id":"https://openalex.org/I4210158702","display_name":"Resonance Research (United States)","ror":"https://ror.org/05t871q54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210158702"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Igor Nestrasil","raw_affiliation_strings":["Department of Pediatrics and Center for Magnetic Resonance Research, University of Minnesota, MN, USA"],"affiliations":[{"raw_affiliation_string":"Department of Pediatrics and Center for Magnetic Resonance Research, University of Minnesota, MN, USA","institution_ids":["https://openalex.org/I4210158702","https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112302027","display_name":"Ralf P. Tornow","orcid":null},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ralf P. Tornow","raw_affiliation_strings":["Department of Ophthalmology, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Ophthalmology, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083548103","display_name":"Radim Kol\u00e1\u0159","orcid":"https://orcid.org/0000-0002-0469-6397"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Radim Kolar","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5024218948"],"corresponding_institution_ids":["https://openalex.org/I60587646"],"apc_list":null,"apc_paid":null,"fwci":0.2152,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56726995,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"18","issue":null,"first_page":"4729","last_page":"4732"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10250","display_name":"Glaucoma and retinal disorders","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"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/T10250","display_name":"Glaucoma and retinal disorders","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"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/T11438","display_name":"Retinal Imaging and Analysis","score":0.9958999752998352,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pulsatile-flow","display_name":"Pulsatile flow","score":0.6939286589622498},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.5262676477432251},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5165054202079773},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.48111480474472046},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.479855477809906},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.47275882959365845},{"id":"https://openalex.org/keywords/spatial-frequency","display_name":"Spatial frequency","score":0.45715802907943726},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.4462413787841797},{"id":"https://openalex.org/keywords/retinal","display_name":"Retinal","score":0.4447691738605499},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.41015076637268066},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38129740953445435},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3784429430961609},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2391347885131836},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.16475698351860046},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09720733761787415}],"concepts":[{"id":"https://openalex.org/C79191276","wikidata":"https://www.wikidata.org/wiki/Q7259620","display_name":"Pulsatile flow","level":2,"score":0.6939286589622498},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.5262676477432251},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5165054202079773},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.48111480474472046},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.479855477809906},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47275882959365845},{"id":"https://openalex.org/C100921725","wikidata":"https://www.wikidata.org/wiki/Q1650811","display_name":"Spatial frequency","level":2,"score":0.45715802907943726},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.4462413787841797},{"id":"https://openalex.org/C2780827179","wikidata":"https://www.wikidata.org/wiki/Q422001","display_name":"Retinal","level":2,"score":0.4447691738605499},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.41015076637268066},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38129740953445435},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3784429430961609},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2391347885131836},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.16475698351860046},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09720733761787415},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"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":"D009887","descriptor_name":"Ophthalmoscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009887","descriptor_name":"Ophthalmoscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009887","descriptor_name":"Ophthalmoscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009898","descriptor_name":"Optic Disk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009898","descriptor_name":"Optic Disk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009898","descriptor_name":"Optic Disk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012160","descriptor_name":"Retina","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D012160","descriptor_name":"Retina","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D012160","descriptor_name":"Retina","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D014741","descriptor_name":"Video Recording","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014741","descriptor_name":"Video Recording","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014741","descriptor_name":"Video Recording","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D019721","descriptor_name":"Ophthalmoscopes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019721","descriptor_name":"Ophthalmoscopes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019721","descriptor_name":"Ophthalmoscopes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2019.8857560","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2019.8857560","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:31946918","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31946918","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":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W843801464","https://openalex.org/W1555148682","https://openalex.org/W1940711074","https://openalex.org/W1982018296","https://openalex.org/W2013798364","https://openalex.org/W2017391795","https://openalex.org/W2019502123","https://openalex.org/W2030686296","https://openalex.org/W2033591919","https://openalex.org/W2041245457","https://openalex.org/W2044550447","https://openalex.org/W2049628730","https://openalex.org/W2074589937","https://openalex.org/W2091177453","https://openalex.org/W2092433290","https://openalex.org/W2131309429","https://openalex.org/W2160704933","https://openalex.org/W2171035961","https://openalex.org/W2179228454","https://openalex.org/W2396893767","https://openalex.org/W2519744027","https://openalex.org/W2740997129","https://openalex.org/W2783198578","https://openalex.org/W2901744396","https://openalex.org/W3213485293","https://openalex.org/W4239541213","https://openalex.org/W6726833163","https://openalex.org/W7010396764"],"related_works":["https://openalex.org/W2070116989","https://openalex.org/W1982466137","https://openalex.org/W4386383647","https://openalex.org/W2068076496","https://openalex.org/W111119222","https://openalex.org/W2082724546","https://openalex.org/W2085955295","https://openalex.org/W1981764441","https://openalex.org/W1998669242","https://openalex.org/W2890042967"],"abstract_inverted_index":{"Optical":[0],"imaging":[1,17],"of":[2,10,16,55,61,111,143],"retinal":[3],"hemodynamic":[4,70],"function":[5],"is":[6],"an":[7,56],"important":[8],"part":[9],"ophthalmologic":[11],"research.":[12],"Development":[13],"and":[14,19,46,59,91,106],"inventing":[15],"devices":[18],"data":[20],"analysis":[21],"methods":[22,79],"are":[23],"both":[24,88],"just":[25],"in":[26,53],"progress.":[27],"The":[28,137],"current":[29],"study":[30],"innovatively":[31],"implements":[32],"two":[33],"blind":[34],"source":[35],"separation":[36],"(BSS)":[37],"techniques":[38],"(i.e.":[39],"spatial":[40,47,83],"Principal":[41],"Component":[42,49],"Analysis":[43,50],"-":[44,51],"sPCA;":[45],"Independent":[48],"sICA)":[52],"application":[54],"automatic":[57],"detection":[58],"segmentation":[60],"a":[62,73,116,140],"distinct":[63],"Optic":[64],"Disc":[65],"(OD)":[66],"areas":[67],"with":[68,119],"different":[69,82],"properties":[71],"from":[72],"simultaneous":[74],"binocular":[75],"video-ophthalmoscopic":[76],"records.":[77],"Both":[78],"detected":[80],"3":[81],"patterns":[84,114],"mostly":[85],"symmetric":[86],"over":[87,93],"eyes":[89],"stable":[90],"reproducible":[92],"investigated":[94],"participants,":[95],"i.e.":[96],"central":[97],"Spontaneous":[98],"Vessel":[99],"Pulsations":[100],"(SVPs),":[101],"inner":[102],"OD":[103,108],"intensity":[104],"pulsations":[105],"other":[107],"pulsations.":[109],"Dynamics":[110],"all":[112],"mentioned":[113],"has":[115],"periodic":[117],"character":[118],"similar":[120],"main":[121],"frequency":[122],"(possibly":[123],"corresponding":[124],"to":[125],"subject-specific":[126],"heart":[127],"rate)":[128],"but":[129],"shifted":[130],"phase":[131,144],"decreasing":[132],"patterns'":[133],"mutual":[134],"high":[135],"cross-correlations.":[136],"sICA":[138],"estimates":[139],"higher":[141],"rate":[142],"shifts":[145],"than":[146],"sPCA.":[147]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}