{"id":"https://openalex.org/W2084346535","doi":"https://doi.org/10.1155/2007/61916","title":"A Subspace Method for Dynamical Estimation of Evoked Potentials","display_name":"A Subspace Method for Dynamical Estimation of Evoked Potentials","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2084346535","doi":"https://doi.org/10.1155/2007/61916","mag":"2084346535","pmid":"https://pubmed.ncbi.nlm.nih.gov/18288257"},"language":"en","primary_location":{"id":"doi:10.1155/2007/61916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/61916","pdf_url":"https://downloads.hindawi.com/journals/cin/2007/061916.pdf","source":{"id":"https://openalex.org/S72372694","display_name":"Computational Intelligence and Neuroscience","issn_l":"1687-5265","issn":["1687-5265","1687-5273"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Intelligence and Neuroscience","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://downloads.hindawi.com/journals/cin/2007/061916.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047463768","display_name":"Stefanos Georgiadis","orcid":"https://orcid.org/0000-0002-3136-9447"},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Stefanos D. Georgiadis","raw_affiliation_strings":["Department of Physics, University of Kuopio, P.O. Box 1627, 70211 Kuopio, Finland. stefanos.georgiadis@uku.fi","Department of Physics, University of Kuopio, Kuopio, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Kuopio, P.O. Box 1627, 70211 Kuopio, Finland. stefanos.georgiadis@uku.fi","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics, University of Kuopio, Kuopio, Finland","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071073125","display_name":"Perttu Ranta-aho","orcid":"https://orcid.org/0009-0007-2537-8834"},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Perttu O. Ranta-aho","raw_affiliation_strings":["Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","Department of Physics, University of Kuopio, Kuopio, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics, University of Kuopio, Kuopio, Finland","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035530541","display_name":"Mika P. Tarvainen","orcid":"https://orcid.org/0000-0001-8686-5395"},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mika P. Tarvainen","raw_affiliation_strings":["Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","Department of Physics, University of Kuopio, Kuopio, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics, University of Kuopio, Kuopio, Finland","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006622916","display_name":"Pasi A. Karjalainen","orcid":"https://orcid.org/0000-0002-1267-493X"},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Pasi A. Karjalainen","raw_affiliation_strings":["Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","Department of Physics, University of Kuopio, Kuopio, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Kuopio, P.O.Box 1627, Kuopio 70211, Finland","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics, University of Kuopio, Kuopio, Finland","institution_ids":["https://openalex.org/I175532246"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2100,"currency":"USD","value_usd":2100},"apc_paid":{"value":2100,"currency":"USD","value_usd":2100},"fwci":0.9765,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.7598966,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"2007","issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.7481958270072937},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.7028856873512268},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5856742262840271},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.5770508646965027},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.5733989477157593},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.5177716016769409},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.5048140287399292},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4289153814315796},{"id":"https://openalex.org/keywords/eigendecomposition-of-a-matrix","display_name":"Eigendecomposition of a matrix","score":0.42006608843803406},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.416969358921051},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36939841508865356},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35457709431648254},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3341606855392456},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.28455638885498047},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.11496859788894653},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.09340175986289978}],"concepts":[{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.7481958270072937},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.7028856873512268},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5856742262840271},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.5770508646965027},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.5733989477157593},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.5177716016769409},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.5048140287399292},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4289153814315796},{"id":"https://openalex.org/C169756996","wikidata":"https://www.wikidata.org/wiki/Q194919","display_name":"Eigendecomposition of a matrix","level":3,"score":0.42006608843803406},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.416969358921051},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36939841508865356},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35457709431648254},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3341606855392456},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.28455638885498047},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.11496859788894653},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.09340175986289978},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1155/2007/61916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/61916","pdf_url":"https://downloads.hindawi.com/journals/cin/2007/061916.pdf","source":{"id":"https://openalex.org/S72372694","display_name":"Computational Intelligence and Neuroscience","issn_l":"1687-5265","issn":["1687-5265","1687-5273"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Intelligence and Neuroscience","raw_type":"journal-article"},{"id":"pmid:18288257","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18288257","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":"Computational intelligence and neuroscience","raw_type":null},{"id":"pmh:oai:doaj.org/article:138bf56b4b504e4ebbfbb4fbdd4c6478","is_oa":false,"landing_page_url":"https://doaj.org/article/138bf56b4b504e4ebbfbb4fbdd4c6478","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Computational Intelligence and Neuroscience, Vol 2007 (2007)","raw_type":"article"},{"id":"pmh:oai:pubmedcentral.nih.gov:2233897","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/2233897","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":"Comput Intell Neurosci","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1155/2007/61916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/61916","pdf_url":"https://downloads.hindawi.com/journals/cin/2007/061916.pdf","source":{"id":"https://openalex.org/S72372694","display_name":"Computational Intelligence and Neuroscience","issn_l":"1687-5265","issn":["1687-5265","1687-5273"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Intelligence and Neuroscience","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2084346535.pdf","grobid_xml":"https://content.openalex.org/works/W2084346535.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1489793438","https://openalex.org/W1514159701","https://openalex.org/W1531455566","https://openalex.org/W1548802052","https://openalex.org/W1964128972","https://openalex.org/W1977012862","https://openalex.org/W1978627406","https://openalex.org/W1985764094","https://openalex.org/W1999312829","https://openalex.org/W2003139313","https://openalex.org/W2015442582","https://openalex.org/W2016468876","https://openalex.org/W2016479629","https://openalex.org/W2056611024","https://openalex.org/W2076980557","https://openalex.org/W2078012345","https://openalex.org/W2094227853","https://openalex.org/W2096725681","https://openalex.org/W2098753649","https://openalex.org/W2120768649","https://openalex.org/W2130028041","https://openalex.org/W2147322748","https://openalex.org/W2148215739","https://openalex.org/W2148694408","https://openalex.org/W2153134014","https://openalex.org/W2154330636","https://openalex.org/W2157659878","https://openalex.org/W2160704933","https://openalex.org/W2798909945"],"related_works":["https://openalex.org/W2379264914","https://openalex.org/W2153912708","https://openalex.org/W2118094278","https://openalex.org/W2639400695","https://openalex.org/W3126343058","https://openalex.org/W2949173582","https://openalex.org/W4300048032","https://openalex.org/W2367577754","https://openalex.org/W2387532542","https://openalex.org/W2089410207"],"abstract_inverted_index":{"It":[0],"is":[1,37,110],"a":[2,84,154],"challenge":[3],"in":[4,114],"evoked":[5],"potential":[6],"(EP)":[7],"analysis":[8,151],"to":[9,95,111],"incorporate":[10],"prior":[11,60],"physiological":[12],"knowledge":[13],"for":[14,49],"estimation.":[15,28],"In":[16],"this":[17],"paper,":[18],"we":[19],"address":[20],"the":[21,35,89,103,128,137,140,158],"problem":[22],"of":[23,34,41,67,88,99,102,116,130,139,148],"single-channel":[24],"trial-to-trial":[25],"EP":[26,144],"characteristics":[27],"Prior":[29],"information":[30,61],"about":[31],"phase-locked":[32],"properties":[33],"EPs":[36],"assesed":[38],"by":[39,65,146],"means":[40,66,147],"estimated":[42],"signal":[43,141],"subspace":[44,142],"and":[45,70,79,105,120,143],"eigenvalue":[46],"decomposition.":[47],"Then":[48],"those":[50],"situations":[51],"that":[52,83,106],"dynamic":[53],"fluctuations":[54],"from":[55],"stimulus-to-stimulus":[56],"could":[57],"be":[58,63,112],"expected,":[59],"can":[62],"exploited":[64],"state-space":[68],"modeling":[69],"recursive":[71],"Bayesian":[72],"mean":[73,121],"square":[74,122],"estimation":[75],"methods":[76],"(Kalman":[77],"filtering":[78],"smoothing).":[80],"We":[81,125],"demonstrate":[82,127],"few":[85],"dominant":[86],"eigenvectors":[87],"data":[90],"correlation":[91],"matrix":[92],"are":[93],"able":[94],"model":[96],"trend-like":[97],"changes":[98],"some":[100],"component":[101,150],"EPs,":[104],"Kalman":[107],"smoother":[108],"algorithm":[109],"preferred":[113],"terms":[115],"better":[117],"tracking":[118],"capabilities":[119],"error":[123],"reduction.":[124],"also":[126],"effect":[129],"strong":[131],"artifacts,":[132],"particularly":[133],"eye":[134],"blinks,":[135],"on":[136,157],"quality":[138],"estimates":[145],"independent":[149],"applied":[152],"as":[153],"prepossessing":[155],"step":[156],"multichannel":[159],"measurements.":[160]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}