{"id":"https://openalex.org/W2023914420","doi":"https://doi.org/10.1109/icassp.2013.6637827","title":"Baseline regularized sparse spatial filters","display_name":"Baseline regularized sparse spatial filters","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2023914420","doi":"https://doi.org/10.1109/icassp.2013.6637827","mag":"2023914420"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2013.6637827","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6637827","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5105231625","display_name":"\u0130brahim Onaran","orcid":"https://orcid.org/0000-0002-7769-4077"},"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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ibrahim Onaran","raw_affiliation_strings":["University of Minnesota, Minneapolis, MN, US","Dept. of Neurosurg., Univ. of Minnesota, Minneapolis, MN, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota, Minneapolis, MN, US","institution_ids":["https://openalex.org/I130238516"]},{"raw_affiliation_string":"Dept. of Neurosurg., Univ. of Minnesota, Minneapolis, MN, USA","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007415393","display_name":"Nuri F. Ince","orcid":"https://orcid.org/0000-0003-4985-4528"},"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"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"N. Firat Ince","raw_affiliation_strings":["University of Minnesota, Minneapolis, MN, US","Dept. of Neurosurg., Univ. of Minnesota, Minneapolis, MN, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota, Minneapolis, MN, US","institution_ids":["https://openalex.org/I130238516"]},{"raw_affiliation_string":"Dept. of Neurosurg., Univ. of Minnesota, Minneapolis, MN, USA","institution_ids":["https://openalex.org/I130238516"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113644545","display_name":"A. Enis \u00c7etin","orcid":"https://orcid.org/0009-0009-7700-7124"},"institutions":[{"id":"https://openalex.org/I168864056","display_name":"Bilkent University","ror":"https://ror.org/02vh8a032","country_code":"TR","type":"education","lineage":["https://openalex.org/I168864056"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"A. Enis Cetin","raw_affiliation_strings":["Department of Electrical Engineering, Bilkent University, Ankara, Turkey","Dept. of Electr. Eng., Bilkent Univ., Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Bilkent University, Ankara, Turkey","institution_ids":["https://openalex.org/I168864056"]},{"raw_affiliation_string":"Dept. of Electr. Eng., Bilkent Univ., Ankara, Turkey","institution_ids":["https://openalex.org/I168864056"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":null,"first_page":"1133","last_page":"1137"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9979000091552734,"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":0.9972000122070312,"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/regularization","display_name":"Regularization (linguistics)","score":0.673377513885498},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5681726932525635},{"id":"https://openalex.org/keywords/stability","display_name":"Stability (learning theory)","score":0.5371229648590088},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5262443423271179},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.47095781564712524},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.43766483664512634},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4324846863746643},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.408990740776062},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3716364800930023},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2723548114299774},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.22306454181671143}],"concepts":[{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.673377513885498},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5681726932525635},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.5371229648590088},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5262443423271179},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.47095781564712524},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.43766483664512634},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4324846863746643},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.408990740776062},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3716364800930023},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2723548114299774},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.22306454181671143}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2013.6637827","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6637827","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.bilkent.edu.tr:11693/27970","is_oa":false,"landing_page_url":"http://hdl.handle.net/11693/27970","pdf_url":null,"source":{"id":"https://openalex.org/S4306400079","display_name":"Bilkent University Institutional Repository (Bilkent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I168864056","host_organization_name":"Bilkent University","host_organization_lineage":["https://openalex.org/I168864056"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1503768823","https://openalex.org/W1504194272","https://openalex.org/W1700600349","https://openalex.org/W1963881761","https://openalex.org/W2073989793","https://openalex.org/W2080199902","https://openalex.org/W2099509424","https://openalex.org/W2100409538","https://openalex.org/W2138145347","https://openalex.org/W2142280324","https://openalex.org/W2142492665","https://openalex.org/W2148980251","https://openalex.org/W2153635508","https://openalex.org/W2170317771","https://openalex.org/W2543036537","https://openalex.org/W6637430234","https://openalex.org/W6680599301","https://openalex.org/W6682133450"],"related_works":["https://openalex.org/W3151522584","https://openalex.org/W2351452215","https://openalex.org/W2617963432","https://openalex.org/W4254199101","https://openalex.org/W1497123311","https://openalex.org/W1670153145","https://openalex.org/W4236907339","https://openalex.org/W3202199134","https://openalex.org/W4300427796","https://openalex.org/W4287196534"],"abstract_inverted_index":{"The":[0,51],"common":[1],"spatial":[2,29,32],"pattern":[3],"(CSP)":[4],"method":[5,53,116],"has":[6],"large":[7,67],"number":[8,60,158],"of":[9,27,48,61,75,95,159],"applications":[10],"in":[11,86,100],"brain":[12],"machine":[13],"interfaces":[14],"(BMI)":[15],"to":[16,72,105,144,151,156],"extract":[17],"features":[18],"from":[19],"the":[20,35,40,45,49,56,59,93,145,157],"multichannel":[21,76],"neural":[22],"activity":[23],"through":[24],"a":[25,111,123,141],"set":[26],"linear":[28],"projections.":[30],"These":[31],"projections":[33],"minimize":[34],"Rayleigh":[36],"quotient":[37],"(RQ)":[38],"as":[39],"objective":[41,125],"function,":[42],"which":[43,79],"is":[44,64,70,98],"variance":[46],"ratio":[47],"classes.":[50],"CSP":[52],"easily":[54],"overfits":[55],"data":[57,147],"when":[58],"training":[62],"trials":[63],"not":[65],"sufficiently":[66],"and":[68],"it":[69],"sensitive":[71],"daily":[73],"variation":[74],"electrode":[77],"placement,":[78],"limits":[80],"its":[81],"applicability":[82],"for":[83],"everyday":[84],"use":[85],"BMI":[87],"systems.":[88],"To":[89],"overcome":[90],"these":[91],"problems,":[92],"amount":[94],"channels":[96],"that":[97,117],"used":[99],"projections,":[101],"should":[102],"be":[103],"limited":[104],"some":[106],"adequate":[107],"number.":[108],"We":[109,135],"introduce":[110],"spatially":[112],"sparse":[113,160],"projection":[114],"(SSP)":[115],"renders":[118],"unconstrained":[119],"minimization":[120],"possible":[121],"via":[122],"new":[124,138],"function":[126],"with":[127,140,154],"an":[128],"approximated":[129],"\u2113":[130],"<sub":[131],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[132],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">1</sub>":[133],"penalty.":[134],"apply":[136],"our":[137],"algorithm":[139],"baseline":[142],"regularization":[143],"ECoG":[146],"involving":[148],"finger":[149],"movements":[150],"gain":[152],"stability":[153],"respect":[155],"channels.":[161]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
