{"id":"https://openalex.org/W2088579092","doi":"https://doi.org/10.1109/urai.2011.6145846","title":"Feature extraction based on common spatial analysis for time domain parameters","display_name":"Feature extraction based on common spatial analysis for time domain parameters","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2088579092","doi":"https://doi.org/10.1109/urai.2011.6145846","mag":"2088579092"},"language":"en","primary_location":{"id":"doi:10.1109/urai.2011.6145846","is_oa":false,"landing_page_url":"https://doi.org/10.1109/urai.2011.6145846","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI)","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/A5100373638","display_name":"Xinyang Li","orcid":"https://orcid.org/0000-0001-6539-6542"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Xinyang Li","raw_affiliation_strings":["National University of Singapore, Singapore, SG","Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, SG","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008501506","display_name":"Shuzhi Sam Ge","orcid":"https://orcid.org/0000-0001-5549-312X"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Shuzhi Sam Ge","raw_affiliation_strings":["National University of Singapore, Singapore, SG","Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, SG","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109106833","display_name":"Yaozhang Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yaozhang Pan","raw_affiliation_strings":["Institute for Infocomm Research, Agency for Science, Technology and Research, Singapore","Institute for Infocomm Research, Agency for Science, Technology, and Research (A*STAR), Singapore 138632"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Agency for Science, Technology and Research, Singapore","institution_ids":["https://openalex.org/I115228651","https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Institute for Infocomm Research, Agency for Science, Technology, and Research (A*STAR), Singapore 138632","institution_ids":["https://openalex.org/I115228651","https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021609168","display_name":"Keum\u2010Shik Hong","orcid":"https://orcid.org/0000-0002-8528-4457"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Keum-Shik Hong","raw_affiliation_strings":["Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, South Korea","Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, Korea 609735"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, South Korea","institution_ids":["https://openalex.org/I4921948"]},{"raw_affiliation_string":"Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, Korea 609735","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057050780","display_name":"Zhengchen Zhang","orcid":"https://orcid.org/0009-0005-4225-3537"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Zhengchen Zhang","raw_affiliation_strings":["National University of Singapore, Singapore, SG","Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, SG","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Social Robotics Laboratory, Interactive Digital Media Institute, National University of Singapore, Singapore, 119077","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085337693","display_name":"Xiaosu Hu","orcid":"https://orcid.org/0000-0003-1401-000X"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Xiaosu Hu","raw_affiliation_strings":["Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, South Korea","Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, Korea 609735"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, South Korea","institution_ids":["https://openalex.org/I4921948"]},{"raw_affiliation_string":"Cognitive Science Laboratory, Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, Korea 609735","institution_ids":["https://openalex.org/I4921948"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"19","issue":null,"first_page":"377","last_page":"382"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9937000274658203,"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/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.7358826994895935},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.7250471115112305},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7080166339874268},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6627678871154785},{"id":"https://openalex.org/keywords/quadratic-classifier","display_name":"Quadratic classifier","score":0.6333385109901428},{"id":"https://openalex.org/keywords/linear-discriminant-analysis","display_name":"Linear discriminant analysis","score":0.6258443593978882},{"id":"https://openalex.org/keywords/logarithm","display_name":"Logarithm","score":0.5604307651519775},{"id":"https://openalex.org/keywords/motor-imagery","display_name":"Motor imagery","score":0.5379356145858765},{"id":"https://openalex.org/keywords/discriminant","display_name":"Discriminant","score":0.4843117296695709},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.47653111815452576},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.47585269808769226},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4310567080974579},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4232056736946106},{"id":"https://openalex.org/keywords/spatial-filter","display_name":"Spatial filter","score":0.4136171042919159},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.348794162273407},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.34352821111679077},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28381240367889404},{"id":"https://openalex.org/keywords/brain\u2013computer-interface","display_name":"Brain\u2013computer interface","score":0.21706914901733398},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.18742457032203674},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.07775738835334778}],"concepts":[{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.7358826994895935},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.7250471115112305},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7080166339874268},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6627678871154785},{"id":"https://openalex.org/C52620605","wikidata":"https://www.wikidata.org/wiki/Q7268357","display_name":"Quadratic classifier","level":3,"score":0.6333385109901428},{"id":"https://openalex.org/C69738355","wikidata":"https://www.wikidata.org/wiki/Q1228929","display_name":"Linear discriminant analysis","level":2,"score":0.6258443593978882},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.5604307651519775},{"id":"https://openalex.org/C54808283","wikidata":"https://www.wikidata.org/wiki/Q6918191","display_name":"Motor imagery","level":4,"score":0.5379356145858765},{"id":"https://openalex.org/C78397625","wikidata":"https://www.wikidata.org/wiki/Q192487","display_name":"Discriminant","level":2,"score":0.4843117296695709},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.47653111815452576},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.47585269808769226},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4310567080974579},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4232056736946106},{"id":"https://openalex.org/C121475858","wikidata":"https://www.wikidata.org/wiki/Q2735911","display_name":"Spatial filter","level":2,"score":0.4136171042919159},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.348794162273407},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.34352821111679077},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28381240367889404},{"id":"https://openalex.org/C173201364","wikidata":"https://www.wikidata.org/wiki/Q897410","display_name":"Brain\u2013computer interface","level":3,"score":0.21706914901733398},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.18742457032203674},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.07775738835334778},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/urai.2011.6145846","is_oa":false,"landing_page_url":"https://doi.org/10.1109/urai.2011.6145846","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI)","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/70323","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/70323","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","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":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7300000190734863}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1547702425","https://openalex.org/W1985963135","https://openalex.org/W1995506038","https://openalex.org/W2010371409","https://openalex.org/W2025622264","https://openalex.org/W2028095861","https://openalex.org/W2035868320","https://openalex.org/W2058722442","https://openalex.org/W2059915684","https://openalex.org/W2074479408","https://openalex.org/W2089421806","https://openalex.org/W2098281776","https://openalex.org/W2099509424","https://openalex.org/W2102999207","https://openalex.org/W2106006415","https://openalex.org/W2119234283","https://openalex.org/W2119985669","https://openalex.org/W2128404967","https://openalex.org/W2134050473","https://openalex.org/W2142280324","https://openalex.org/W2158200023","https://openalex.org/W2167334234","https://openalex.org/W2167586006","https://openalex.org/W6674454240"],"related_works":["https://openalex.org/W2113454941","https://openalex.org/W2951122819","https://openalex.org/W2350751952","https://openalex.org/W1999647744","https://openalex.org/W2362114017","https://openalex.org/W2088711785","https://openalex.org/W3147024994","https://openalex.org/W2411585343","https://openalex.org/W4285246984","https://openalex.org/W2075660794"],"abstract_inverted_index":{"In":[0],"this":[1,33,134],"paper,":[2],"an":[3],"approach":[4,22,87],"of":[5,38,52,55,91,116],"feature":[6,75],"extraction":[7],"by":[8],"designing":[9],"common":[10,45],"spatial":[11,46],"filters":[12],"specifically":[13],"for":[14],"time":[15],"domain":[16],"parameters":[17],"(TDP)":[18],"is":[19,23,71,120],"proposed.":[20],"This":[21],"aiming":[24],"at":[25],"motor":[26,135],"imagery":[27,136],"detection":[28],"in":[29,133],"electroencephalogram":[30],"(EEG).":[31],"Particularly,":[32],"method":[34,107,128],"calculates":[35],"the":[36,39,56,74,79,105,113,126],"derivatives":[37],"original":[40],"signals":[41],"and":[42,77,95,102,108],"then":[43],"applies":[44],"analysis":[47,69,111],"(CSP)":[48],"to":[49,73,112],"each":[50],"order":[51],"derivatives.":[53],"Variances":[54],"spatially":[57],"filtered":[58],"signal":[59,118],"after":[60],"taking":[61],"logarithm":[62],"are":[63],"used":[64],"as":[65],"features.":[66],"Quadratic":[67],"discriminant":[68,131],"(QDA)":[70],"applied":[72],"vectors":[76,80],"classifies":[78],"into":[81],"different":[82],"categories.":[83],"We":[84],"evaluate":[85],"our":[86],"using":[88],"data":[89],"consisting":[90],"two":[92],"classes:":[93],"left-hand":[94],"right-hand":[96],"movement":[97],"imageries":[98],"from":[99],"three":[100],"subjects,":[101],"comparison":[103],"between":[104],"proposed":[106,127],"applying":[109],"CSP":[110],"whole":[114],"set":[115],"EEG":[117],"directly":[119],"presented.":[121],"Our":[122],"results":[123],"show":[124],"that":[125],"generates":[129],"more":[130],"features":[132],"classification":[137],"issue.":[138]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
