{"id":"https://openalex.org/W2114754858","doi":"https://doi.org/10.1109/iscas.2005.1465929","title":"Gradient-Based Methods for Simultaneous Blind Separation of Mixed Source Signals","display_name":"Gradient-Based Methods for Simultaneous Blind Separation of Mixed Source Signals","publication_year":2005,"publication_date":"2005-07-27","ids":{"openalex":"https://openalex.org/W2114754858","doi":"https://doi.org/10.1109/iscas.2005.1465929","mag":"2114754858"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2005.1465929","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2005.1465929","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"},"type":"article","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/A5107346944","display_name":"Sanqing Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Sanqing Hu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004057129","display_name":"Derong Liu","orcid":"https://orcid.org/0000-0003-3715-4778"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Derong Liu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100625792","display_name":"Huaguang Zhang","orcid":"https://orcid.org/0000-0002-2375-9824"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaguang Zhang","raw_affiliation_strings":["School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","School of Information Science and Engineering, Northeastern University,Shenyang,Liaoning,China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"School of Information Science and Engineering, Northeastern University,Shenyang,Liaoning,China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107346944","display_name":"Sanqing Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sanqing Hu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004057129","display_name":"Derong Liu","orcid":"https://orcid.org/0000-0003-3715-4778"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Derong Liu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng.,, Illinois Univ., Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100625792","display_name":"Huaguang Zhang","orcid":"https://orcid.org/0000-0002-2375-9824"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaguang Zhang","raw_affiliation_strings":["School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","School of Information Science and Engineering, Northeastern University,Shenyang,Liaoning,China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"School of Information Science and Engineering, Northeastern University,Shenyang,Liaoning,China","institution_ids":["https://openalex.org/I9224756"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5107346944"],"corresponding_institution_ids":["https://openalex.org/I39422238"],"apc_list":null,"apc_paid":null,"fwci":0.3179,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.58697502,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":null,"first_page":"5690","last_page":"5693"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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":1.0,"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/T10860","display_name":"Speech and Audio Processing","score":0.9850999712944031,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9801999926567078,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.8524399399757385},{"id":"https://openalex.org/keywords/cumulant","display_name":"Cumulant","score":0.6008591651916504},{"id":"https://openalex.org/keywords/mixing","display_name":"Mixing (physics)","score":0.5943353772163391},{"id":"https://openalex.org/keywords/separable-space","display_name":"Separable space","score":0.5399316549301147},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5340254306793213},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5224013328552246},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.5202540159225464},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5178318619728088},{"id":"https://openalex.org/keywords/gradient-method","display_name":"Gradient method","score":0.5089099407196045},{"id":"https://openalex.org/keywords/higher-order-statistics","display_name":"Higher-order statistics","score":0.49633151292800903},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.4738334119319916},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.43413469195365906},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.41108062863349915},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3572589159011841},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.31526702642440796},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18280217051506042},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13505962491035461},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.13043543696403503},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08540108799934387},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08391708135604858},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.08371353149414062}],"concepts":[{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.8524399399757385},{"id":"https://openalex.org/C172686274","wikidata":"https://www.wikidata.org/wiki/Q746007","display_name":"Cumulant","level":2,"score":0.6008591651916504},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.5943353772163391},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.5399316549301147},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5340254306793213},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5224013328552246},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.5202540159225464},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5178318619728088},{"id":"https://openalex.org/C115680565","wikidata":"https://www.wikidata.org/wiki/Q5977448","display_name":"Gradient method","level":2,"score":0.5089099407196045},{"id":"https://openalex.org/C2780576426","wikidata":"https://www.wikidata.org/wiki/Q5757980","display_name":"Higher-order statistics","level":4,"score":0.49633151292800903},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.4738334119319916},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.43413469195365906},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41108062863349915},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3572589159011841},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.31526702642440796},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18280217051506042},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13505962491035461},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.13043543696403503},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08540108799934387},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08391708135604858},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.08371353149414062},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2005.1465929","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2005.1465929","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1977067929","https://openalex.org/W1996355918","https://openalex.org/W2046513212","https://openalex.org/W2050616618","https://openalex.org/W2088881802","https://openalex.org/W2102029306","https://openalex.org/W2118994981","https://openalex.org/W2123649031","https://openalex.org/W2124757684","https://openalex.org/W2141224535","https://openalex.org/W2142519358","https://openalex.org/W2155759219","https://openalex.org/W2164910372","https://openalex.org/W2170983931"],"related_works":["https://openalex.org/W2390344110","https://openalex.org/W2364896863","https://openalex.org/W2361066326","https://openalex.org/W2046761971","https://openalex.org/W2182042810","https://openalex.org/W2156932837","https://openalex.org/W2380698615","https://openalex.org/W374502268","https://openalex.org/W2103029460","https://openalex.org/W2356479045"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"gradient-based":[3,58,66],"methods":[4,59,67],"for":[5],"simultaneous":[6],"blind":[7],"separation":[8],"of":[9,78],"arbitrarily":[10],"mixed":[11],"source":[12],"signals.":[13],"We":[14],"consider":[15],"the":[16,20,54,76],"regular":[17],"case":[18],"where":[19],"mixing":[21],"matrix":[22],"has":[23],"full":[24],"column":[25],"rank":[26],"as":[27,29],"well":[28],"ill-conditioned":[30],"cases.":[31],"Two":[32],"cost":[33,55],"functions":[34],"based":[35],"on":[36],"fourth-order":[37],"cumulants":[38],"are":[39,60,68],"introduced":[40],"to":[41,70],"simultaneously":[42],"separate":[43],"all":[44,49],"separable":[45],"single":[46],"sources":[47],"and":[48],"inseparable":[50],"mixtures.":[51],"By":[52],"minimizing":[53],"functions,":[56],"two":[57],"developed.":[61],"Our":[62],"algorithms":[63],"derived":[64],"from":[65],"guaranteed":[69],"converge.":[71],"Finally,":[72],"simulation":[73],"results":[74],"show":[75],"effectiveness":[77],"our":[79],"methods.":[80]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}