{"id":"https://openalex.org/W2120696170","doi":"https://doi.org/10.1109/icassp.2009.4960291","title":"Sparse source separation from orthogonal mixtures","display_name":"Sparse source separation from orthogonal mixtures","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2120696170","doi":"https://doi.org/10.1109/icassp.2009.4960291","mag":"2120696170"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5013824899","display_name":"Moshe Mishali","orcid":"https://orcid.org/0000-0001-8735-2129"},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Moshe Mishali","raw_affiliation_strings":["Department of Electrical Engineering, Technion-Israel Institute of Technology, Haifa, Israel","Department of Electrical Engineering, Technion??Israel Institute of Technology, Haifa, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Technion-Israel Institute of Technology, Haifa, Israel","institution_ids":["https://openalex.org/I174306211"]},{"raw_affiliation_string":"Department of Electrical Engineering, Technion??Israel Institute of Technology, Haifa, Israel","institution_ids":["https://openalex.org/I174306211"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005913897","display_name":"Yonina C. Eldar","orcid":"https://orcid.org/0000-0003-4358-5304"},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Yonina C. Eldar","raw_affiliation_strings":["Department of Electrical Engineering, Technion-Israel Institute of Technology, Haifa, Israel","Department of Electrical Engineering, Technion??Israel Institute of Technology, Haifa, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Technion-Israel Institute of Technology, Haifa, Israel","institution_ids":["https://openalex.org/I174306211"]},{"raw_affiliation_string":"Department of Electrical Engineering, Technion??Israel Institute of Technology, Haifa, Israel","institution_ids":["https://openalex.org/I174306211"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5013824899"],"corresponding_institution_ids":["https://openalex.org/I174306211"],"apc_list":null,"apc_paid":null,"fwci":1.4099,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81159518,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"6","issue":null,"first_page":"3145","last_page":"3148"},"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":0.9994999766349792,"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":0.9897000193595886,"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/orthogonality","display_name":"Orthogonality","score":0.8715558052062988},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6334567666053772},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.614436686038971},{"id":"https://openalex.org/keywords/mixing","display_name":"Mixing (physics)","score":0.5763724446296692},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5576730966567993},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.5552988648414612},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5233387351036072},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.5199588537216187},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.4690437912940979},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.45914363861083984},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.451481431722641},{"id":"https://openalex.org/keywords/separation","display_name":"Separation (statistics)","score":0.4470349848270416},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4453314244747162},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4156429171562195},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25646793842315674},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.19025930762290955},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.07785657048225403}],"concepts":[{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.8715558052062988},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6334567666053772},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.614436686038971},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.5763724446296692},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5576730966567993},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.5552988648414612},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5233387351036072},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.5199588537216187},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.4690437912940979},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.45914363861083984},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.451481431722641},{"id":"https://openalex.org/C2776061190","wikidata":"https://www.wikidata.org/wiki/Q7451805","display_name":"Separation (statistics)","level":2,"score":0.4470349848270416},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4453314244747162},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4156429171562195},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25646793842315674},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.19025930762290955},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.07785657048225403},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2009.4960291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1563800729","https://openalex.org/W1951629768","https://openalex.org/W2038237443","https://openalex.org/W2105454037","https://openalex.org/W2111136894","https://openalex.org/W2120696170","https://openalex.org/W2137335629","https://openalex.org/W2148049151","https://openalex.org/W2155981690","https://openalex.org/W6633621281","https://openalex.org/W6641083772","https://openalex.org/W6681910005"],"related_works":["https://openalex.org/W2132548659","https://openalex.org/W1509813908","https://openalex.org/W2031820693","https://openalex.org/W2383360070","https://openalex.org/W2889447638","https://openalex.org/W1910172735","https://openalex.org/W2118307209","https://openalex.org/W2107364365","https://openalex.org/W2107688514","https://openalex.org/W2137288760"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"source":[3,12,103],"separation":[4,24,104],"from":[5],"a":[6,26,68,108],"linear":[7],"mixture":[8],"under":[9],"two":[10],"assumptions:":[11],"sparsity":[13,38],"and":[14,106],"orthogonality":[15,46],"of":[16,40,82,90],"the":[17,30,37,41,45,49,52,58,80,83],"mixing":[18],"matrix.":[19],"We":[20,65],"propose":[21],"efficient":[22],"sparse":[23],"via":[25],"two-stage":[27],"process.":[28],"In":[29,48],"first":[31],"stage":[32],"we":[33],"attempt":[34],"to":[35,56,78],"recover":[36],"pattern":[39],"sources":[42],"by":[43],"exploiting":[44],"prior.":[47],"second":[50],"stage,":[51],"support":[53],"is":[54],"used":[55],"reformulate":[57],"recovery":[59,97],"task":[60],"as":[61,93,95],"an":[62],"optimization":[63],"problem.":[64],"then":[66],"suggest":[67],"solution":[69],"based":[70],"on":[71],"alternating":[72],"minimization.":[73],"Random":[74],"simulations":[75,87],"are":[76],"performed":[77],"analyze":[79],"behavior":[81],"resulting":[84],"algorithm.":[85],"The":[86],"demonstrate":[88],"convergence":[89],"our":[91],"approach":[92],"well":[94],"superior":[96],"rate":[98],"in":[99,111],"comparison":[100],"with":[101],"alternative":[102],"methods":[105],"K-SVD,":[107],"leading":[109],"algorithm":[110],"dictionary":[112],"learning.":[113]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}