{"id":"https://openalex.org/W2037504162","doi":"https://doi.org/10.1109/icdsp.2014.6900744","title":"Sparsity promoted non-negative matrix factorization for source separation and detection","display_name":"Sparsity promoted non-negative matrix factorization for source separation and detection","publication_year":2014,"publication_date":"2014-08-01","ids":{"openalex":"https://openalex.org/W2037504162","doi":"https://doi.org/10.1109/icdsp.2014.6900744","mag":"2037504162"},"language":"en","primary_location":{"id":"doi:10.1109/icdsp.2014.6900744","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900744","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital 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/A5100350708","display_name":"Yanlin Wang","orcid":"https://orcid.org/0000-0001-7761-7269"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yanlin Wang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100712272","display_name":"Yun Li","orcid":"https://orcid.org/0000-0001-7620-5983"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yun Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027768147","display_name":"K. C. Ho","orcid":"https://orcid.org/0000-0002-4883-2151"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. C. Ho","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079676776","display_name":"Alina Zare","orcid":"https://orcid.org/0000-0002-4847-7604"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Zare","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111375046","display_name":"M. Skubic","orcid":null},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Skubic","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA","institution_ids":["https://openalex.org/I76835614"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I76835614"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":null,"first_page":"640","last_page":"645"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","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/T10860","display_name":"Speech and Audio Processing","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/T11447","display_name":"Blind Source Separation Techniques","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":0.9979000091552734,"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/non-negative-matrix-factorization","display_name":"Non-negative matrix factorization","score":0.96059250831604},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.8626735210418701},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.7081924676895142},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6587629318237305},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.6437508463859558},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6006873846054077},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.5854979157447815},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.5271080732345581},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.49216002225875854},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4593338072299957},{"id":"https://openalex.org/keywords/lu-decomposition","display_name":"LU decomposition","score":0.43170303106307983},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3702429533004761},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3514214754104614},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3417380452156067}],"concepts":[{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.96059250831604},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.8626735210418701},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.7081924676895142},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6587629318237305},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.6437508463859558},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6006873846054077},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.5854979157447815},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.5271080732345581},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.49216002225875854},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4593338072299957},{"id":"https://openalex.org/C123213974","wikidata":"https://www.wikidata.org/wiki/Q833089","display_name":"LU decomposition","level":4,"score":0.43170303106307983},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3702429533004761},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3514214754104614},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3417380452156067},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/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/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icdsp.2014.6900744","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900744","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.5099999904632568,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1508756421","https://openalex.org/W1902027874","https://openalex.org/W1983133367","https://openalex.org/W2017288758","https://openalex.org/W2028656089","https://openalex.org/W2029728040","https://openalex.org/W2039844283","https://openalex.org/W2047731823","https://openalex.org/W2063069198","https://openalex.org/W2109006918","https://openalex.org/W2113990625","https://openalex.org/W2118718620","https://openalex.org/W2119126533","https://openalex.org/W2119647652","https://openalex.org/W2135029798","https://openalex.org/W2140086196","https://openalex.org/W2153935449","https://openalex.org/W2169138660","https://openalex.org/W3015755214","https://openalex.org/W6657890571","https://openalex.org/W6677759377","https://openalex.org/W6680012447","https://openalex.org/W6680652380"],"related_works":["https://openalex.org/W2037504162","https://openalex.org/W2774154397","https://openalex.org/W2146544734","https://openalex.org/W2921513691","https://openalex.org/W2156699640","https://openalex.org/W2098101267","https://openalex.org/W1979654135","https://openalex.org/W2156181515","https://openalex.org/W1984255382","https://openalex.org/W2576645943"],"abstract_inverted_index":{"The":[0,46],"effectiveness":[1],"of":[2,12,15,39,48],"non-negative":[3],"matrix":[4],"factorization":[5,31],"(NMF)":[6],"depends":[7],"on":[8,29],"a":[9],"suitable":[10],"choice":[11],"the":[13,30,37,43],"number":[14,38],"bases,":[16],"which":[17],"is":[18,53],"often":[19],"difficult":[20],"to":[21,35,57],"decide":[22],"in":[23,33],"practice.":[24],"This":[25],"paper":[26],"imposes":[27],"sparseness":[28],"coefficients":[32],"order":[34],"determine":[36],"bases":[40],"automatically":[41],"during":[42],"decomposition":[44],"process.":[45],"benefit":[47],"sparse":[49],"promotion":[50],"for":[51],"NMF":[52],"demonstrated":[54],"through":[55],"application":[56],"sound":[58],"source":[59],"separation":[60],"as":[61,63],"well":[62],"acoustic-based":[64],"human":[65],"fall":[66],"detection":[67],"under":[68],"strong":[69],"interference.":[70]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}