{"id":"https://openalex.org/W1566758689","doi":"https://doi.org/10.21437/eurospeech.2003-343","title":"Statistical signal processing with nonnegativity constraints","display_name":"Statistical signal processing with nonnegativity constraints","publication_year":2003,"publication_date":"2003-09-01","ids":{"openalex":"https://openalex.org/W1566758689","doi":"https://doi.org/10.21437/eurospeech.2003-343","mag":"1566758689"},"language":"en","primary_location":{"id":"doi:10.21437/eurospeech.2003-343","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.2003-343","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"8th European Conference on Speech Communication and Technology (Eurospeech 2003)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repository.upenn.edu/cgi/viewcontent.cgi?article=1012&context=cis_papers","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103354854","display_name":"Lawrence K. Saul","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lawrence K. Saul","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101544732","display_name":"Fei Sha","orcid":"https://orcid.org/0000-0002-9382-0010"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fei Sha","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5007905483","display_name":"Daniel D. Lee","orcid":"https://orcid.org/0000-0002-2163-2686"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel D. Lee","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":22,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1001","last_page":"1004"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9991000294685364,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9932000041007996,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6810147166252136},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.6278449296951294},{"id":"https://openalex.org/keywords/multidimensional-signal-processing","display_name":"Multidimensional signal processing","score":0.4970836937427521},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4533209502696991},{"id":"https://openalex.org/keywords/statistical-signal-processing","display_name":"Statistical signal processing","score":0.4372991919517517},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3602404296398163},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.34127843379974365},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.24109134078025818},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17523768544197083},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.10157769918441772}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6810147166252136},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.6278449296951294},{"id":"https://openalex.org/C501101116","wikidata":"https://www.wikidata.org/wiki/Q18378116","display_name":"Multidimensional signal processing","level":4,"score":0.4970836937427521},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4533209502696991},{"id":"https://openalex.org/C105125183","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Statistical signal processing","level":4,"score":0.4372991919517517},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3602404296398163},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.34127843379974365},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.24109134078025818},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17523768544197083},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.10157769918441772},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.21437/eurospeech.2003-343","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.2003-343","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"8th European Conference on Speech Communication and Technology (Eurospeech 2003)","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.upenn.edu:cis_papers-1012","is_oa":true,"landing_page_url":"https://repository.upenn.edu/cis_papers/13","pdf_url":"https://repository.upenn.edu/cgi/viewcontent.cgi?article=1012&context=cis_papers","source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Departmental Papers (CIS)","raw_type":"text"},{"id":"pmh:oai:repository.upenn.edu:20.500.14332/6156","is_oa":false,"landing_page_url":"https://repository.upenn.edu/handle/20.500.14332/6156","pdf_url":null,"source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"published","raw_type":"Presentation"}],"best_oa_location":{"id":"pmh:oai:repository.upenn.edu:cis_papers-1012","is_oa":true,"landing_page_url":"https://repository.upenn.edu/cis_papers/13","pdf_url":"https://repository.upenn.edu/cgi/viewcontent.cgi?article=1012&context=cis_papers","source":{"id":"https://openalex.org/S4306402083","display_name":"ScholarlyCommons (University of Pennsylvania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79576946","host_organization_name":"University of Pennsylvania","host_organization_lineage":["https://openalex.org/I79576946"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Departmental Papers (CIS)","raw_type":"text"},"sustainable_development_goals":[{"score":0.8199999928474426,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W1566758689.pdf"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1483936050","https://openalex.org/W1496612019","https://openalex.org/W1512098439","https://openalex.org/W1575431606","https://openalex.org/W1902027874","https://openalex.org/W1958993123","https://openalex.org/W1974196562","https://openalex.org/W2026502181","https://openalex.org/W2059260101","https://openalex.org/W2105681560","https://openalex.org/W2108233786","https://openalex.org/W2119599673","https://openalex.org/W2128594680","https://openalex.org/W2135029798","https://openalex.org/W2139333658","https://openalex.org/W2140409019","https://openalex.org/W2148603752","https://openalex.org/W2149095746","https://openalex.org/W2162977283","https://openalex.org/W3143596294"],"related_works":["https://openalex.org/W2111075373","https://openalex.org/W4200622203","https://openalex.org/W2129111551","https://openalex.org/W2256232663","https://openalex.org/W2204975744","https://openalex.org/W1529218607","https://openalex.org/W2025317896","https://openalex.org/W1849272841","https://openalex.org/W4292830007","https://openalex.org/W1509561252"],"abstract_inverted_index":{"Nonnegativity":[0],"constraints":[1],"arise":[2],"frequently":[3],"in":[4,39,63],"statistical":[5],"learning":[6],"and":[7,52,91],"pattern":[8],"recognition.":[9,42],"Multiplicative":[10],"updates":[11,26],"provide":[12],"natural":[13],"solutions":[14],"to":[15,60],"optimizations":[16],"involving":[17],"these":[18,89],"constraints.":[19],"One":[20],"well":[21,72],"known":[22],"set":[23],"of":[24,80],"multiplicative":[25],"is":[27],"given":[28],"by":[29],"the":[30,78,92],"Expectation-Maximization":[31],"algorithm":[32],"for":[33,49],"hidden":[34],"Markov":[35],"models,":[36],"as":[37,67,71,73,77],"used":[38],"automatic":[40],"speech":[41],"Recently,":[43],"we":[44,87],"have":[45,58],"derived":[46],"similar":[47],"algorithms":[48,57,90],"nonnegative":[50,53],"deconvolution":[51],"quadratic":[54],"programming.":[55],"These":[56],"applications":[59],"low-level":[61],"problems":[62],"voice":[64],"processing,":[65],"such":[66,76],"fundamental":[68],"frequency":[69],"estimation,":[70],"high-level":[74],"problems,":[75],"training":[79],"large":[81],"margin":[82],"classifiers.":[83],"In":[84],"this":[85],"paper,":[86],"describe":[88],"ideas":[93],"that":[94],"connect":[95],"them.":[96]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
