{"id":"https://openalex.org/W1558034244","doi":"https://doi.org/10.1023/a:1016367418778","title":"Adaptive Score Functions for Maximum Likelihood ICA","display_name":"Adaptive Score Functions for Maximum Likelihood ICA","publication_year":2002,"publication_date":"2002-08-01","ids":{"openalex":"https://openalex.org/W1558034244","doi":"https://doi.org/10.1023/a:1016367418778","mag":"1558034244"},"language":"en","primary_location":{"id":"doi:10.1023/a:1016367418778","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1016367418778","pdf_url":null,"source":{"id":"https://openalex.org/S4210233059","display_name":"The Journal of VLSI Signal Processing Systems for Signal Image and Video Technology","issn_l":"0922-5773","issn":["0922-5773","1573-109X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of VLSI signal processing systems for signal, image and video technology","raw_type":"journal-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/A5032783348","display_name":"Juha Karvanen","orcid":"https://orcid.org/0000-0001-5530-769X"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Juha Karvanen","raw_affiliation_strings":["Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109806193","display_name":"Jan Eriksson","orcid":null},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jan Eriksson","raw_affiliation_strings":["Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105267090","display_name":"Visa Koivunen","orcid":"https://orcid.org/0000-0003-1454-5928"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Visa Koivunen","raw_affiliation_strings":["Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015, HUT, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"Signal Processing Laboratory, Helsinki University of Technology, P.O. Box 3000. FIN-02015 HUT, Finland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I133731052"],"apc_list":null,"apc_paid":null,"fwci":2.587,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.88733824,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"32","issue":"1-2","first_page":"83","last_page":"92"},"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":0.9933000206947327,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9860000014305115,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/kurtosis","display_name":"Kurtosis","score":0.8124578595161438},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.6909288167953491},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.556088387966156},{"id":"https://openalex.org/keywords/skewness","display_name":"Skewness","score":0.5296953320503235},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5254313349723816},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.5037686228752136},{"id":"https://openalex.org/keywords/method-of-moments","display_name":"Method of moments (probability theory)","score":0.4999356269836426},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.4960413873195648},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.4870055317878723},{"id":"https://openalex.org/keywords/higher-order-statistics","display_name":"Higher-order statistics","score":0.4861154556274414},{"id":"https://openalex.org/keywords/likelihood-function","display_name":"Likelihood function","score":0.4279186725616455},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4126877784729004},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3838668465614319},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3704833984375},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.3582829236984253},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.35602086782455444},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3391488790512085},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.3020055890083313},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0871344804763794}],"concepts":[{"id":"https://openalex.org/C166963901","wikidata":"https://www.wikidata.org/wiki/Q287251","display_name":"Kurtosis","level":2,"score":0.8124578595161438},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.6909288167953491},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.556088387966156},{"id":"https://openalex.org/C122342681","wikidata":"https://www.wikidata.org/wiki/Q330828","display_name":"Skewness","level":2,"score":0.5296953320503235},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5254313349723816},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5037686228752136},{"id":"https://openalex.org/C2780033567","wikidata":"https://www.wikidata.org/wiki/Q6823720","display_name":"Method of moments (probability theory)","level":3,"score":0.4999356269836426},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.4960413873195648},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.4870055317878723},{"id":"https://openalex.org/C2780576426","wikidata":"https://www.wikidata.org/wiki/Q5757980","display_name":"Higher-order statistics","level":4,"score":0.4861154556274414},{"id":"https://openalex.org/C89106044","wikidata":"https://www.wikidata.org/wiki/Q45284","display_name":"Likelihood function","level":3,"score":0.4279186725616455},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4126877784729004},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3838668465614319},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3704833984375},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3582829236984253},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.35602086782455444},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3391488790512085},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.3020055890083313},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0871344804763794},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1023/a:1016367418778","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1016367418778","pdf_url":null,"source":{"id":"https://openalex.org/S4210233059","display_name":"The Journal of VLSI Signal Processing Systems for Signal Image and Video Technology","issn_l":"0922-5773","issn":["0922-5773","1573-109X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of VLSI signal processing systems for signal, image and video technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W190532438","https://openalex.org/W193250909","https://openalex.org/W658559791","https://openalex.org/W1481794564","https://openalex.org/W1491770470","https://openalex.org/W1510095622","https://openalex.org/W1584507522","https://openalex.org/W1970789124","https://openalex.org/W1992394918","https://openalex.org/W2022261649","https://openalex.org/W2022706278","https://openalex.org/W2119647652","https://openalex.org/W2126016605","https://openalex.org/W2126300958","https://openalex.org/W2133069808","https://openalex.org/W2141224535","https://openalex.org/W2143132653","https://openalex.org/W2151834013","https://openalex.org/W2313039720","https://openalex.org/W3015487628","https://openalex.org/W4310638450","https://openalex.org/W6607677675","https://openalex.org/W6775395660"],"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/W2130656060","https://openalex.org/W2156932837","https://openalex.org/W2380698615","https://openalex.org/W374502268","https://openalex.org/W2356479045"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-21T08:15:58.654021","created_date":"2016-06-24T00:00:00"}
