{"id":"https://openalex.org/W2292440223","doi":"https://doi.org/10.1007/978-3-319-19369-4_35","title":"Experimental Evaluation of Selected Approaches to\u00a0Covariance Matrix Regularization","display_name":"Experimental Evaluation of Selected Approaches to\u00a0Covariance Matrix Regularization","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W2292440223","doi":"https://doi.org/10.1007/978-3-319-19369-4_35","mag":"2292440223"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-319-19369-4_35","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-19369-4_35","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5061607408","display_name":"Przemys\u0142aw G\u0142omb","orcid":"https://orcid.org/0000-0002-0215-4674"},"institutions":[{"id":"https://openalex.org/I4210122744","display_name":"Institute of Theoretical and Applied Informatics","ror":"https://ror.org/037p52j25","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210122744","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I99542240","display_name":"Polish Academy of Sciences","ror":"https://ror.org/01dr6c206","country_code":"PL","type":"government","lineage":["https://openalex.org/I99542240"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Przemys\u0142aw G\u0142omb","raw_affiliation_strings":["Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Ba\u0142tycka\u00a05, 44-100, Gliwice, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Ba\u0142tycka\u00a05, 44-100, Gliwice, Poland","institution_ids":["https://openalex.org/I4210122744","https://openalex.org/I99542240"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037375081","display_name":"Micha\u0142 Cholewa","orcid":"https://orcid.org/0000-0001-6549-1590"},"institutions":[{"id":"https://openalex.org/I4210122744","display_name":"Institute of Theoretical and Applied Informatics","ror":"https://ror.org/037p52j25","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210122744","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I99542240","display_name":"Polish Academy of Sciences","ror":"https://ror.org/01dr6c206","country_code":"PL","type":"government","lineage":["https://openalex.org/I99542240"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Micha\u0142 Cholewa","raw_affiliation_strings":["Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Ba\u0142tycka\u00a05, 44-100, Gliwice, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Ba\u0142tycka\u00a05, 44-100, Gliwice, Poland","institution_ids":["https://openalex.org/I4210122744","https://openalex.org/I99542240"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13535174,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"391","last_page":"401"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9991000294685364,"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"}},{"id":"https://openalex.org/T11901","display_name":"Bayesian Methods and Mixture Models","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.7091281414031982},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.692307710647583},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6794664263725281},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.613059401512146},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.5820027589797974},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.5244274735450745},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.4739404022693634},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40087488293647766},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4005982279777527},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33763015270233154},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.325771689414978},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.32330167293548584},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2530626654624939}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7091281414031982},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.692307710647583},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6794664263725281},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.613059401512146},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.5820027589797974},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.5244274735450745},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.4739404022693634},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40087488293647766},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4005982279777527},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33763015270233154},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.325771689414978},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32330167293548584},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2530626654624939},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-319-19369-4_35","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-19369-4_35","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W144691381","https://openalex.org/W146900863","https://openalex.org/W1963558577","https://openalex.org/W1966297316","https://openalex.org/W1971672021","https://openalex.org/W1974105260","https://openalex.org/W1981276685","https://openalex.org/W2008681993","https://openalex.org/W2017911295","https://openalex.org/W2051370783","https://openalex.org/W2052386156","https://openalex.org/W2059606882","https://openalex.org/W2062125287","https://openalex.org/W2071346966","https://openalex.org/W2072207996","https://openalex.org/W2075807431","https://openalex.org/W2098056745","https://openalex.org/W2107109500","https://openalex.org/W2114755499","https://openalex.org/W2119963163","https://openalex.org/W2126511896","https://openalex.org/W2129014109","https://openalex.org/W2130351130","https://openalex.org/W2152799677","https://openalex.org/W2160306985","https://openalex.org/W2999905431","https://openalex.org/W3098365576","https://openalex.org/W3099609308","https://openalex.org/W3101391693","https://openalex.org/W3101788651","https://openalex.org/W3103699839","https://openalex.org/W3103917751","https://openalex.org/W3106319742"],"related_works":["https://openalex.org/W2921280830","https://openalex.org/W2126916073","https://openalex.org/W2887132723","https://openalex.org/W2572601863","https://openalex.org/W2038723318","https://openalex.org/W1679731869","https://openalex.org/W1670628120","https://openalex.org/W3041177925","https://openalex.org/W2886934452","https://openalex.org/W2024369332"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
