{"id":"https://openalex.org/W2583868699","doi":"https://doi.org/10.1109/icassp.1984.1172301","title":"Multichannel relative-entropy spectrum analysis","display_name":"Multichannel relative-entropy spectrum analysis","publication_year":2005,"publication_date":"2005-03-24","ids":{"openalex":"https://openalex.org/W2583868699","doi":"https://doi.org/10.1109/icassp.1984.1172301","mag":"2583868699"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.1984.1172301","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1984.1172301","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '84. 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/A5101427209","display_name":"Ryan F. Johnson","orcid":"https://orcid.org/0000-0003-1246-8076"},"institutions":[{"id":"https://openalex.org/I4210126846","display_name":"Information Technology Laboratory","ror":"https://ror.org/0440c3437","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065","https://openalex.org/I4210126846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Johnson","raw_affiliation_strings":["Computer Science and Systems Branch, Information Technology Division, Naval Research Laboratory, Inc., Washington D.C., DC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Systems Branch, Information Technology Division, Naval Research Laboratory, Inc., Washington D.C., DC, USA","institution_ids":["https://openalex.org/I4210126846"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032692167","display_name":"Bruce R. Musicus","orcid":null},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. Musicus","raw_affiliation_strings":["Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.3161674,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"9","issue":null,"first_page":"550","last_page":"553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12261","display_name":"Statistical Mechanics and Entropy","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12261","display_name":"Statistical Mechanics and Entropy","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9887999892234802,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9767000079154968,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/maximum-entropy-spectral-estimation","display_name":"Maximum entropy spectral estimation","score":0.7313348650932312},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.6968668103218079},{"id":"https://openalex.org/keywords/kullback\u2013leibler-divergence","display_name":"Kullback\u2013Leibler divergence","score":0.6420047283172607},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.6022016406059265},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5976557731628418},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.4947749972343445},{"id":"https://openalex.org/keywords/spectral-line","display_name":"Spectral line","score":0.4754221737384796},{"id":"https://openalex.org/keywords/principle-of-maximum-entropy","display_name":"Principle of maximum entropy","score":0.4674053490161896},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.4541768729686737},{"id":"https://openalex.org/keywords/generalized-relative-entropy","display_name":"Generalized relative entropy","score":0.4371166229248047},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.33285805583000183},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.3305743932723999},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.26109886169433594},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2469119429588318},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.09503811597824097}],"concepts":[{"id":"https://openalex.org/C89735579","wikidata":"https://www.wikidata.org/wiki/Q6795894","display_name":"Maximum entropy spectral estimation","level":3,"score":0.7313348650932312},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.6968668103218079},{"id":"https://openalex.org/C171752962","wikidata":"https://www.wikidata.org/wiki/Q255166","display_name":"Kullback\u2013Leibler divergence","level":2,"score":0.6420047283172607},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.6022016406059265},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5976557731628418},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4947749972343445},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.4754221737384796},{"id":"https://openalex.org/C9679016","wikidata":"https://www.wikidata.org/wiki/Q1417473","display_name":"Principle of maximum entropy","level":2,"score":0.4674053490161896},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.4541768729686737},{"id":"https://openalex.org/C5084201","wikidata":"https://www.wikidata.org/wiki/Q17090689","display_name":"Generalized relative entropy","level":5,"score":0.4371166229248047},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.33285805583000183},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3305743932723999},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.26109886169433594},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2469119429588318},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.09503811597824097},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.0},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.0},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.1984.1172301","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1984.1172301","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '84. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:ADA166625","is_oa":false,"landing_page_url":"http://oai.dtic.mil/oai/oai?&amp;verb=getRecord&amp;metadataPrefix=html&amp;identifier=ADA166625","pdf_url":null,"source":{"id":"https://openalex.org/S4406923043","display_name":"Defense Technical Information Center (DTIC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"DTIC AND NTIS","raw_type":"Text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","score":0.7900000214576721,"id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1496923911","https://openalex.org/W1587896874","https://openalex.org/W1698279705","https://openalex.org/W1948257241","https://openalex.org/W1966264494","https://openalex.org/W1966387528","https://openalex.org/W1968076658","https://openalex.org/W2052958516","https://openalex.org/W2089436497","https://openalex.org/W2104936830","https://openalex.org/W2133661249","https://openalex.org/W2154945989","https://openalex.org/W2160709761","https://openalex.org/W2294604761","https://openalex.org/W3093664000","https://openalex.org/W4249186015","https://openalex.org/W4300906944","https://openalex.org/W6629474112"],"related_works":["https://openalex.org/W2132953787","https://openalex.org/W2039232173","https://openalex.org/W262848098","https://openalex.org/W1966654446","https://openalex.org/W2073470747","https://openalex.org/W3170569884","https://openalex.org/W2161544911","https://openalex.org/W309135373","https://openalex.org/W3125290703","https://openalex.org/W2614538623"],"abstract_inverted_index":{"A":[0,34],"new":[1],"method":[2,38,63],"is":[3,43,98,111],"presented":[4],"for":[5,12,18,88],"estimating":[6],"the":[7,22,30,37,40,50,61,68,72,79,89,92,114,117,123],"power":[8],"spectral":[9,31],"density":[10,32],"matrix":[11],"multichannel":[13],"data,":[14],"given":[15,25,86],"correlation":[16,83],"values":[17,84],"linear":[19,131],"combinations":[20],"of":[21,29,36,56,71,91,116,122],"channels":[23,74],"and":[24,58,125],"an":[26],"initial":[27],"estimate":[28],"matrix.":[33],"derivation":[35],"from":[39,49],"relative-entropy":[41],"principle":[42],"given.":[44],"The":[45],"results":[46],"differ":[47],"significantly":[48],"Multisignal":[51],"Relative-Entropy":[52,95],"(\"Minimum-Cross-Entropy\")":[53],"Spectrum":[54,96],"Analysis":[55,97],"Johnson":[57],"Shore":[59],"because":[60],"present":[62],"does":[64],"not":[65],"arbitrarily":[66],"force":[67],"final":[69,120],"distributions":[70],"various":[73],"to":[75,100,102,113],"be":[76],"independent.":[77],"For":[78],"special":[80],"case":[81],"when":[82],"are":[85,128,136],"only":[87],"sum":[90],"channels,":[93],"Multichannel":[94],"shown":[99],"reduce":[101],"a":[103,107],"two-stage":[104],"procedure:":[105],"first":[106],"smooth":[108],"power-spectrum":[109],"model":[110],"fitted":[112],"correlations":[115],"sum;":[118],"then":[119],"estimates":[121],"spectra":[124,127],"cross":[126],"obtained":[129],"through":[130],"filtering.":[132],"Illustrative":[133],"numerical":[134],"examples":[135],"presented.":[137]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
