{"id":"https://openalex.org/W4412747728","doi":"https://doi.org/10.1109/tsp.2025.3593082","title":"Signal Recovery Using a Spiked Mixture Model","display_name":"Signal Recovery Using a Spiked Mixture Model","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4412747728","doi":"https://doi.org/10.1109/tsp.2025.3593082"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2025.3593082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2025.3593082","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","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/A5027517066","display_name":"P. Delacour","orcid":null},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Paul-Louis Delacour","raw_affiliation_strings":["Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands"],"affiliations":[{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036062179","display_name":"Sander Wahls","orcid":"https://orcid.org/0000-0001-5159-0918"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sander Wahls","raw_affiliation_strings":["Institute of Industrial Information Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Industrial Information Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059275651","display_name":"Jeffrey M. Spraggins","orcid":"https://orcid.org/0000-0001-9198-5498"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"education","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey M. Spraggins","raw_affiliation_strings":["Departments of Cell and Developmental Biology, Biochemistry, and Chemistry, Vanderbilt University, Nashville, TN, USA","Dept. of Biochemistry &#x0026; Mass Spectrometry Research Center, Vanderbilt University, Nashville, TN, U.S.A"],"affiliations":[{"raw_affiliation_string":"Departments of Cell and Developmental Biology, Biochemistry, and Chemistry, Vanderbilt University, Nashville, TN, USA","institution_ids":["https://openalex.org/I200719446"]},{"raw_affiliation_string":"Dept. of Biochemistry &#x0026; Mass Spectrometry Research Center, Vanderbilt University, Nashville, TN, U.S.A","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056821882","display_name":"Lukasz G. Migas","orcid":"https://orcid.org/0000-0002-1884-6405"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Lukasz Migas","raw_affiliation_strings":["Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands"],"affiliations":[{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013130910","display_name":"Raf Van de Plas","orcid":"https://orcid.org/0000-0002-2232-7130"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Raf Van de Plas","raw_affiliation_strings":["Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands"],"affiliations":[{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, CD, Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft Center for Systems and Control, Delft University of Technology, Delft, Netherlands","institution_ids":["https://openalex.org/I98358874"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5027517066"],"corresponding_institution_ids":["https://openalex.org/I98358874"],"apc_list":null,"apc_paid":null,"fwci":2.4362,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.8988432,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"73","issue":null,"first_page":"3748","last_page":"3761"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9035999774932861,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9035999774932861,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5418281555175781},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5364184379577637},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4062046408653259},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3443607687950134},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33810955286026},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15743517875671387},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.12882375717163086}],"concepts":[{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5418281555175781},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5364184379577637},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4062046408653259},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3443607687950134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33810955286026},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15743517875671387},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.12882375717163086}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2025.3593082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2025.3593082","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5899999737739563,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G142451595","display_name":null,"funder_award_id":"U01CA294527","funder_id":"https://openalex.org/F4320309684","funder_display_name":"Division of Cancer Prevention, National Cancer Institute"},{"id":"https://openalex.org/G3425492262","display_name":null,"funder_award_id":"2021-240339","funder_id":"https://openalex.org/F4320315474","funder_display_name":"Chan Zuckerberg Initiative"},{"id":"https://openalex.org/G4569095588","display_name":null,"funder_award_id":"R01AG078803","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"},{"id":"https://openalex.org/G4960608113","display_name":null,"funder_award_id":"U01DK133766","funder_id":"https://openalex.org/F4320337357","funder_display_name":"National Institute of Diabetes and Digestive and Kidney Diseases"},{"id":"https://openalex.org/G5121043560","display_name":null,"funder_award_id":"R01AI138581","funder_id":"https://openalex.org/F4320337355","funder_display_name":"National Institute of Allergy and Infectious Diseases"},{"id":"https://openalex.org/G5365547391","display_name":null,"funder_award_id":"U54EY032442","funder_id":"https://openalex.org/F4320337350","funder_display_name":"National Eye Institute"},{"id":"https://openalex.org/G5465750403","display_name":null,"funder_award_id":"U54DK134302","funder_id":"https://openalex.org/F4320337357","funder_display_name":"National Institute of Diabetes and Digestive and Kidney Diseases"},{"id":"https://openalex.org/G6157011757","display_name":null,"funder_award_id":"R01AI145992","funder_id":"https://openalex.org/F4320337355","funder_display_name":"National Institute of Allergy and Infectious Diseases"},{"id":"https://openalex.org/G8310475262","display_name":null,"funder_award_id":"2022-309518","funder_id":"https://openalex.org/F4320315474","funder_display_name":"Chan Zuckerberg Initiative"}],"funders":[{"id":"https://openalex.org/F4320309684","display_name":"Division of Cancer Prevention, National Cancer Institute","ror":"https://ror.org/040gcmg81"},{"id":"https://openalex.org/F4320315474","display_name":"Chan Zuckerberg Initiative","ror":"https://ror.org/02qenvm24"},{"id":"https://openalex.org/F4320337337","display_name":"National Institute on Aging","ror":"https://ror.org/049v75w11"},{"id":"https://openalex.org/F4320337350","display_name":"National Eye Institute","ror":"https://ror.org/03wkg3b53"},{"id":"https://openalex.org/F4320337355","display_name":"National Institute of Allergy and Infectious Diseases","ror":"https://ror.org/043z4tv69"},{"id":"https://openalex.org/F4320337357","display_name":"National Institute of Diabetes and Digestive and Kidney Diseases","ror":"https://ror.org/00adh9b73"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1520752838","https://openalex.org/W1664060554","https://openalex.org/W1755019093","https://openalex.org/W1996091293","https://openalex.org/W1997834106","https://openalex.org/W1999567234","https://openalex.org/W2033278243","https://openalex.org/W2054455698","https://openalex.org/W2134130058","https://openalex.org/W2137971377","https://openalex.org/W2138621882","https://openalex.org/W2498094064","https://openalex.org/W2596873572","https://openalex.org/W2728522405","https://openalex.org/W2809757035","https://openalex.org/W2809907875","https://openalex.org/W2811365745","https://openalex.org/W3037106150","https://openalex.org/W3164430059","https://openalex.org/W4281733749","https://openalex.org/W4366493135","https://openalex.org/W4394688837","https://openalex.org/W4395661183"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2033914206","https://openalex.org/W2042327336"],"abstract_inverted_index":{"We":[0],"introduce":[1],"the":[2,9,37,53,59,76,88,111,144],"spiked":[3],"mixture":[4,63],"model":[5,64],"(SMM)":[6],"to":[7,32,90,109,156],"address":[8],"problem":[10],"of":[11,15,36,68,75,114],"estimating":[12],"a":[13,27,99,115,131,136],"set":[14],"signals":[16,158],"from":[17],"many":[18],"randomly":[19],"scaled":[20],"and":[21,48,78,171],"noisy":[22],"observations.":[23],"Subsequently,":[24],"we":[25],"design":[26],"novel":[28],"expectation-maximization":[29],"(EM)":[30],"algorithm":[31,83],"recover":[33,157],"all":[34],"parameters":[35],"SMM.":[38],"Numerical":[39],"experiments":[40],"show":[41],"that":[42,159],"in":[43,66,130,149],"low":[44],"signal-to-noise":[45],"ratio":[46],"regimes,":[47],"for":[49],"data":[50,92],"types":[51],"where":[52],"SMM":[54,57,77,128,153],"is":[55,84,98,154],"relevant,":[56],"surpasses":[58],"more":[60],"traditional":[61,163],"Gaussian":[62],"(GMM)":[65],"terms":[67],"signal":[69],"recovery":[70,82],"performance.":[71],"The":[72,94,123],"broad":[73],"relevance":[74],"its":[79],"corresponding":[80],"EM":[81],"demonstrated":[85],"by":[86,162],"applying":[87],"technique":[89],"different":[91],"types.":[93],"first":[95],"case":[96,125,151],"study":[97,126],"biomedical":[100],"research":[101],"application,":[102,134],"utilizing":[103],"an":[104],"imaging":[105,138],"mass":[106],"spectrometry":[107],"dataset":[108,139],"explore":[110],"molecular":[112],"content":[113],"rat":[116],"brain":[117],"tissue":[118],"section":[119],"at":[120],"micrometer":[121],"scale.":[122],"second":[124],"demonstrates":[127],"performance":[129],"computer":[132],"vision":[133],"segmenting":[135],"hyperspectral":[137],"into":[140],"underlying":[141],"patterns.":[142],"While":[143],"measurement":[145],"modalities":[146],"differ":[147],"substantially,":[148],"both":[150],"studies":[152],"shown":[155],"were":[160],"missed":[161],"methods":[164],"such":[165],"as":[166],"<italic":[167],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[168],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">k</i>-means":[169],"clustering":[170],"GMM.":[172]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
