{"id":"https://openalex.org/W2125621743","doi":"https://doi.org/10.1109/lsp.2015.2478854","title":"Block Iterative Reweighted Algorithms for Super-Resolution of Spectrally Sparse Signals","display_name":"Block Iterative Reweighted Algorithms for Super-Resolution of Spectrally Sparse Signals","publication_year":2015,"publication_date":"2015-09-15","ids":{"openalex":"https://openalex.org/W2125621743","doi":"https://doi.org/10.1109/lsp.2015.2478854","mag":"2125621743"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2015.2478854","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2015.2478854","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1507.08701","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103181623","display_name":"Myung Cho","orcid":"https://orcid.org/0000-0002-2383-3481"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Myung Cho","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA","institution_ids":["https://openalex.org/I126307644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082119521","display_name":"Kumar Vijay Mishra","orcid":"https://orcid.org/0000-0002-5386-609X"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kumar Vijay Mishra","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA","institution_ids":["https://openalex.org/I126307644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057913701","display_name":"Jian\u2010Feng Cai","orcid":"https://orcid.org/0000-0003-2571-570X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jian-Feng Cai","raw_affiliation_strings":["Department of Mathematics, Hong Kong University of Science and Technology, Hong Kong SAR, China","Department of Mathematics, Hong Kong University of Science and Technology, Hong Kong SAR, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Hong Kong University of Science and Technology, Hong Kong SAR, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Department of Mathematics, Hong Kong University of Science and Technology, Hong Kong SAR, China#TAB#","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101767475","display_name":"Weiyu Xu","orcid":"https://orcid.org/0000-0003-4256-6072"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Weiyu Xu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, USA","institution_ids":["https://openalex.org/I126307644"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103181623"],"corresponding_institution_ids":["https://openalex.org/I126307644"],"apc_list":null,"apc_paid":null,"fwci":2.3471,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.87230329,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"22","issue":"12","first_page":"2319","last_page":"2323"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9984999895095825,"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/algorithm","display_name":"Algorithm","score":0.7834991812705994},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6926949620246887},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.674919843673706},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5500801205635071},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5346905589103699},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5324989557266235},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5160403251647949},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22380569577217102},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20376241207122803}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7834991812705994},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6926949620246887},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.674919843673706},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5500801205635071},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5346905589103699},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5324989557266235},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5160403251647949},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22380569577217102},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20376241207122803},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/lsp.2015.2478854","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2015.2478854","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1507.08701","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1507.08701","pdf_url":"https://arxiv.org/pdf/1507.08701","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-72446","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-72446","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1507.08701","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1507.08701","pdf_url":"https://arxiv.org/pdf/1507.08701","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W340244495","https://openalex.org/W622930292","https://openalex.org/W1613369675","https://openalex.org/W1880154232","https://openalex.org/W2039479881","https://openalex.org/W2045110278","https://openalex.org/W2104031891","https://openalex.org/W2107861471","https://openalex.org/W2123457453","https://openalex.org/W2133285942","https://openalex.org/W2161765392","https://openalex.org/W2168745297","https://openalex.org/W2196956961","https://openalex.org/W2296319761","https://openalex.org/W2565293665","https://openalex.org/W2962965891","https://openalex.org/W2963326253","https://openalex.org/W2964118433","https://openalex.org/W2964325628","https://openalex.org/W4243182635","https://openalex.org/W4250589301","https://openalex.org/W4300263211","https://openalex.org/W6636777056","https://openalex.org/W6684677280"],"related_works":["https://openalex.org/W2158224665","https://openalex.org/W2379589510","https://openalex.org/W2810730439","https://openalex.org/W4300044672","https://openalex.org/W1881631164","https://openalex.org/W2358292267","https://openalex.org/W2378166785","https://openalex.org/W1964277756","https://openalex.org/W2465351041","https://openalex.org/W2208932071"],"abstract_inverted_index":{"We":[0],"propose":[1],"novel":[2],"algorithms":[3,21,32],"that":[4,64],"enhance":[5,38],"the":[6,23,44,47],"performance":[7,45,74],"of":[8,30,46],"recovering":[9,57],"unknown":[10],"continuous-valued":[11,58],"frequencies":[12],"from":[13,27],"undersampled":[14],"signals.":[15],"Our":[16,41],"iterative":[17,67],"reweighted":[18,68],"frequency":[19,39,59],"recovery":[20,73],"employ":[22],"support":[24],"knowledge":[25],"gained":[26],"earlier":[28],"steps":[29],"our":[31,65],"as":[33],"block":[34,66],"prior":[35],"information":[36],"to":[37],"recovery.":[40],"methods":[42,69],"improve":[43],"atomic":[48],"norm":[49],"minimization":[50],"which":[51],"is":[52],"a":[53],"useful":[54],"heuristic":[55],"in":[56],"contents.":[60],"Numerical":[61],"results":[62],"demonstrate":[63],"provide":[70],"both":[71],"better":[72],"and":[75],"faster":[76],"speed":[77],"than":[78],"other":[79],"known":[80],"methods.":[81]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2016-06-24T00:00:00"}