{"id":"https://openalex.org/W2547849178","doi":"https://doi.org/10.1109/tsp.2016.2625274","title":"Towards Generalized FRI Sampling With an Application to Source Resolution in Radioastronomy","display_name":"Towards Generalized FRI Sampling With an Application to Source Resolution in Radioastronomy","publication_year":2016,"publication_date":"2016-11-04","ids":{"openalex":"https://openalex.org/W2547849178","doi":"https://doi.org/10.1109/tsp.2016.2625274","mag":"2547849178"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2016.2625274","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2016.2625274","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":true,"oa_status":"green","oa_url":"https://infoscience.epfl.ch/bitstreams/7e289265-2a2d-48c9-acdb-fc49744bba02/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071082236","display_name":"Hanjie Pan","orcid":"https://orcid.org/0000-0003-0805-7696"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Hanjie Pan","raw_affiliation_strings":["School of Computer and Communication Sciences, Ecole polytechnique f\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"School of Computer and Communication Sciences, Ecole polytechnique f\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017511611","display_name":"Thierry Blu","orcid":"https://orcid.org/0000-0001-5759-0011"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Thierry Blu","raw_affiliation_strings":["Department of Electronic Engineering, Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049415924","display_name":"Martin Vetterli","orcid":"https://orcid.org/0000-0002-6122-1216"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Martin Vetterli","raw_affiliation_strings":["School of Computer and Communication Sciences, Ecole polytechnique f\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"School of Computer and Communication Sciences, Ecole polytechnique f\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5071082236"],"corresponding_institution_ids":["https://openalex.org/I5124864"],"apc_list":null,"apc_paid":null,"fwci":4.5556,"has_fulltext":false,"cited_by_count":84,"citation_normalized_percentile":{"value":0.94985996,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"65","issue":"4","first_page":"821","last_page":"835"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9972000122070312,"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"}},"topics":[{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9972000122070312,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38574498891830444},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3254724144935608}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38574498891830444},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3254724144935608}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2016.2625274","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2016.2625274","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"},{"id":"pmh:oai:infoscience.tind.io:222498","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/222498","pdf_url":"https://infoscience.epfl.ch/bitstreams/7e289265-2a2d-48c9-acdb-fc49744bba02/download","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"}],"best_oa_location":{"id":"pmh:oai:infoscience.tind.io:222498","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/222498","pdf_url":"https://infoscience.epfl.ch/bitstreams/7e289265-2a2d-48c9-acdb-fc49744bba02/download","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G2203889157","display_name":"Application-specific design of photonic heatshields for atmospheric re-entry","funder_award_id":"146006","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"},{"id":"https://openalex.org/G5225308780","display_name":"Insecta Helvetica, Fauna Bd. 6: Hymenoptera Formicidae","funder_award_id":"15107","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"},{"id":"https://openalex.org/G5743307732","display_name":"Collaborative Research:   Magnetotelluric and Seismic Investigations of the Distribution of Magmatic and Hydrous Fluids Beneath Yellowstone","funder_award_id":"1460061","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7419875979","display_name":null,"funder_award_id":"SNF\u201320FP-1_151073","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"},{"id":"https://openalex.org/G7572830055","display_name":null,"funder_award_id":"SNF-20FP-1_151073","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"},{"id":"https://openalex.org/G7616702594","display_name":null,"funder_award_id":"20FP-1_151073","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320320924","display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","ror":"https://ror.org/00yjd3n13"},{"id":"https://openalex.org/F4320322942","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2547849178.pdf"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1541064563","https://openalex.org/W1613559169","https://openalex.org/W1624008340","https://openalex.org/W1633529777","https://openalex.org/W1737290388","https://openalex.org/W1968459698","https://openalex.org/W1971056102","https://openalex.org/W1976990924","https://openalex.org/W1991101760","https://openalex.org/W2002663556","https://openalex.org/W2020623316","https://openalex.org/W2034942620","https://openalex.org/W2044613770","https://openalex.org/W2052867250","https://openalex.org/W2064771273","https://openalex.org/W2096960845","https://openalex.org/W2097883065","https://openalex.org/W2098662489","https://openalex.org/W2099267803","https://openalex.org/W2103300762","https://openalex.org/W2103973889","https://openalex.org/W2105483458","https://openalex.org/W2113885710","https://openalex.org/W2118682956","https://openalex.org/W2125782250","https://openalex.org/W2130759997","https://openalex.org/W2132346118","https://openalex.org/W2134541573","https://openalex.org/W2135495672","https://openalex.org/W2148723353","https://openalex.org/W2149213383","https://openalex.org/W2152599017","https://openalex.org/W2152927766","https://openalex.org/W2158537680","https://openalex.org/W2296616510","https://openalex.org/W2408555870","https://openalex.org/W2565293665","https://openalex.org/W2570974182","https://openalex.org/W2963500592","https://openalex.org/W2963748825","https://openalex.org/W2963753870","https://openalex.org/W2964325628","https://openalex.org/W3023201122","https://openalex.org/W3098270385","https://openalex.org/W3106271742","https://openalex.org/W4250955649","https://openalex.org/W6638260749","https://openalex.org/W6675555916"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4391375266","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027"],"abstract_inverted_index":{"It":[0],"is":[1,26,38,62,156,169,240],"a":[2,14,20,43,96,128,161,187],"classic":[3],"problem":[4,99],"to":[5,103,112,139,148,181,242],"estimate":[6],"continuous-time":[7,56],"sparse":[8,57,114],"signals,":[9,115],"like":[10],"point":[11,226,244],"sources":[12,245],"in":[13,19,31,229],"direction-of-arrival":[15],"problem,":[16],"or":[17,213],"pulses":[18],"time-of-flight":[21],"measurement.":[22],"The":[23,53,231],"earliest":[24],"occurrence":[25],"the":[27,40,63,66,108,133,140,150,166,172,177,194,199,223],"estimation":[28,54,78],"of":[29,42,46,55,65,72,118,137,189,198],"sinusoids":[30,138],"time":[32,212],"series":[33],"using":[34],"Prony's":[35],"method.":[36],"This":[37],"at":[39],"root":[41],"substantial":[44],"line":[45],"work":[47],"on":[48,222],"high":[49],"resolution":[50],"spectral":[51,77],"estimation.":[52],"signals":[58],"from":[59,120,247],"discrete-time":[60],"samples":[61,136,145],"goal":[64],"sampling":[67,81],"theory":[68,109],"for":[69],"finite":[70],"rate":[71],"innovation":[73],"(FRI)":[74],"signals.":[75],"Both":[76],"and":[79,110,175,196,225,239],"FRI":[80,204,217],"usually":[82],"assume":[83],"uniform":[84,135,144],"sampling.":[85],"But":[86],"not":[87],"all":[88],"measurements":[89,174,251],"are":[90,146],"obtained":[91,158],"uniformly,":[92],"as":[93],"exemplified":[94],"by":[95,126,159],"concrete":[97],"radioastronomy":[98],"we":[100,106,185],"set":[101],"out":[102],"solve.":[104],"Thus,":[105],"develop":[107],"algorithm":[111,233],"reconstruct":[113,243],"typically":[116],"sum":[117],"sinusoids,":[119],"nonuniform":[121],"samples.":[122],"We":[123,192],"achieve":[124],"this":[125,182],"identifying":[127],"linear":[129],"transformation":[130],"that":[131,165],"relates":[132],"unknown":[134],"given":[141,173],"measurements.":[142],"These":[143],"known":[147],"satisfy":[149],"annihilation":[151,178],"equations.":[152],"A":[153],"valid":[154],"solution":[155],"then":[157],"solving":[160],"constrained":[162],"minimization":[163],"such":[164],"reconstructed":[167],"signal":[168],"consistent":[170],"with":[171,202,210],"satisfies":[176],"constraint.":[179],"Thanks":[180],"new":[183],"approach,":[184],"unify":[186],"variety":[188],"FRI-based":[190],"methods.":[191],"demonstrate":[193],"versatility":[195],"robustness":[197],"proposed":[200,232],"approach":[201],"five":[203],"reconstruction":[205],"problems,":[206],"namely":[207],"Dirac":[208,220],"reconstructions":[209,221,228],"irregular":[211],"Fourier":[214,250],"domain":[215],"samples,":[216],"curve":[218],"reconstructions,":[219],"sphere,":[224],"source":[227],"radioastronomy.":[230],"improves":[234],"substantially":[235],"over":[236],"state-of-the-art":[237],"methods":[238],"able":[241],"accurately":[246],"irregularly":[248],"sampled":[249],"under":[252],"severe":[253],"noise":[254],"conditions.":[255]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":15},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":7}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}