{"id":"https://openalex.org/W2030454341","doi":"https://doi.org/10.1109/icassp.2014.6854631","title":"Signal processing challenges for radio astronomical arrays","display_name":"Signal processing challenges for radio astronomical arrays","publication_year":2014,"publication_date":"2014-05-01","ids":{"openalex":"https://openalex.org/W2030454341","doi":"https://doi.org/10.1109/icassp.2014.6854631","mag":"2030454341"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2014.6854631","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854631","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5033565717","display_name":"Stefan J. Wijnholds","orcid":"https://orcid.org/0000-0002-0463-3011"},"institutions":[{"id":"https://openalex.org/I922237871","display_name":"Netherlands Institute for Radio Astronomy","ror":"https://ror.org/000k1q888","country_code":"NL","type":"other","lineage":["https://openalex.org/I2800991832","https://openalex.org/I4405262988","https://openalex.org/I922237871"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"S. J. Wijnholds","raw_affiliation_strings":["Netherlands Institute for Radio Astronomy (ASTRON), Dwingeloo, The Netherlands","[Netherlands Inst. for Radio Astron., Dwingeloo, Netherlands]"],"affiliations":[{"raw_affiliation_string":"Netherlands Institute for Radio Astronomy (ASTRON), Dwingeloo, The Netherlands","institution_ids":["https://openalex.org/I922237871"]},{"raw_affiliation_string":"[Netherlands Inst. for Radio Astron., Dwingeloo, Netherlands]","institution_ids":["https://openalex.org/I922237871"]}]},{"author_position":"middle","author":{"id":null,"display_name":"A.-J. van der Veen","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":false,"raw_author_name":"A.-J. van der Veen","raw_affiliation_strings":["Delft University of Technology, Delft, The Netherlands","Delft University of Technology, Delft, Netherlands;"],"affiliations":[{"raw_affiliation_string":"Delft University of Technology, Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Delft University of Technology, Delft, Netherlands;","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018015305","display_name":"Fabrizio Stefani","orcid":"https://orcid.org/0000-0001-5200-0529"},"institutions":[{"id":"https://openalex.org/I76806421","display_name":"SELEX Sistemi Integrati","ror":"https://ror.org/02sj0zy88","country_code":"IT","type":"company","lineage":["https://openalex.org/I76806421"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"F. De Stefani","raw_affiliation_strings":["Selex ES, Rome, Italy","[Selex ES, Rome, Italy]"],"affiliations":[{"raw_affiliation_string":"Selex ES, Rome, Italy","institution_ids":["https://openalex.org/I76806421"]},{"raw_affiliation_string":"[Selex ES, Rome, Italy]","institution_ids":["https://openalex.org/I76806421"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071065433","display_name":"Everton Rosa","orcid":null},"institutions":[{"id":"https://openalex.org/I76806421","display_name":"SELEX Sistemi Integrati","ror":"https://ror.org/02sj0zy88","country_code":"IT","type":"company","lineage":["https://openalex.org/I76806421"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"E. La Rosa","raw_affiliation_strings":["Selex ES, Rome (Italy)","[Selex ES, Rome, Italy]"],"affiliations":[{"raw_affiliation_string":"Selex ES, Rome (Italy)","institution_ids":["https://openalex.org/I76806421"]},{"raw_affiliation_string":"[Selex ES, Rome, Italy]","institution_ids":["https://openalex.org/I76806421"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045179998","display_name":"Alfonso Farina","orcid":"https://orcid.org/0000-0003-3247-2427"},"institutions":[{"id":"https://openalex.org/I76806421","display_name":"SELEX Sistemi Integrati","ror":"https://ror.org/02sj0zy88","country_code":"IT","type":"company","lineage":["https://openalex.org/I76806421"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A. Farina","raw_affiliation_strings":["Selex ES, Rome, Italy","[Selex ES, Rome, Italy]"],"affiliations":[{"raw_affiliation_string":"Selex ES, Rome, Italy","institution_ids":["https://openalex.org/I76806421"]},{"raw_affiliation_string":"[Selex ES, Rome, Italy]","institution_ids":["https://openalex.org/I76806421"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5033565717"],"corresponding_institution_ids":["https://openalex.org/I922237871"],"apc_list":null,"apc_paid":null,"fwci":1.8219,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.85306828,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"15","issue":null,"first_page":"5382","last_page":"5386"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":1.0,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9983999729156494,"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"}},{"id":"https://openalex.org/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":0.9891999959945679,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sketch","display_name":"Sketch","score":0.75391685962677},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6203128099441528},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6063054203987122},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5161389112472534},{"id":"https://openalex.org/keywords/radio-astronomy","display_name":"Radio astronomy","score":0.4911036491394043},{"id":"https://openalex.org/keywords/radio-telescope","display_name":"Radio telescope","score":0.48821118474006653},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.46698659658432007},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.43562930822372437},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4259183704853058},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.41999128460884094},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.34906256198883057},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3466762900352478},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3318898677825928},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.271212100982666},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.27084922790527344},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.2547779679298401},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.20650169253349304},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.17444723844528198},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1623801589012146},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14131322503089905},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13031241297721863},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.11551612615585327}],"concepts":[{"id":"https://openalex.org/C2779231336","wikidata":"https://www.wikidata.org/wiki/Q7534724","display_name":"Sketch","level":2,"score":0.75391685962677},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6203128099441528},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6063054203987122},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5161389112472534},{"id":"https://openalex.org/C150143219","wikidata":"https://www.wikidata.org/wiki/Q4306","display_name":"Radio astronomy","level":2,"score":0.4911036491394043},{"id":"https://openalex.org/C161813005","wikidata":"https://www.wikidata.org/wiki/Q184356","display_name":"Radio telescope","level":2,"score":0.48821118474006653},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.46698659658432007},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.43562930822372437},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4259183704853058},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.41999128460884094},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.34906256198883057},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3466762900352478},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3318898677825928},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.271212100982666},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.27084922790527344},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.2547779679298401},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.20650169253349304},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.17444723844528198},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1623801589012146},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14131322503089905},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13031241297721863},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.11551612615585327}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2014.6854631","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854631","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.696.7714","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.696.7714","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ens.ewi.tudelft.nl/pubs/aj14icassp2.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1550110286","https://openalex.org/W1613559169","https://openalex.org/W1910115052","https://openalex.org/W1924943363","https://openalex.org/W2001335441","https://openalex.org/W2014455497","https://openalex.org/W2033987995","https://openalex.org/W2034938174","https://openalex.org/W2056103929","https://openalex.org/W2083684520","https://openalex.org/W2104738928","https://openalex.org/W2108960230","https://openalex.org/W2112516052","https://openalex.org/W2147626801","https://openalex.org/W2153134275","https://openalex.org/W2159291599","https://openalex.org/W2159472379","https://openalex.org/W2189948602","https://openalex.org/W3099843483","https://openalex.org/W3101114843","https://openalex.org/W3102932901","https://openalex.org/W3103485157","https://openalex.org/W3123356449","https://openalex.org/W6636321707","https://openalex.org/W6640207143"],"related_works":["https://openalex.org/W631738729","https://openalex.org/W2132027201","https://openalex.org/W3199998315","https://openalex.org/W1487186047","https://openalex.org/W2560074728","https://openalex.org/W2002892242","https://openalex.org/W4378841850","https://openalex.org/W2028113084","https://openalex.org/W2416608918","https://openalex.org/W2146845382"],"abstract_inverted_index":{"Current":[0],"and":[1,37,48],"future":[2,70],"radio":[3,71],"telescopes,":[4],"in":[5],"particular":[6],"the":[7,59],"Square":[8],"Kilometre":[9],"Array":[10],"(SKA),":[11],"are":[12],"envisaged":[13],"to":[14,45,69,89],"produce":[15],"large":[16],"images":[17],"(>":[18],"10":[19],"<sup":[20],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[21],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">8</sup>":[22],"pixels)":[23],"with":[24,91],"over":[25],"60":[26],"dB":[27],"dynamic":[28],"range.":[29],"This":[30],"poses":[31],"a":[32,83],"number":[33,84],"of":[34,50,61,85],"image":[35,46],"reconstruction":[36,47],"technological":[38],"challenges,":[39],"which":[40],"will":[41],"require":[42],"novel":[43],"approaches":[44],"design":[49],"data":[51],"processing":[52],"systems.":[53],"In":[54],"this":[55],"paper,":[56],"we":[57],"sketch":[58],"limitations":[60],"current":[62],"algorithms":[63],"by":[64,76],"extrapolating":[65],"their":[66,78],"computational":[67],"requirements":[68],"telescopes":[72],"as":[73,75],"well":[74],"discussing":[77],"imaging":[79],"limitations.":[80],"We":[81],"discuss":[82],"potential":[86],"research":[87],"directions":[88],"cope":[90],"these":[92],"challenges.":[93]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}