{"id":"https://openalex.org/W2406857063","doi":"https://doi.org/10.1109/icassp.2016.7472291","title":"Radioastronomical image reconstruction with regularized least squares","display_name":"Radioastronomical image reconstruction with regularized least squares","publication_year":2016,"publication_date":"2016-03-01","ids":{"openalex":"https://openalex.org/W2406857063","doi":"https://doi.org/10.1109/icassp.2016.7472291","mag":"2406857063"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2016.7472291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2016.7472291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 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/A5049066275","display_name":"Shahrzad Naghibzadeh","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":"Shahrzad Naghibzadeh","raw_affiliation_strings":["Faculty of EEMCS, Delft University of Technology, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Faculty of EEMCS, Delft University of Technology, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029222911","display_name":"Ahmad Mouri Sardarabadi","orcid":"https://orcid.org/0000-0002-7207-9665"},"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":"Ahmad Mouri Sardarabadi","raw_affiliation_strings":["Technische Universiteit Delft, Delft, Zuid-Holland, NL"],"affiliations":[{"raw_affiliation_string":"Technische Universiteit Delft, Delft, Zuid-Holland, NL","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011134257","display_name":"A. van Veen","orcid":"https://orcid.org/0000-0003-4249-585X"},"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":"Alle-Jan van der Veen","raw_affiliation_strings":["Faculty of EEMCS, Delft University of Technology, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Faculty of EEMCS, Delft University of Technology, The Netherlands","institution_ids":["https://openalex.org/I98358874"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5049066275"],"corresponding_institution_ids":["https://openalex.org/I98358874"],"apc_list":null,"apc_paid":null,"fwci":0.79,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.77926569,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"15","issue":null,"first_page":"3316","last_page":"3320"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9998000264167786,"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":0.9998000264167786,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11946","display_name":"Antenna Design and Optimization","score":0.9975000023841858,"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/lofar","display_name":"LOFAR","score":0.8648957014083862},{"id":"https://openalex.org/keywords/radio-telescope","display_name":"Radio telescope","score":0.7541227340698242},{"id":"https://openalex.org/keywords/deconvolution","display_name":"Deconvolution","score":0.6473023891448975},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5346253514289856},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.5206210613250732},{"id":"https://openalex.org/keywords/radio-astronomy","display_name":"Radio astronomy","score":0.5041664838790894},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4971454441547394},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.4871344268321991},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.46692320704460144},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45100533962249756},{"id":"https://openalex.org/keywords/telescope","display_name":"Telescope","score":0.42949923872947693},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.42681849002838135},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3727060854434967},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.334431529045105},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33126044273376465},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3181118667125702},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.26794469356536865},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.23033800721168518},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.21529513597488403},{"id":"https://openalex.org/keywords/astrophysics","display_name":"Astrophysics","score":0.09849604964256287}],"concepts":[{"id":"https://openalex.org/C2780590096","wikidata":"https://www.wikidata.org/wiki/Q104528246","display_name":"LOFAR","level":3,"score":0.8648957014083862},{"id":"https://openalex.org/C161813005","wikidata":"https://www.wikidata.org/wiki/Q184356","display_name":"Radio telescope","level":2,"score":0.7541227340698242},{"id":"https://openalex.org/C174576160","wikidata":"https://www.wikidata.org/wiki/Q1183700","display_name":"Deconvolution","level":2,"score":0.6473023891448975},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5346253514289856},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.5206210613250732},{"id":"https://openalex.org/C150143219","wikidata":"https://www.wikidata.org/wiki/Q4306","display_name":"Radio astronomy","level":2,"score":0.5041664838790894},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4971454441547394},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.4871344268321991},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.46692320704460144},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45100533962249756},{"id":"https://openalex.org/C2780848835","wikidata":"https://www.wikidata.org/wiki/Q4213","display_name":"Telescope","level":2,"score":0.42949923872947693},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.42681849002838135},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3727060854434967},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.334431529045105},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33126044273376465},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3181118667125702},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.26794469356536865},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.23033800721168518},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.21529513597488403},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.09849604964256287},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2016.7472291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2016.7472291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:tudelft.nl:uuid:c049f07f-037e-434d-b834-1178fc669a3b","is_oa":false,"landing_page_url":"http://resolver.tudelft.nl/uuid:c049f07f-037e-434d-b834-1178fc669a3b","pdf_url":null,"source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W842217899","https://openalex.org/W1613559169","https://openalex.org/W1633529777","https://openalex.org/W1910115052","https://openalex.org/W2019945856","https://openalex.org/W2029027380","https://openalex.org/W2049003095","https://openalex.org/W2074115437","https://openalex.org/W2098876315","https://openalex.org/W2109533457","https://openalex.org/W2124677408","https://openalex.org/W2144912744","https://openalex.org/W2161192450","https://openalex.org/W3023201122","https://openalex.org/W3098270267","https://openalex.org/W6636321707"],"related_works":["https://openalex.org/W2006948930","https://openalex.org/W2894380952","https://openalex.org/W3163922883","https://openalex.org/W2896064847","https://openalex.org/W2132027201","https://openalex.org/W2729340898","https://openalex.org/W2157359579","https://openalex.org/W2975778205","https://openalex.org/W5675648","https://openalex.org/W2597147531"],"abstract_inverted_index":{"Image":[0],"formation":[1],"using":[2,83],"the":[3,63,67,72,76,80,84,104,106],"data":[4,97],"from":[5,98],"an":[6],"array":[7],"of":[8,46,62,66,79],"sensors":[9],"is":[10],"a":[11,31,99],"familiar":[12],"problem":[13,26,36],"in":[14,103],"many":[15],"fields":[16],"such":[17],"as":[18,30,93,95],"radio":[19,101],"astronomy,":[20],"biomedical":[21],"and":[22,37,71],"geodetic":[23],"imaging.":[24],"The":[25,87],"can":[27],"be":[28],"formulated":[29],"least":[32],"squares":[33],"(LS)":[34],"estimation":[35],"becomes":[38],"ill-posed":[39],"at":[40],"high":[41],"resolutions,":[42],"i.e.":[43],"large":[44],"number":[45],"image":[47,68],"pixels.":[48],"In":[49],"this":[50],"paper":[51],"we":[52],"propose":[53],"two":[54],"regularization":[55],"methods,":[56],"one":[57],"based":[58,74],"on":[59,75],"weighted":[60],"truncation":[61],"eigenvalue":[64],"decomposition":[65],"deconvolution":[69],"matrix":[70],"other":[73],"prior":[77],"knowledge":[78],"\"dirty":[81],"image\"":[82],"available":[85],"data.":[86],"methods":[88],"are":[89],"evaluated":[90],"by":[91],"simulations":[92],"well":[94],"actual":[96],"phased-array":[100],"telescope":[102],"Netherlands,":[105],"Low":[107],"Frequency":[108],"Array":[109],"Radio":[110],"Telescope":[111],"(LOFAR).":[112]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}