{"id":"https://openalex.org/W2248124113","doi":"https://doi.org/10.1109/tgrs.2015.2473705","title":"High-Resolution SAR-Based Ground Moving Target Imaging With Defocused ROI Data","display_name":"High-Resolution SAR-Based Ground Moving Target Imaging With Defocused ROI Data","publication_year":2015,"publication_date":"2015-09-16","ids":{"openalex":"https://openalex.org/W2248124113","doi":"https://doi.org/10.1109/tgrs.2015.2473705","mag":"2248124113"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2015.2473705","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2015.2473705","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","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/A5100368754","display_name":"Yuan Zhang","orcid":"https://orcid.org/0000-0003-0670-2428"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuan Zhang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100778202","display_name":"Jinping Sun","orcid":"https://orcid.org/0000-0002-7184-5057"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinping Sun","raw_affiliation_strings":["School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043565689","display_name":"Peng Lei","orcid":"https://orcid.org/0000-0001-7422-0258"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Lei","raw_affiliation_strings":["School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100438655","display_name":"Gang Li","orcid":"https://orcid.org/0000-0001-9755-2781"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gang Li","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101750735","display_name":"Wen Hong","orcid":"https://orcid.org/0000-0002-8645-2264"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Hong","raw_affiliation_strings":["National Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210110458","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100368754"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":64.1621,"has_fulltext":false,"cited_by_count":77,"citation_normalized_percentile":{"value":0.99614549,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"54","issue":"2","first_page":"1062","last_page":"1073"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9987999796867371,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9968000054359436,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6411476731300354},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6342325210571289},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6220313906669617},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6019735932350159},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5790798664093018},{"id":"https://openalex.org/keywords/clutter","display_name":"Clutter","score":0.5561792254447937},{"id":"https://openalex.org/keywords/region-of-interest","display_name":"Region of interest","score":0.5537190437316895},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5331885814666748},{"id":"https://openalex.org/keywords/deblurring","display_name":"Deblurring","score":0.45300212502479553},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.4469791054725647},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4296319782733917},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37297144532203674},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3236100971698761},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.3047866225242615},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.29180437326431274},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.2867419719696045},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18482300639152527},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.17172905802726746},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.16561737656593323},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.1408955454826355}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6411476731300354},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6342325210571289},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6220313906669617},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6019735932350159},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5790798664093018},{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.5561792254447937},{"id":"https://openalex.org/C19609008","wikidata":"https://www.wikidata.org/wiki/Q2138203","display_name":"Region of interest","level":2,"score":0.5537190437316895},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5331885814666748},{"id":"https://openalex.org/C2777693668","wikidata":"https://www.wikidata.org/wiki/Q25053743","display_name":"Deblurring","level":5,"score":0.45300212502479553},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.4469791054725647},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4296319782733917},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37297144532203674},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3236100971698761},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3047866225242615},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.29180437326431274},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.2867419719696045},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18482300639152527},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17172905802726746},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.16561737656593323},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.1408955454826355},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2015.2473705","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2015.2473705","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1445043331","display_name":null,"funder_award_id":"61501011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2496957729","display_name":null,"funder_award_id":"61422110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4959846173","display_name":null,"funder_award_id":"41271011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8765208294","display_name":null,"funder_award_id":"61471019","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W953375362","https://openalex.org/W1569051419","https://openalex.org/W1938511507","https://openalex.org/W1965292958","https://openalex.org/W1975140396","https://openalex.org/W1990604245","https://openalex.org/W1993841292","https://openalex.org/W1994975612","https://openalex.org/W2013097188","https://openalex.org/W2022619235","https://openalex.org/W2025327910","https://openalex.org/W2050499609","https://openalex.org/W2056210040","https://openalex.org/W2061549181","https://openalex.org/W2067341384","https://openalex.org/W2071845518","https://openalex.org/W2075612852","https://openalex.org/W2088076032","https://openalex.org/W2097161998","https://openalex.org/W2098115576","https://openalex.org/W2098543829","https://openalex.org/W2100043046","https://openalex.org/W2100696561","https://openalex.org/W2105410439","https://openalex.org/W2125293160","https://openalex.org/W2127769464","https://openalex.org/W2128959024","https://openalex.org/W2133751420","https://openalex.org/W2141325030","https://openalex.org/W2147016563","https://openalex.org/W2158617925","https://openalex.org/W2159659659","https://openalex.org/W2159946625","https://openalex.org/W2159969217","https://openalex.org/W2160042527","https://openalex.org/W2160435684","https://openalex.org/W2168828182","https://openalex.org/W2171912497","https://openalex.org/W2271808363","https://openalex.org/W2542722161"],"related_works":["https://openalex.org/W3200192952","https://openalex.org/W2062923025","https://openalex.org/W4308216825","https://openalex.org/W4312281738","https://openalex.org/W3009226622","https://openalex.org/W3015323103","https://openalex.org/W2786875726","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2089206135"],"abstract_inverted_index":{"In":[0,74],"a":[1,8,31,95],"conventional":[2,32,147],"synthetic":[3,198],"aperture":[4],"radar":[5],"(SAR)":[6],"image,":[7],"moving":[9,44,142,150],"target":[10,45,151],"may":[11],"be":[12],"smeared":[13],"and":[14,60,126,191,199],"displaced.":[15],"Taking":[16],"direct":[17],"action":[18],"on":[19,114,171,197],"the":[20,28,42,58,64,72,81,89,98,108,115,119,130,136,141,146,158,162,166,172,185,207,210],"defocused":[21,174],"region":[22],"of":[23,30,41,66,71,77,97,140,149,209],"interest":[24],"(ROI)":[25],"data":[26,160,201],"from":[27,145,161],"result":[29],"imaging":[33,39],"algorithm,":[34],"this":[35],"paper":[36],"presents":[37],"an":[38,67],"method":[40,168],"ground":[43],"in":[46],"high-resolution":[47],"SAR.":[48],"A":[49],"2-D":[50],"equivalent":[51,78,109,121],"velocity":[52,79,110,122],"parameter":[53,111],"space":[54],"is":[55,84,103,123,182],"built":[56],"along":[57],"azimuth":[59],"range":[61],"directions":[62],"with":[63,105],"derivation":[65],"exact":[68],"analytic":[69],"expression":[70],"ROI.":[73,131],"each":[75],"pair":[76],"parameters,":[80],"Stolt":[82],"interpolation":[83],"used":[85],"herein":[86],"to":[87,107,157,205],"remove":[88],"residual":[90],"phase":[91],"error.":[92],"After":[93],"that,":[94],"graph":[96],"ROI":[99,164,175],"complex":[100],"subimage":[101,176],"contrast":[102,117],"produced":[104],"respect":[106],"space.":[112],"Based":[113],"maximum":[116],"principle,":[118],"desired":[120],"then":[124],"estimated":[125],"applied":[127],"for":[128,184],"deblurring":[129],"Finally,":[132],"we":[133],"can":[134],"achieve":[135],"refocused":[137],"SAR":[138],"image":[139],"target.":[143],"Different":[144],"approach":[148],"autofocusing":[152],"that":[153],"requires":[154],"resynthesizing":[155,179],"back":[156],"full":[159],"cropped":[163],"data,":[165],"proposed":[167,211],"directly":[169],"operates":[170],"small-sized":[173],"without":[177],"any":[178],"operations.":[180],"It":[181],"helpful":[183],"computational":[186],"burden":[187],"reduction,":[188],"procedure":[189],"simplification,":[190],"clutter":[192],"interference":[193],"suppression.":[194],"The":[195],"experiments":[196],"real":[200],"are":[202],"carried":[203],"out":[204],"validate":[206],"effectiveness":[208],"method.":[212]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":17},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":4},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-14T08:04:32.555800","created_date":"2025-10-10T00:00:00"}