{"id":"https://openalex.org/W4399849403","doi":"https://doi.org/10.1109/lgrs.2024.3416996","title":"Sparsity-Driven Stripmap SAR Imaging and Phase Error Estimation Based on Phase Curvature Autofocus","display_name":"Sparsity-Driven Stripmap SAR Imaging and Phase Error Estimation Based on Phase Curvature Autofocus","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4399849403","doi":"https://doi.org/10.1109/lgrs.2024.3416996"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2024.3416996","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3416996","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5000824479","display_name":"Deshui Yu","orcid":"https://orcid.org/0000-0001-5297-5051"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Deshui Yu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101361808","display_name":"Ziyi Zhu","orcid":"https://orcid.org/0009-0008-4417-2644"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyi Zhu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015233801","display_name":"Jingjing Zhang","orcid":"https://orcid.org/0000-0003-1180-6002"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjing Zhang","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049931441","display_name":"Yufan Song","orcid":"https://orcid.org/0009-0007-5338-502X"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yufan Song","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101568772","display_name":"Hui Bi","orcid":"https://orcid.org/0000-0002-9357-8412"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Bi","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, and the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5000824479"],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":0.6417,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.71330657,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"21","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9819999933242798,"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/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","score":0.9574999809265137,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/autofocus","display_name":"Autofocus","score":0.8836454153060913},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7218914031982422},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6287558078765869},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.5930922031402588},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5255050659179688},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.47912904620170593},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.4755144715309143},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45485782623291016},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.21443668007850647},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.17560139298439026},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1513790786266327},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10546514391899109},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.10297194123268127}],"concepts":[{"id":"https://openalex.org/C103764139","wikidata":"https://www.wikidata.org/wiki/Q210008","display_name":"Autofocus","level":3,"score":0.8836454153060913},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7218914031982422},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6287558078765869},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5930922031402588},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5255050659179688},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.47912904620170593},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.4755144715309143},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45485782623291016},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.21443668007850647},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17560139298439026},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1513790786266327},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10546514391899109},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.10297194123268127},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2024.3416996","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3416996","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2857727568","display_name":null,"funder_award_id":"62271248","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3141156363","display_name":null,"funder_award_id":"BK20230090","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W1986748469","https://openalex.org/W2016626869","https://openalex.org/W2017832133","https://openalex.org/W2028373922","https://openalex.org/W2099528392","https://openalex.org/W2111684260","https://openalex.org/W2136005975","https://openalex.org/W2164627022","https://openalex.org/W2997785052","https://openalex.org/W3086360185","https://openalex.org/W3094881640","https://openalex.org/W4210367791","https://openalex.org/W4285173955","https://openalex.org/W4361756919","https://openalex.org/W6684004544"],"related_works":["https://openalex.org/W2763904007","https://openalex.org/W1749329330","https://openalex.org/W2083992722","https://openalex.org/W1755453833","https://openalex.org/W2088264922","https://openalex.org/W2054220418","https://openalex.org/W3007803710","https://openalex.org/W2557037589","https://openalex.org/W2065642904","https://openalex.org/W2040249954"],"abstract_inverted_index":{"The":[0],"phase":[1,55,93,105,110,147],"curvature":[2],"autofocus":[3],"(PCA)":[4],"is":[5,32,69,81,97,119],"an":[6],"autofocusing":[7,46],"algorithm":[8,159],"with":[9,104,142,152],"high":[10],"efficiency":[11],"and":[12,30,58,90,163],"excellent":[13],"robustness.":[14],"However,":[15],"its":[16],"accuracy":[17],"will":[18],"be":[19,179],"severely":[20],"affected":[21],"by":[22,72],"the":[23,62,65,73,101,109,113,123,129,153,171,174],"signal-to-noise":[24],"ratio":[25],"(SNR)":[26],"of":[27,146,156,173],"range-compressed":[28],"data,":[29],"it":[31],"not":[33],"suitable":[34],"for":[35,49],"downsampled":[36,133],"data.":[37,135],"In":[38,61],"this":[39],"letter,":[40],"we":[41],"propose":[42],"a":[43,82],"novel":[44],"sparse":[45,83,116,168],"imaging":[47,84,117,169],"method":[48,118],"stripmap":[50],"synthetic":[51],"aperture":[52],"radar":[53],"(SAR)":[54],"error":[56,148],"correction":[57],"image":[59,68,92,103,127,177],"reconstruction.":[60],"proposed":[63,175],"method,":[64,170],"initial":[66],"SAR":[67,126],"first":[70],"recovered":[71],"Bi":[74],"iterative":[75,164],"soft":[76,165],"thresholding":[77,166],"(BiIST)":[78],"algorithm,":[79],"which":[80],"technology":[85],"that":[86,150],"can":[87,178],"suppress":[88],"noise":[89],"maintain":[91],"information.":[94],"Then,":[95],"PCA":[96],"used":[98,120],"to":[99,107,121],"process":[100],"reconstructed":[102,154],"information":[106],"estimate":[108],"error.":[111],"Finally,":[112],"approximated":[114],"observation-based":[115],"obtain":[122],"precisely":[124],"focused":[125],"from":[128],"compensated":[130],"full-sampled":[131],"or":[132],"echo":[134],"Experimental":[136],"results":[137,155],"based":[138],"on":[139],"simulated":[140],"data":[141],"adding":[143],"different":[144],"kinds":[145],"show":[149],"compared":[151],"chirp":[157],"scaling":[158],"(CSA),":[160],"traditional":[161],"PCA,":[162],"(IST)-based":[167],"contrast":[172],"method-based":[176],"improved":[180],"at":[181],"least":[182],"30%.":[183]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
