{"id":"https://openalex.org/W3164413099","doi":"https://doi.org/10.3390/rs13091643","title":"Sparse SAR Imaging and Quantitative Evaluation Based on Nonconvex and TV Regularization","display_name":"Sparse SAR Imaging and Quantitative Evaluation Based on Nonconvex and TV Regularization","publication_year":2021,"publication_date":"2021-04-22","ids":{"openalex":"https://openalex.org/W3164413099","doi":"https://doi.org/10.3390/rs13091643","mag":"3164413099"},"language":"en","primary_location":{"id":"doi:10.3390/rs13091643","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091643","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1643/pdf?version=1619144010","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/9/1643/pdf?version=1619144010","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049102649","display_name":"Zhongqiu Xu","orcid":"https://orcid.org/0000-0003-3338-2482"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhongqiu Xu","raw_affiliation_strings":["Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","University of Chinese Academy of Sciences, Beijing 100190, China"],"raw_orcid":"https://orcid.org/0000-0003-3338-2482","affiliations":[{"raw_affiliation_string":"Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079669772","display_name":"Bingchen Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingchen Zhang","raw_affiliation_strings":["Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037824848","display_name":"Guoru Zhou","orcid":"https://orcid.org/0009-0007-3540-5824"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoru Zhou","raw_affiliation_strings":["Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","University of Chinese Academy of Sciences, Beijing 100190, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101798842","display_name":"Lihua Zhong","orcid":"https://orcid.org/0000-0002-2573-0101"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lihua Zhong","raw_affiliation_strings":["Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100560808","display_name":"Yirong Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yirong Wu","raw_affiliation_strings":["Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Spatial Information Processing and Application System Technology, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5049102649"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":17.5179,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.98530598,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"13","issue":"9","first_page":"1643","last_page":"1643"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9980000257492065,"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":0.7246250510215759},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7112485766410828},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.685325026512146},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5392168760299683},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4786176085472107},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.4425746202468872},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3855014145374298},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3626003861427307},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.267248272895813}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7246250510215759},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7112485766410828},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.685325026512146},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5392168760299683},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4786176085472107},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.4425746202468872},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3855014145374298},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3626003861427307},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.267248272895813}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13091643","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091643","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1643/pdf?version=1619144010","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:820149c7b9354273a1f78851700886c8","is_oa":true,"landing_page_url":"https://doaj.org/article/820149c7b9354273a1f78851700886c8","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 9, p 1643 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/9/1643/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13091643","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 13; Issue 9; Pages: 1643","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13091643","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13091643","pdf_url":"https://www.mdpi.com/2072-4292/13/9/1643/pdf?version=1619144010","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3164413099.pdf","grobid_xml":"https://content.openalex.org/works/W3164413099.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W289002709","https://openalex.org/W1973503417","https://openalex.org/W2005089986","https://openalex.org/W2010610937","https://openalex.org/W2028727259","https://openalex.org/W2047042135","https://openalex.org/W2063870433","https://openalex.org/W2082476922","https://openalex.org/W2091256848","https://openalex.org/W2100705753","https://openalex.org/W2111684260","https://openalex.org/W2120024360","https://openalex.org/W2123031198","https://openalex.org/W2123693211","https://openalex.org/W2142122312","https://openalex.org/W2154231875","https://openalex.org/W2155473288","https://openalex.org/W2169788685","https://openalex.org/W2423620120","https://openalex.org/W2597729909","https://openalex.org/W2599580024","https://openalex.org/W2620850570","https://openalex.org/W2800297188","https://openalex.org/W2811223718","https://openalex.org/W2903330865","https://openalex.org/W2921251704","https://openalex.org/W3013302728","https://openalex.org/W3095857818","https://openalex.org/W3101725723","https://openalex.org/W3105340263","https://openalex.org/W6613812410"],"related_works":["https://openalex.org/W2158224665","https://openalex.org/W2379589510","https://openalex.org/W4300044672","https://openalex.org/W2810730439","https://openalex.org/W1881631164","https://openalex.org/W2358292267","https://openalex.org/W2378166785","https://openalex.org/W1964277756","https://openalex.org/W2465351041","https://openalex.org/W2396448385"],"abstract_inverted_index":{"Sparse":[0],"signal":[1],"processing":[2],"has":[3,40],"been":[4],"used":[5],"in":[6,58,169],"synthetic":[7],"aperture":[8],"radar":[9],"(SAR)":[10],"imaging":[11,60,122,132],"due":[12],"to":[13,42,107],"the":[14,45,49,59,72,90,96,109,116,140,145,151,163,166,171,175,180],"maturity":[15],"of":[16,100,119,165],"compressed":[17],"sensing":[18],"theory.":[19],"As":[20],"a":[21,55,104],"typical":[22],"sparse":[23,130],"reconstruction":[24,172],"method,":[25,147],"L1":[26,76],"regularization":[27,77],"generally":[28],"causes":[29],"bias":[30,73],"effects":[31],"as":[32,34,54],"well":[33],"ignoring":[35],"region-based":[36,83],"features.":[37,84],"Our":[38],"team":[39],"proposed":[41,146,167],"linearly":[43],"combine":[44],"nonconvex":[46,63],"penalty":[47,53],"and":[48,64,82,94,124,148,158,174],"total":[50],"variation":[51],"(TV)-norm":[52],"compound":[56],"regularizer":[57],"model,":[61],"called":[62],"TV":[65],"regularization,":[66],"which":[67],"can":[68],"not":[69],"only":[70],"reduce":[71],"caused":[74],"by":[75],"but":[78],"also":[79],"enhance":[80],"point-based":[81],"In":[85,136],"this":[86],"paper,":[87],"we":[88,114,138],"use":[89],"variable":[91],"splitting":[92],"scheme":[93],"modify":[95],"alternating":[97],"direction":[98],"method":[99,168],"multipliers":[101],"(ADMM),":[102],"generating":[103],"novel":[105],"algorithm":[106],"solve":[108],"above":[110],"optimization":[111],"problem.":[112],"Moreover,":[113],"analyze":[115],"radiometric":[117,176],"properties":[118],"sparse-signal-processing-based":[120],"SAR":[121,131,153],"results":[123,157],"introduce":[125],"three":[126],"indexes":[127],"suitable":[128],"for":[129,133],"quantitative":[134],"evaluation.":[135],"experiments,":[137],"process":[139],"Gaofen-3":[141],"(GF-3)":[142],"data":[143],"utilizing":[144],"quantitatively":[149],"evaluate":[150],"reconstructed":[152],"image":[154,159],"quality.":[155],"Experimental":[156],"quality":[160],"analysis":[161],"verify":[162],"effectiveness":[164],"improving":[170],"accuracy":[173],"resolution":[177],"without":[178],"sacrificing":[179],"spatial":[181],"resolution.":[182]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2021-06-07T00:00:00"}
