{"id":"https://openalex.org/W4409494604","doi":"https://doi.org/10.1109/jstars.2025.3561516","title":"Enhancing Few-Shot SAR Ship Recognition: Pseudospectrum Information Generation and Fusion","display_name":"Enhancing Few-Shot SAR Ship Recognition: Pseudospectrum Information Generation and Fusion","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4409494604","doi":"https://doi.org/10.1109/jstars.2025.3561516"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2025.3561516","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2025.3561516","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/jstars.2025.3561516","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069548273","display_name":"Gui Gao","orcid":"https://orcid.org/0000-0003-4596-5829"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gui Gao","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-4596-5829","affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":null,"display_name":"WenXi Liu","orcid":"https://orcid.org/0009-0001-9083-3203"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"WenXi Liu","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0001-9083-3203","affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xi Zhang","orcid":"https://orcid.org/0000-0001-7907-6363"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Zhang","raw_affiliation_strings":["Laboratory of Marine Physics and Remote Sensing, First Institute of Oceanography, Ministry of Natural Resources, Qingdao, China"],"raw_orcid":"https://orcid.org/0000-0001-7907-6363","affiliations":[{"raw_affiliation_string":"Laboratory of Marine Physics and Remote Sensing, First Institute of Oceanography, Ministry of Natural Resources, Qingdao, China","institution_ids":["https://openalex.org/I211433327","https://openalex.org/I4210114556"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":8.7648,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.96616017,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"18","issue":null,"first_page":"13825","last_page":"13843"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9843000173568726,"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":0.9843000173568726,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9678000211715698,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9294999837875366,"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/computer-science","display_name":"Computer science","score":0.6125244498252869},{"id":"https://openalex.org/keywords/shot","display_name":"Shot (pellet)","score":0.49663883447647095},{"id":"https://openalex.org/keywords/fusion","display_name":"Fusion","score":0.4819295406341553},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4748295247554779},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41114020347595215},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3667314648628235},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10798639059066772}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6125244498252869},{"id":"https://openalex.org/C2778344882","wikidata":"https://www.wikidata.org/wiki/Q278938","display_name":"Shot (pellet)","level":2,"score":0.49663883447647095},{"id":"https://openalex.org/C158525013","wikidata":"https://www.wikidata.org/wiki/Q2593739","display_name":"Fusion","level":2,"score":0.4819295406341553},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4748295247554779},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41114020347595215},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3667314648628235},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10798639059066772},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2025.3561516","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2025.3561516","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:b8367bc8b83c4fc592d7f8d643e6c3c4","is_oa":true,"landing_page_url":"https://doaj.org/article/b8367bc8b83c4fc592d7f8d643e6c3c4","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":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 18, Pp 13825-13843 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2025.3561516","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2025.3561516","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5652913020","display_name":null,"funder_award_id":"U24A20589","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":68,"referenced_works":["https://openalex.org/W1580389772","https://openalex.org/W1885185971","https://openalex.org/W1903029394","https://openalex.org/W1965572316","https://openalex.org/W2031489346","https://openalex.org/W2078179989","https://openalex.org/W2100495367","https://openalex.org/W2163345210","https://openalex.org/W2165698076","https://openalex.org/W2183341477","https://openalex.org/W2194775991","https://openalex.org/W2295107390","https://openalex.org/W2520774990","https://openalex.org/W2559324447","https://openalex.org/W2747165560","https://openalex.org/W2787894218","https://openalex.org/W2914873705","https://openalex.org/W2928007866","https://openalex.org/W2940726923","https://openalex.org/W2944029760","https://openalex.org/W2962793481","https://openalex.org/W2963037989","https://openalex.org/W2963073614","https://openalex.org/W2963101867","https://openalex.org/W2963446712","https://openalex.org/W2963470893","https://openalex.org/W2996738528","https://openalex.org/W3001606623","https://openalex.org/W3012162230","https://openalex.org/W3014044730","https://openalex.org/W3038948729","https://openalex.org/W3092053846","https://openalex.org/W3132437036","https://openalex.org/W3171873561","https://openalex.org/W3184840388","https://openalex.org/W3203245760","https://openalex.org/W3208019692","https://openalex.org/W4221034033","https://openalex.org/W4232083072","https://openalex.org/W4319163914","https://openalex.org/W4384009339","https://openalex.org/W4385147506","https://openalex.org/W4386590621","https://openalex.org/W4388936925","https://openalex.org/W4389459336","https://openalex.org/W4390872297","https://openalex.org/W4392122189","https://openalex.org/W4393154017","https://openalex.org/W4402569824","https://openalex.org/W4404479797","https://openalex.org/W4404480523","https://openalex.org/W4404788345","https://openalex.org/W4405632855","https://openalex.org/W4405897510","https://openalex.org/W4406457877","https://openalex.org/W4407591267","https://openalex.org/W6680140577","https://openalex.org/W6717697761","https://openalex.org/W6738884980","https://openalex.org/W6743857607","https://openalex.org/W6746951097","https://openalex.org/W6747218270","https://openalex.org/W6766150548","https://openalex.org/W6779326418","https://openalex.org/W6781734511","https://openalex.org/W6783596713","https://openalex.org/W6810053609","https://openalex.org/W6875897452"],"related_works":["https://openalex.org/W2074502265","https://openalex.org/W4214877189","https://openalex.org/W2773965352","https://openalex.org/W2381179799","https://openalex.org/W2980279061","https://openalex.org/W2334685461","https://openalex.org/W2366718574","https://openalex.org/W2359774528","https://openalex.org/W4298312966","https://openalex.org/W4252699458"],"abstract_inverted_index":{"The":[0],"limited":[1],"number":[2],"of":[3,12,23,47,56,86,102,161],"samples":[4],"in":[5,164],"SAR":[6,24,38,167],"ship":[7,39,168],"datasets":[8,48],"hampers":[9],"the":[10,20,37,71,84,99,159],"advancement":[11],"target":[13,33,57,110],"recognition":[14,34,58,111,130],"performance":[15],"using":[16,154],"deep":[17,100],"learning.":[18],"Given":[19],"complex-valued":[21],"nature":[22],"data,":[25],"incorporating":[26],"spectrum":[27,51,65,88,103],"information":[28,52,79,116],"is":[29,80,94,121],"beneficial":[30],"for":[31],"few-shot":[32,109,166],"methods.":[35,131],"However,":[36],"domain":[40],"faces":[41],"two":[42],"significant":[43],"issues:":[44],"a":[45,54,75,91,108],"scarcity":[46],"that":[49,135],"include":[50],"and":[53,104,118,125,138,148],"lack":[55],"networks":[59],"specifically":[60],"designed":[61,95],"to":[62,69,82,96,152],"leverage":[63],"this":[64],"information.":[66,89,106],"In":[67],"order":[68],"solve":[70,83],"above":[72],"problems,":[73],"first,":[74],"SpecGenGANwith":[76],"generating":[77],"pseudospectrum":[78],"proposed":[81],"problem":[85],"missing":[87],"Second,":[90],"SpecAmpFusionNet":[92],"(SAFN)":[93],"fully":[97],"exploit":[98],"features":[101],"amplitude":[105,156],"Finally,":[107],"method":[112,142],"based":[113],"on":[114],"pseudo-spectrum":[115],"generation":[117],"fusion":[119],"network":[120],"presented,":[122],"allowing":[123],"flexibility":[124],"integration":[126],"with":[127],"various":[128],"popular":[129],"Experimental":[132],"results":[133],"demonstrate":[134],"under":[136],"3way-10shots":[137],"5way-10shots":[139],"conditions,":[140],"our":[141,162],"improves":[143],"average":[144],"accuracies":[145],"by":[146],"12.04%":[147],"10.83%,":[149],"respectively,":[150],"compared":[151],"methods":[153],"only":[155],"information,":[157],"validating":[158],"effectiveness":[160],"approach":[163],"enhancing":[165],"recognition.":[169]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
