{"id":"https://openalex.org/W4392471396","doi":"https://doi.org/10.3390/rs16050913","title":"YOLOv7oSAR: A Lightweight High-Precision Ship Detection Model for SAR Images Based on the YOLOv7 Algorithm","display_name":"YOLOv7oSAR: A Lightweight High-Precision Ship Detection Model for SAR Images Based on the YOLOv7 Algorithm","publication_year":2024,"publication_date":"2024-03-05","ids":{"openalex":"https://openalex.org/W4392471396","doi":"https://doi.org/10.3390/rs16050913"},"language":"en","primary_location":{"id":"doi:10.3390/rs16050913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16050913","pdf_url":"https://www.mdpi.com/2072-4292/16/5/913/pdf?version=1709625704","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/2072-4292/16/5/913/pdf?version=1709625704","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056972566","display_name":"Yilin Liu","orcid":"https://orcid.org/0009-0009-4617-0703"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Yilin Liu","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100443245","display_name":"Yong Ma","orcid":"https://orcid.org/0000-0003-1400-534X"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Ma","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100674252","display_name":"Fu Chen","orcid":"https://orcid.org/0000-0002-9145-6702"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fu Chen","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078627630","display_name":"Erping Shang","orcid":"https://orcid.org/0000-0002-1918-9996"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Erping Shang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037494738","display_name":"Wutao Yao","orcid":"https://orcid.org/0000-0001-8693-8355"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wutao Yao","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085960035","display_name":"Shuyan Zhang","orcid":"https://orcid.org/0000-0002-1653-6809"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuyan Zhang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100643479","display_name":"Jin Yang","orcid":"https://orcid.org/0009-0003-5085-2439"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Yang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100674252"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":34.4303,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.99639971,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"16","issue":"5","first_page":"913","last_page":"913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9933000206947327,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9933000206947327,"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/T10036","display_name":"Advanced Neural Network Applications","score":0.987500011920929,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9818999767303467,"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":0.5662989020347595},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5014727115631104},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4469168782234192},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2593369781970978}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5662989020347595},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5014727115631104},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4469168782234192},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2593369781970978}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs16050913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16050913","pdf_url":"https://www.mdpi.com/2072-4292/16/5/913/pdf?version=1709625704","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:5d3d835c5a9b48aea356c1eb3123e7e6","is_oa":true,"landing_page_url":"https://doaj.org/article/5d3d835c5a9b48aea356c1eb3123e7e6","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 16, Iss 5, p 913 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs16050913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16050913","pdf_url":"https://www.mdpi.com/2072-4292/16/5/913/pdf?version=1709625704","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":[{"display_name":"Life below water","score":0.4300000071525574,"id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G1034256320","display_name":null,"funder_award_id":"AA20302022","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G133279496","display_name":null,"funder_award_id":"42201063","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3085993365","display_name":null,"funder_award_id":"(Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7726157001","display_name":null,"funder_award_id":"Grant No.","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":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4392471396.pdf"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W1536680647","https://openalex.org/W2044531722","https://openalex.org/W2076063977","https://openalex.org/W2106340939","https://openalex.org/W2113891352","https://openalex.org/W2130833801","https://openalex.org/W2193145675","https://openalex.org/W2570343428","https://openalex.org/W2606355182","https://openalex.org/W2613718673","https://openalex.org/W2632026579","https://openalex.org/W2762294195","https://openalex.org/W2774244034","https://openalex.org/W2775716424","https://openalex.org/W2803311755","https://openalex.org/W2919011445","https://openalex.org/W2928870406","https://openalex.org/W2943515156","https://openalex.org/W2962731685","https://openalex.org/W2963037989","https://openalex.org/W2963125010","https://openalex.org/W2964979676","https://openalex.org/W2991363140","https://openalex.org/W3006086117","https://openalex.org/W3012162230","https://openalex.org/W3032837604","https://openalex.org/W3035414587","https://openalex.org/W3038948729","https://openalex.org/W3096609285","https://openalex.org/W3103179390","https://openalex.org/W3106250896","https://openalex.org/W3111870206","https://openalex.org/W3119598238","https://openalex.org/W3136761610","https://openalex.org/W3138516171","https://openalex.org/W3170033848","https://openalex.org/W3171395710","https://openalex.org/W4200381407","https://openalex.org/W4212781487","https://openalex.org/W4213019189","https://openalex.org/W4225400583","https://openalex.org/W4312923835","https://openalex.org/W4365513629","https://openalex.org/W4386047745","https://openalex.org/W4386075524","https://openalex.org/W4386076325","https://openalex.org/W4389051589","https://openalex.org/W4404090460","https://openalex.org/W6751299283","https://openalex.org/W6782137339","https://openalex.org/W6796744688"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857"],"abstract_inverted_index":{"Researchers":[0],"have":[1],"explored":[2],"various":[3],"methods":[4,31,53],"to":[5,17,118,127],"fully":[6],"exploit":[7],"the":[8,66,114,134,145,162],"all-weather":[9],"characteristics":[10],"of":[11,87],"Synthetic":[12],"aperture":[13],"radar":[14],"(SAR)":[15],"images":[16],"achieve":[18],"high-precision,":[19],"real-time,":[20],"computationally":[21],"efficient,":[22],"and":[23,39,47,70,121,137,139,151,170],"easily":[24],"deployable":[25],"ship":[26,59,68,101],"target":[27,72,130],"detection":[28,102,111,159,182],"models.":[29],"These":[30],"include":[32],"Constant":[33],"False":[34],"Alarm":[35],"Rate":[36],"(CFAR)":[37],"algorithms":[38,56],"deep":[40],"learning":[41],"approaches":[42],"such":[43],"as":[44],"RCNN,":[45],"YOLO,":[46],"SSD,":[48],"among":[49],"others.":[50],"While":[51],"these":[52],"outperform":[54],"traditional":[55],"in":[57,64,74],"SAR":[58,75,100],"detection,":[60],"challenges":[61],"still":[62],"exist":[63],"handling":[65],"arbitrary":[67],"distributions":[69],"small":[71,129],"features":[73],"remote":[76],"sensing":[77],"images.":[78],"Existing":[79],"models":[80],"are":[81],"complex,":[82],"with":[83],"a":[84,95,108,123,141,177],"large":[85],"number":[86],"parameters,":[88],"hindering":[89],"effective":[90],"deployment.":[91],"This":[92],"paper":[93],"introduces":[94,122],"YOLOv7":[96],"oriented":[97],"bounding":[98],"box":[99,110],"model":[103,106,146,156],"(YOLOv7oSAR).":[104],"The":[105,154],"employs":[107],"rotation":[109],"mechanism,":[112],"uses":[113],"KLD":[115],"loss":[116],"function":[117],"enhance":[119],"accuracy,":[120],"Bi-former":[124],"attention":[125],"mechanism":[126],"improve":[128],"detection.":[131],"By":[132],"redesigning":[133],"network\u2019s":[135],"width":[136],"depth":[138],"incorporating":[140],"lightweight":[142],"P-ELAN":[143],"structure,":[144],"effectively":[147],"reduces":[148],"its":[149,171],"size":[150],"computational":[152],"requirements.":[153],"proposed":[155],"achieves":[157],"high-precision":[158],"results":[160],"on":[161,176],"public":[163],"RSDD":[164],"dataset":[165,179],"(94.8%":[166],"offshore,":[167],"66.6%":[168],"nearshore),":[169],"generalization":[172],"ability":[173],"is":[174],"validated":[175],"custom":[178],"(94.2%":[180],"overall":[181],"accuracy).":[183]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":9}],"updated_date":"2026-04-20T07:46:08.049788","created_date":"2025-10-10T00:00:00"}