{"id":"https://openalex.org/W4389247151","doi":"https://doi.org/10.3390/rs15235601","title":"Polarimetric Synthetic Aperture Radar Ship Potential Area Extraction Based on Neighborhood Semantic Differences of the Latent Dirichlet Allocation Bag-of-Words Topic Model","display_name":"Polarimetric Synthetic Aperture Radar Ship Potential Area Extraction Based on Neighborhood Semantic Differences of the Latent Dirichlet Allocation Bag-of-Words Topic Model","publication_year":2023,"publication_date":"2023-12-01","ids":{"openalex":"https://openalex.org/W4389247151","doi":"https://doi.org/10.3390/rs15235601"},"language":"en","primary_location":{"id":"doi:10.3390/rs15235601","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15235601","pdf_url":"https://www.mdpi.com/2072-4292/15/23/5601/pdf?version=1701442833","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/2072-4292/15/23/5601/pdf?version=1701442833","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030461942","display_name":"Weixing Qiu","orcid":"https://orcid.org/0000-0002-4048-712X"},"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":"Weixing Qiu","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing 100191, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032116461","display_name":"Zongxu Pan","orcid":"https://orcid.org/0000-0002-5041-3300"},"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":true,"raw_author_name":"Zongxu Pan","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China","Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, Chinese Academy of Sciences, Beijing 100190, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 101408, China"],"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 101408, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5032116461"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199","https://openalex.org/I4210165038"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29124752,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":"23","first_page":"5601","last_page":"5601"},"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":0.9997000098228455,"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":0.9997000098228455,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9958000183105469,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9174000024795532,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7742519974708557},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6025545597076416},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5882094502449036},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.5563080310821533},{"id":"https://openalex.org/keywords/latent-dirichlet-allocation","display_name":"Latent Dirichlet allocation","score":0.5554571151733398},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5273300409317017},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4793870449066162},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.4785885810852051},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.46776267886161804},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.43276816606521606},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3826434910297394},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.17012006044387817},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.1660243272781372},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1339426040649414}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7742519974708557},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6025545597076416},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5882094502449036},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.5563080310821533},{"id":"https://openalex.org/C500882744","wikidata":"https://www.wikidata.org/wiki/Q269236","display_name":"Latent Dirichlet allocation","level":3,"score":0.5554571151733398},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5273300409317017},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4793870449066162},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.4785885810852051},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.46776267886161804},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.43276816606521606},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3826434910297394},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.17012006044387817},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.1660243272781372},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1339426040649414},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs15235601","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15235601","pdf_url":"https://www.mdpi.com/2072-4292/15/23/5601/pdf?version=1701442833","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:edbce2cabbfe4677a3a69d7df9da34b0","is_oa":true,"landing_page_url":"https://doaj.org/article/edbce2cabbfe4677a3a69d7df9da34b0","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 15, Iss 23, p 5601 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs15235601","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15235601","pdf_url":"https://www.mdpi.com/2072-4292/15/23/5601/pdf?version=1701442833","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":[{"id":"https://metadata.un.org/sdg/14","score":0.800000011920929,"display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4389247151.pdf"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1589362500","https://openalex.org/W1808644423","https://openalex.org/W1880262756","https://openalex.org/W1974380178","https://openalex.org/W1986030219","https://openalex.org/W1986603680","https://openalex.org/W2020999234","https://openalex.org/W2038563371","https://openalex.org/W2049865414","https://openalex.org/W2066921105","https://openalex.org/W2076375484","https://openalex.org/W2079299474","https://openalex.org/W2090991102","https://openalex.org/W2097272115","https://openalex.org/W2118246710","https://openalex.org/W2131846894","https://openalex.org/W2133989913","https://openalex.org/W2147152072","https://openalex.org/W2152214791","https://openalex.org/W2170146448","https://openalex.org/W2619059950","https://openalex.org/W2757313700","https://openalex.org/W2793387205","https://openalex.org/W2903183636","https://openalex.org/W3010832106","https://openalex.org/W3011415554","https://openalex.org/W4233135949","https://openalex.org/W4251705163","https://openalex.org/W4252650245","https://openalex.org/W4362470664","https://openalex.org/W6639619044","https://openalex.org/W6681698864","https://openalex.org/W6738503290","https://openalex.org/W6772281235","https://openalex.org/W7075742223"],"related_works":["https://openalex.org/W3107650560","https://openalex.org/W3126382579","https://openalex.org/W4317422773","https://openalex.org/W3123667230","https://openalex.org/W4315588616","https://openalex.org/W2810542905","https://openalex.org/W4243064001","https://openalex.org/W2129350855","https://openalex.org/W2469797871","https://openalex.org/W4381745220"],"abstract_inverted_index":{"Recently,":[0],"deep":[1],"learning":[2],"methods":[3,69,98],"have":[4,111],"been":[5],"widely":[6],"studied":[7],"in":[8,32,38,119],"the":[9,26,39,45,73,123,138,154,167,175,180,193,202,210,220,225,229],"field":[10],"of":[11,54,76,142,177,231],"polarimetric":[12,21,150,162],"synthetic":[13],"aperture":[14],"radar":[15],"(PolSAR)":[16],"ship":[17,42,66,80,90,96,131,204,212],"detection.":[18,91],"However,":[19],"extracting":[20],"and":[22,60,110,160,183,190,227],"spatial":[23],"features":[24,102,187],"on":[25,100,105,137,179,219],"whole":[27],"PolSAR":[28,89,95,130,203,211,222],"image":[29,46],"will":[30],"result":[31],"high":[33],"computational":[34],"complexity.":[35],"In":[36],"addition,":[37],"massive":[40],"data":[41],"detection":[43,68,97,214],"task,":[44],"to":[47,70,114,121,173,200],"be":[48],"detected":[49],"contains":[50],"a":[51,129,149,161],"large":[52],"number":[53],"invalid":[55],"areas,":[56],"such":[57],"as":[58],"land":[59],"seawater":[61],"without":[62],"ships.":[63],"Therefore,":[64],"using":[65],"coarse":[67,213],"quickly":[71],"locate":[72],"potential":[74,81,132,205],"areas":[75],"ships,":[77],"that":[78],"is,":[79],"area":[82,133,206],"extraction,":[83],"is":[84,158,165,171],"an":[85,143],"important":[86],"prerequisite":[87],"for":[88,153],"Since":[92],"existing":[93],"unsupervised":[94],"based":[99,136],"pixel-level":[101],"often":[103],"rely":[104],"fine":[106],"sea\u2013land":[107],"segmentation":[108,169],"pre-processing":[109],"poor":[112],"applicability":[113],"images":[115],"with":[116,192],"complex":[117],"backgrounds,":[118],"order":[120],"solve":[122],"abovementioned":[124],"issue,":[125],"this":[126],"paper":[127],"proposes":[128],"extraction":[134,207],"method":[135,170,199],"neighborhood":[139],"semantic":[140,186],"differences":[141],"LDA":[144,195],"bag-of-words":[145,196],"topic":[146,197],"model.":[147],"Specifically,":[148],"feature":[151,163,181],"suitable":[152],"scattering":[155],"diversity":[156],"condition":[157],"selected,":[159],"map":[164],"constructed;":[166],"superpixel":[168],"used":[172],"generate":[174],"bag":[176],"words":[178],"map,":[182],"latent":[184],"high-level":[185],"are":[188],"extracted":[189],"classified":[191],"improved":[194],"model":[198],"obtain":[201],"result,":[208],"i.e.,":[209],"result.":[215],"The":[216],"experimental":[217],"results":[218],"self-established":[221],"dataset":[223],"validate":[224],"effectiveness":[226],"demonstrate":[228],"superiority":[230],"our":[232],"method.":[233]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}