{"id":"https://openalex.org/W4394828187","doi":"https://doi.org/10.1109/taes.2024.3388373","title":"DPGUNet: A Dynamic Pyramidal Graph U-Net for SAR Image Classification","display_name":"DPGUNet: A Dynamic Pyramidal Graph U-Net for SAR Image Classification","publication_year":2024,"publication_date":"2024-04-15","ids":{"openalex":"https://openalex.org/W4394828187","doi":"https://doi.org/10.1109/taes.2024.3388373"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2024.3388373","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2024.3388373","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Transactions on Aerospace and Electronic Systems","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/A5005788398","display_name":"Kang Ni","orcid":"https://orcid.org/0000-0003-1026-2074"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"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":"Kang Ni","raw_affiliation_strings":["School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China","Key Laboratory of Radar Imaging and Microwave Photonics (Nanjing University of Aeronautics and Astronautics), Ministry of Education, Nanjing, China","Jiangsu Province Engineering Research Center of Airborne Detecting and Intelligent Perceptive Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-1026-2074","affiliations":[{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics (Nanjing University of Aeronautics and Astronautics), Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Jiangsu Province Engineering Research Center of Airborne Detecting and Intelligent Perceptive Technology, Nanjing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016717885","display_name":"Chunyang Yuan","orcid":"https://orcid.org/0009-0008-6282-0916"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunyang Yuan","raw_affiliation_strings":["School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-1096-1246","affiliations":[{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046505369","display_name":"Zhizhong Zheng","orcid":"https://orcid.org/0009-0002-3845-9602"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhizhong Zheng","raw_affiliation_strings":["School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0002-3845-9602","affiliations":[{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104099185","display_name":"Nan Huang","orcid":"https://orcid.org/0000-0002-3064-817X"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nan Huang","raw_affiliation_strings":["School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3064-817X","affiliations":[{"raw_affiliation_string":"School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100396024","display_name":"Peng Wang","orcid":"https://orcid.org/0000-0002-3825-6365"},"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":"Peng Wang","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3825-6365","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, 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/A5005788398"],"corresponding_institution_ids":["https://openalex.org/I41198531","https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":1.9046,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.86538086,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"60","issue":"4","first_page":"5247","last_page":"5263"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.916700005531311,"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"}},"topics":[{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.916700005531311,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5537956357002258},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5528028011322021},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4432864487171173},{"id":"https://openalex.org/keywords/contextual-image-classification","display_name":"Contextual image classification","score":0.44323915243148804},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4398082196712494},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.43739283084869385},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.43543797731399536},{"id":"https://openalex.org/keywords/net","display_name":"Net (polyhedron)","score":0.4309956431388855},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.42265334725379944},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.33897703886032104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29816657304763794},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.2383037805557251},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.1303921937942505},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12698304653167725}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5537956357002258},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5528028011322021},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4432864487171173},{"id":"https://openalex.org/C75294576","wikidata":"https://www.wikidata.org/wiki/Q5165192","display_name":"Contextual image classification","level":3,"score":0.44323915243148804},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4398082196712494},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.43739283084869385},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.43543797731399536},{"id":"https://openalex.org/C14166107","wikidata":"https://www.wikidata.org/wiki/Q253829","display_name":"Net (polyhedron)","level":2,"score":0.4309956431388855},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.42265334725379944},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.33897703886032104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29816657304763794},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.2383037805557251},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.1303921937942505},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12698304653167725},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2024.3388373","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2024.3388373","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Transactions on Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G370204948","display_name":null,"funder_award_id":"BK20210588","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G4106820521","display_name":null,"funder_award_id":"62101280","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5409677342","display_name":null,"funder_award_id":"2023M731781","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G5870613800","display_name":null,"funder_award_id":"NJ20230005","funder_id":"https://openalex.org/F4320312071","funder_display_name":"Ministry of Education, Libya"}],"funders":[{"id":"https://openalex.org/F4320312071","display_name":"Ministry of Education, Libya","ror":"https://ror.org/02w030k33"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322438","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794"},{"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":61,"referenced_works":["https://openalex.org/W1994938019","https://openalex.org/W1999478155","https://openalex.org/W2104978358","https://openalex.org/W2118246710","https://openalex.org/W2194775991","https://openalex.org/W2612271937","https://openalex.org/W2793974508","https://openalex.org/W2907101105","https://openalex.org/W2951659295","https://openalex.org/W2958048929","https://openalex.org/W2979750740","https://openalex.org/W2989218065","https://openalex.org/W2990045899","https://openalex.org/W2991494819","https://openalex.org/W2995256253","https://openalex.org/W3035241330","https://openalex.org/W3035649237","https://openalex.org/W3047443805","https://openalex.org/W3093844393","https://openalex.org/W3094897602","https://openalex.org/W3103695279","https://openalex.org/W3107591966","https://openalex.org/W3111086407","https://openalex.org/W3141776272","https://openalex.org/W3152893301","https://openalex.org/W3153131045","https://openalex.org/W3165071532","https://openalex.org/W3173856251","https://openalex.org/W3185151088","https://openalex.org/W3190624940","https://openalex.org/W3202748052","https://openalex.org/W3212160351","https://openalex.org/W4212803998","https://openalex.org/W4220917101","https://openalex.org/W4226149953","https://openalex.org/W4291109949","https://openalex.org/W4294558607","https://openalex.org/W4306705451","https://openalex.org/W4308234222","https://openalex.org/W4311080873","https://openalex.org/W4319068888","https://openalex.org/W4362683587","https://openalex.org/W4367359381","https://openalex.org/W4381894798","https://openalex.org/W4387790178","https://openalex.org/W4388157208","https://openalex.org/W4388988031","https://openalex.org/W4389961014","https://openalex.org/W4390660302","https://openalex.org/W4391132239","https://openalex.org/W4391547680","https://openalex.org/W4392697201","https://openalex.org/W4393906060","https://openalex.org/W6631190155","https://openalex.org/W6726873649","https://openalex.org/W6738964360","https://openalex.org/W6753331806","https://openalex.org/W6754929296","https://openalex.org/W6780017182","https://openalex.org/W6784333009","https://openalex.org/W6845731204"],"related_works":["https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W2042726296","https://openalex.org/W2096748030","https://openalex.org/W3016428515","https://openalex.org/W2160730947","https://openalex.org/W2747205507","https://openalex.org/W2917196883","https://openalex.org/W1908997176","https://openalex.org/W2081203575"],"abstract_inverted_index":{"Benefiting":[0],"from":[1],"the":[2,22,47,57,156,220],"inherent":[3],"capability":[4],"of":[5,25,62,90,140,206,222],"graph":[6,39,42,59,111,125,158,165],"convolutional":[7],"neural":[8],"networks":[9],"(GCNs)":[10],"to":[11,85,174,197,225],"flexibly":[12],"convolve":[13],"over":[14],"regions":[15],"with":[16],"arbitrary":[17],"shapes,":[18],"they":[19],"could":[20],"model":[21],"spatial":[23,67,133,200],"topology":[24],"SAR":[26,63,91,141,149,207,214],"land":[27,92,215],"covers.":[28],"However,":[29],"existing":[30],"GCNs-based":[31,82],"classification":[32,217],"methods":[33,83],"often":[34],"work":[35],"on":[36,211],"a":[37,51,103,187],"static":[38],"and":[40,124,136,151,160,202],"perform":[41],"average":[43],"pooling":[44,53,60,121,182],"which":[45,189],"have":[46],"fixed":[48],"weights":[49],"as":[50],"node":[52,118,176],"style,":[54],"thus":[55],"lacking":[56],"dynamic":[58,179],"representation":[61],"patches":[64,142],"under":[65,73],"complex":[66],"structure.":[68],"Moreover,":[69],"distinguishable":[70],"feature":[71,119,127,153,167],"learning":[72,128],"different":[74],"GCN":[75],"blocks":[76],"is":[77,172,190,231],"generally":[78],"ignored,":[79],"resulting":[80],"in":[81,181],"struggling":[84],"exploit":[86],"intrinsic":[87],"topological":[88,134,201],"structure":[89],"covers":[93],"across":[94],"all":[95],"scales.":[96],"To":[97,144],"alleviate":[98],"these":[99],"issues,":[100],"we":[101,185],"propose":[102],"Dynamic":[104],"Pyramidal":[105],"Graph":[106],"U-Net":[107],"(DPGUNet),":[108],"including":[109],"residual":[110,162],"convolution":[112,159],"modulate":[113],"fusion":[114,154,168],"layer":[115,122],"(RGCMF),":[116],"attentional":[117],"aggregation":[120],"(ANFAP),":[123],"pyramidal":[126],"module":[129,169],"(GPFL),":[130],"for":[131],"leveraging":[132],"structures":[135],"hierarchical":[137],"semantic":[138,204],"features":[139,205],"effectively.":[143],"be":[145],"specific,":[146],"RGCMF":[147],"performs":[148],"global":[150],"local":[152],"between":[155,178],"pre-activation":[157],"its":[161],"branch":[163],"via":[164],"attention":[166],"(GAFF);":[170],"ANFAP":[171],"employed":[173],"transfer":[175],"information":[177],"graphs":[180],"stage;":[183],"Furthermore,":[184],"utilize":[186],"GPFL,":[188],"defined":[191],"by":[192],"cross-scale":[193],"merging":[194],"association":[195],"matrices,":[196],"acquire":[198],"multi-scale":[199],"contextual":[203],"patches.":[208],"Experimental":[209],"results":[210],"three":[212],"real":[213],"cover":[216],"datasets":[218],"demonstrate":[219],"superiority":[221],"DPGUNet":[223],"compared":[224],"several":[226],"other":[227],"related":[228],"methods.":[229],"Code":[230],"available":[232],"at":[233],"<uri":[234],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[235],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">https://github.com/RSIP-NJUPT/DPGUNet</uri>":[236],".":[237]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
