{"id":"https://openalex.org/W4415482425","doi":"https://doi.org/10.1109/taes.2025.3624708","title":"Learning Satellite Pattern-of-Life Identification: A Diffusion-Based Approach","display_name":"Learning Satellite Pattern-of-Life Identification: A Diffusion-Based Approach","publication_year":2025,"publication_date":"2025-10-23","ids":{"openalex":"https://openalex.org/W4415482425","doi":"https://doi.org/10.1109/taes.2025.3624708"},"language":null,"primary_location":{"id":"doi:10.1109/taes.2025.3624708","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3624708","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/A5044191099","display_name":"Yongchao Ye","orcid":"https://orcid.org/0000-0001-9782-218X"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Yongchao Ye","raw_affiliation_strings":["Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","Department of Data Science, City University of Hong Kong, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong SAR, China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073225009","display_name":"Xinting Zhu","orcid":"https://orcid.org/0000-0003-4859-5261"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xinting Zhu","raw_affiliation_strings":["Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","Department of Data Science, City University of Hong Kong, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong SAR, China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022483500","display_name":"Xuejin Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210106541","display_name":"Chengdu Organic Chemicals (China)","ror":"https://ror.org/01nmxvn49","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210106541"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuejin Shen","raw_affiliation_strings":["Chengdu Atom Data Tech Co., Ltd, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Chengdu Atom Data Tech Co., Ltd, Chengdu, China","institution_ids":["https://openalex.org/I4210106541"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100386505","display_name":"Xiaoyu Chen","orcid":"https://orcid.org/0000-0003-3561-9746"},"institutions":[{"id":"https://openalex.org/I4210106541","display_name":"Chengdu Organic Chemicals (China)","ror":"https://ror.org/01nmxvn49","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210106541"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyu Chen","raw_affiliation_strings":["Chengdu Atom Data Tech Co., Ltd, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Chengdu Atom Data Tech Co., Ltd, Chengdu, China","institution_ids":["https://openalex.org/I4210106541"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056937548","display_name":"S. Joe Qin","orcid":"https://orcid.org/0000-0001-7631-2535"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Joe Qin","raw_affiliation_strings":["School of Data Science, Lingnan University, Hong Kong, SAR, China","School of Data Science, Lingnan University, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"School of Data Science, Lingnan University, Hong Kong, SAR, China","institution_ids":[]},{"raw_affiliation_string":"School of Data Science, Lingnan University, Hong Kong SAR, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072153786","display_name":"Lishuai Li","orcid":"https://orcid.org/0000-0002-0990-5119"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lishuai Li","raw_affiliation_strings":["Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","Department of Data Science, City University of Hong Kong, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong SAR, China","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5044191099"],"corresponding_institution_ids":["https://openalex.org/I168719708"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.53227155,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"62","issue":null,"first_page":"615","last_page":"629"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12011","display_name":"Insurance, Mortality, Demography, Risk Management","score":0.8830999732017517,"subfield":{"id":"https://openalex.org/subfields/3317","display_name":"Demography"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12011","display_name":"Insurance, Mortality, Demography, Risk Management","score":0.8830999732017517,"subfield":{"id":"https://openalex.org/subfields/3317","display_name":"Demography"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5956000089645386},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5843999981880188},{"id":"https://openalex.org/keywords/situation-awareness","display_name":"Situation awareness","score":0.5813999772071838},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.43959999084472656},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.40119999647140503},{"id":"https://openalex.org/keywords/satellite-navigation","display_name":"Satellite navigation","score":0.326200008392334},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.31029999256134033},{"id":"https://openalex.org/keywords/aerospace","display_name":"Aerospace","score":0.3041999936103821}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7383000254631042},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5956000089645386},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5843999981880188},{"id":"https://openalex.org/C145804949","wikidata":"https://www.wikidata.org/wiki/Q478123","display_name":"Situation awareness","level":2,"score":0.5813999772071838},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.43959999084472656},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4372999966144562},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.40119999647140503},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3540000021457672},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3458000123500824},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34299999475479126},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3301999866962433},{"id":"https://openalex.org/C36301306","wikidata":"https://www.wikidata.org/wiki/Q179435","display_name":"Satellite navigation","level":3,"score":0.326200008392334},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.31029999256134033},{"id":"https://openalex.org/C167740415","wikidata":"https://www.wikidata.org/wiki/Q2876213","display_name":"Aerospace","level":2,"score":0.3041999936103821},{"id":"https://openalex.org/C24756922","wikidata":"https://www.wikidata.org/wiki/Q1757694","display_name":"Data quality","level":3,"score":0.2985000014305115},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2824999988079071},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.27160000801086426},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.2680000066757202},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.2597000002861023},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.25940001010894775},{"id":"https://openalex.org/C2780440489","wikidata":"https://www.wikidata.org/wiki/Q5227278","display_name":"Data-driven","level":2,"score":0.2558000087738037},{"id":"https://openalex.org/C104060986","wikidata":"https://www.wikidata.org/wiki/Q180046","display_name":"Space exploration","level":2,"score":0.2549999952316284},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.25189998745918274}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2025.3624708","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3624708","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":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1973152787","https://openalex.org/W2085100721","https://openalex.org/W2094358225","https://openalex.org/W2771203716","https://openalex.org/W2806295153","https://openalex.org/W2963853051","https://openalex.org/W3083550439","https://openalex.org/W3109518304","https://openalex.org/W3199148273","https://openalex.org/W3202017844","https://openalex.org/W3204193736","https://openalex.org/W4313165677","https://openalex.org/W4320913142","https://openalex.org/W4385245566","https://openalex.org/W4387195417","https://openalex.org/W4387917672","https://openalex.org/W4388002645","https://openalex.org/W4390100390","https://openalex.org/W4390872435","https://openalex.org/W4390873054","https://openalex.org/W4393184765","https://openalex.org/W4394699135","https://openalex.org/W4394717702","https://openalex.org/W4398236332","https://openalex.org/W4401863560","https://openalex.org/W4402753974","https://openalex.org/W4411245031","https://openalex.org/W4411405224","https://openalex.org/W4415797403"],"related_works":[],"abstract_inverted_index":{"As":[0],"Earth's":[1],"orbital":[2,84],"satellite":[3,23,39,69,125,143,164],"population":[4],"grows":[5],"exponentially,":[6],"effective":[7],"space":[8,179],"situational":[9,180],"awareness":[10],"becomes":[11],"critical":[12],"for":[13,68,104,171],"collision":[14],"prevention":[15],"and":[16,29,47,58,86,152,178],"sustainable":[17],"operations.":[18],"Current":[19],"approaches":[20],"to":[21,52,89,120,133],"monitor":[22],"behaviors":[24,43],"rely":[25],"on":[26,77],"expert":[27,78],"knowledge":[28],"rule-based":[30],"systems":[31],"that":[32,72],"scale":[33],"poorly.":[34],"Among":[35],"essential":[36],"monitoring":[37],"tasks,":[38],"pattern-of-life":[40],"(PoL)":[41],"identification\u2014analyzing":[42],"like":[44],"station-keeping":[45],"maneuvers":[46],"drift":[48],"operations\u2014remains":[49],"underdeveloped":[50],"due":[51],"aerospace":[53],"system":[54],"complexity,":[55],"operational":[56,144,172],"variability,":[57],"inconsistent":[59],"ephemerides":[60],"sources.":[61],"We":[62],"propose":[63],"a":[64,100,116,129],"novel":[65],"generative":[66],"approach":[67,82,147],"PoL":[70,136],"identification":[71,106,150],"significantly":[73],"eliminates":[74],"the":[75,167],"dependence":[76],"knowledge.":[79],"The":[80,113],"proposed":[81],"leverages":[83],"elements":[85],"positional":[87,126],"data":[88,127,156,165],"enable":[90],"automatic":[91],"pattern":[92,174],"discovery":[93],"directly":[94],"from":[95],"observations.":[96],"Our":[97],"implementation":[98],"uses":[99],"diffusion":[101],"model":[102],"framework":[103],"end-to-end":[105],"without":[107],"manual":[108],"refinement":[109],"or":[110],"domain":[111],"expertise.":[112],"architecture":[114],"combines":[115],"multivariate":[117],"time-series":[118],"encoder":[119],"capture":[121],"hidden":[122],"representations":[123],"of":[124],"with":[128],"conditional":[130],"denoising":[131],"process":[132],"generate":[134],"accurate":[135],"classifications.":[137],"Through":[138],"experiments":[139],"across":[140,154],"diverse":[141],"real-world":[142],"scenarios,":[145],"our":[146],"demonstrates":[148],"superior":[149],"quality":[151,157],"robustness":[153],"varying":[155],"characteristics.":[158],"A":[159],"case":[160],"study":[161],"using":[162],"actual":[163],"confirms":[166],"approach's":[168],"transformative":[169],"potential":[170],"behavior":[173],"identification,":[175],"enhanced":[176],"tracking,":[177],"awareness.":[181]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-23T00:00:00"}
