{"id":"https://openalex.org/W4411270778","doi":"https://doi.org/10.1109/taes.2025.3579771","title":"A Non-Line-of-Sight Human Activity Recognition Method Based on Radar Multispectrogram","display_name":"A Non-Line-of-Sight Human Activity Recognition Method Based on Radar Multispectrogram","publication_year":2025,"publication_date":"2025-06-13","ids":{"openalex":"https://openalex.org/W4411270778","doi":"https://doi.org/10.1109/taes.2025.3579771"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2025.3579771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3579771","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/A5020722759","display_name":"Congzhang Ding","orcid":"https://orcid.org/0000-0002-7679-8085"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Congzhang Ding","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-7679-8085","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045496426","display_name":"Shisheng Guo","orcid":"https://orcid.org/0000-0002-5954-9837"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shisheng Guo","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-5954-9837","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015609860","display_name":"Guolong Cui","orcid":"https://orcid.org/0000-0001-5707-6311"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guolong Cui","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-5707-6311","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103719300","display_name":"Xiaobo Yang","orcid":"https://orcid.org/0009-0000-4888-4050"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaobo Yang","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0000-4888-4050","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082770283","display_name":"Chao Jia","orcid":"https://orcid.org/0009-0007-4025-8590"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Jia","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101661309","display_name":"Jie Gu","orcid":"https://orcid.org/0000-0002-7064-6769"},"institutions":[{"id":"https://openalex.org/I2800372957","display_name":"China Electronics Technology Group Corporation","ror":"https://ror.org/0098hst83","country_code":"CN","type":"company","lineage":["https://openalex.org/I2800372957"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Gu","raw_affiliation_strings":["Science and Technology on Electronic Information Control Laboratory, 29th Research Institute of China Electronics Technology Group Corporation, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Electronic Information Control Laboratory, 29th Research Institute of China Electronics Technology Group Corporation, Chengdu, China","institution_ids":["https://openalex.org/I2800372957"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11010345,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"61","issue":"5","first_page":"13647","last_page":"13661"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9613000154495239,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9613000154495239,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/spectrogram","display_name":"Spectrogram","score":0.8975071310997009},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5927292108535767},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5896473526954651},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4695722758769989},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.46133339405059814},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4543839693069458},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3643145263195038},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33912792801856995},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23842516541481018}],"concepts":[{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.8975071310997009},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5927292108535767},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5896473526954651},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4695722758769989},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.46133339405059814},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4543839693069458},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3643145263195038},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33912792801856995},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23842516541481018}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2025.3579771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3579771","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/G8230658463","display_name":null,"funder_award_id":"62371110","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":45,"referenced_works":["https://openalex.org/W2242223225","https://openalex.org/W2531297344","https://openalex.org/W2595613322","https://openalex.org/W2773066067","https://openalex.org/W2781944640","https://openalex.org/W2789436454","https://openalex.org/W2963163009","https://openalex.org/W2968303571","https://openalex.org/W2969904590","https://openalex.org/W3035414587","https://openalex.org/W3045810779","https://openalex.org/W3045907623","https://openalex.org/W3106589709","https://openalex.org/W3112663745","https://openalex.org/W3120599689","https://openalex.org/W3134230466","https://openalex.org/W3138516171","https://openalex.org/W3140872952","https://openalex.org/W3148092285","https://openalex.org/W3174351785","https://openalex.org/W3197804866","https://openalex.org/W3198630365","https://openalex.org/W3201549828","https://openalex.org/W4206090311","https://openalex.org/W4210367256","https://openalex.org/W4210553182","https://openalex.org/W4285036903","https://openalex.org/W4285818870","https://openalex.org/W4309332687","https://openalex.org/W4312443924","https://openalex.org/W4312847199","https://openalex.org/W4321194377","https://openalex.org/W4365421169","https://openalex.org/W4366669631","https://openalex.org/W4366967172","https://openalex.org/W4379116342","https://openalex.org/W4380446537","https://openalex.org/W4385521695","https://openalex.org/W4387272130","https://openalex.org/W4387359831","https://openalex.org/W4388838013","https://openalex.org/W4391594004","https://openalex.org/W4396712711","https://openalex.org/W4400114909","https://openalex.org/W4405361070"],"related_works":["https://openalex.org/W2530685530","https://openalex.org/W4375868962","https://openalex.org/W2011227383","https://openalex.org/W2088854863","https://openalex.org/W4402568167","https://openalex.org/W2897924318","https://openalex.org/W2138997758","https://openalex.org/W4313855562","https://openalex.org/W2091422131","https://openalex.org/W2742737769"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,109],"investigate":[4],"a":[5,19,53,136,143],"lightweight":[6,20],"human":[7,120],"activity":[8],"recognition":[9,137,150],"(HAR)":[10],"method":[11],"for":[12],"non-line-of-sight":[13],"(NLOS)":[14],"scenarios.":[15,69],"This":[16],"approach":[17],"constructs":[18],"multi-spectrogram":[21],"parallel":[22],"feature":[23],"extraction":[24],"model":[25,51,134],"to":[26,58,79,147],"extract":[27,59,80],"time-range":[28],"(TR)":[29],"map":[30,34,62],"and":[31,93],"time-Doppler":[32],"(TD)":[33],"features":[35,63,81,90],"from":[36,82,116],"stepped-frequency":[37],"continuous":[38],"wave":[39],"(SFCW)":[40],"radar,":[41],"enabling":[42],"NLOS":[43,68,99,126],"HAR":[44,97],"in":[45,67,98,122],"L-shaped":[46,124],"corner":[47,125],"environments.":[48,100],"Specifically,":[49],"the":[50,83,87,103,106,132,148],"incorporates":[52],"multiscale":[54],"depthwise":[55,73],"separable":[56,74],"convolution":[57,75,78],"multipath":[60],"TR":[61],"at":[64],"different":[65],"scales":[66],"Simultaneously,":[70],"it":[71],"combines":[72],"with":[76],"Ghost":[77],"TD":[84],"map.":[85],"Finally,":[86],"extracted":[88],"multispectrogram":[89],"are":[91],"fused":[92],"classified,":[94],"achieving":[95],"robust":[96],"To":[101],"validate":[102],"effectiveness":[104],"of":[105,119,139],"proposed":[107,133],"method,":[108],"conducted":[110],"experimental":[111],"verification":[112],"using":[113],"real-world":[114],"data":[115],"eight":[117],"types":[118],"activities":[121],"an":[123],"scenario.":[127],"The":[128],"results":[129],"show":[130],"that":[131],"achieves":[135],"accuracy":[138],"87.12%,":[140],"which":[141],"is":[142],"5.82%":[144],"improvement":[145],"compared":[146],"state-of-the-art":[149],"methods.":[151]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
