{"id":"https://openalex.org/W4377235233","doi":"https://doi.org/10.1109/tgrs.2023.3278409","title":"Omnidirectional Spectrogram Generation for Radar-Based Omnidirectional Human Activity Recognition","display_name":"Omnidirectional Spectrogram Generation for Radar-Based Omnidirectional Human Activity Recognition","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4377235233","doi":"https://doi.org/10.1109/tgrs.2023.3278409"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2023.3278409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3278409","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","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/A5100397518","display_name":"Yang Yang","orcid":"https://orcid.org/0000-0002-1364-8653"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Yang","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-1364-8653","affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100766525","display_name":"Yutong Zhang","orcid":"https://orcid.org/0000-0001-9074-8351"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yutong Zhang","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0001-9074-8351","affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083488145","display_name":"Chunying Song","orcid":"https://orcid.org/0000-0002-7963-6268"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunying Song","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-7963-6268","affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031123060","display_name":"Beichen Li","orcid":"https://orcid.org/0000-0002-3621-0478"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Beichen Li","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-3621-0478","affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034901041","display_name":"Yue Lang","orcid":"https://orcid.org/0000-0002-8160-2999"},"institutions":[{"id":"https://openalex.org/I184843921","display_name":"Hebei University of Technology","ror":"https://ror.org/018hded08","country_code":"CN","type":"education","lineage":["https://openalex.org/I184843921"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Lang","raw_affiliation_strings":["School of Electric and Information Engineering, Hebei University of Technology, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-8160-2999","affiliations":[{"raw_affiliation_string":"School of Electric and Information Engineering, Hebei University of Technology, Tianjin, China","institution_ids":["https://openalex.org/I184843921"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":9.3724,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.9715935,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"61","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.998199999332428,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.998199999332428,"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.980400025844574,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.979200005531311,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.902690052986145},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.740012526512146},{"id":"https://openalex.org/keywords/omnidirectional-antenna","display_name":"Omnidirectional antenna","score":0.7126287817955017},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6343948841094971},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.605188250541687},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.568567156791687},{"id":"https://openalex.org/keywords/omnidirectional-camera","display_name":"Omnidirectional camera","score":0.434100478887558},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.41572466492652893},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10102200508117676}],"concepts":[{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.902690052986145},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.740012526512146},{"id":"https://openalex.org/C24027999","wikidata":"https://www.wikidata.org/wiki/Q2176348","display_name":"Omnidirectional antenna","level":3,"score":0.7126287817955017},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6343948841094971},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.605188250541687},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.568567156791687},{"id":"https://openalex.org/C2777953668","wikidata":"https://www.wikidata.org/wiki/Q684116","display_name":"Omnidirectional camera","level":4,"score":0.434100478887558},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.41572466492652893},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10102200508117676},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2023.3278409","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3278409","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2481038826","display_name":null,"funder_award_id":"62101378","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5971526899","display_name":null,"funder_award_id":"62171318","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G934669839","display_name":null,"funder_award_id":"2021YFE0204200","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W1122083611","https://openalex.org/W1995047796","https://openalex.org/W2022102190","https://openalex.org/W2046119925","https://openalex.org/W2050604187","https://openalex.org/W2078483536","https://openalex.org/W2096733369","https://openalex.org/W2133665775","https://openalex.org/W2142884912","https://openalex.org/W2255273027","https://openalex.org/W2603777577","https://openalex.org/W2621073571","https://openalex.org/W2798205579","https://openalex.org/W2883638418","https://openalex.org/W2944320448","https://openalex.org/W2950662112","https://openalex.org/W2954377489","https://openalex.org/W2962750014","https://openalex.org/W2962785568","https://openalex.org/W2962793481","https://openalex.org/W2963073614","https://openalex.org/W2963266880","https://openalex.org/W2963271919","https://openalex.org/W2963767194","https://openalex.org/W2997725121","https://openalex.org/W3007597500","https://openalex.org/W3007646528","https://openalex.org/W3013135579","https://openalex.org/W3034359211","https://openalex.org/W3034600949","https://openalex.org/W3034839660","https://openalex.org/W3035728163","https://openalex.org/W3043120882","https://openalex.org/W3093879323","https://openalex.org/W3104862300","https://openalex.org/W3109803668","https://openalex.org/W3136270431","https://openalex.org/W3159890710","https://openalex.org/W3164678500","https://openalex.org/W3181722447","https://openalex.org/W3194417266","https://openalex.org/W3202416270","https://openalex.org/W3206370317","https://openalex.org/W4200631884","https://openalex.org/W4213309350","https://openalex.org/W4214833154","https://openalex.org/W4285070404","https://openalex.org/W4301206121","https://openalex.org/W4307093191","https://openalex.org/W4320013936","https://openalex.org/W6746951097","https://openalex.org/W6756663807","https://openalex.org/W6765779288","https://openalex.org/W6775414459"],"related_works":["https://openalex.org/W4379536980","https://openalex.org/W2898919627","https://openalex.org/W2666300258","https://openalex.org/W2215517927","https://openalex.org/W1989062809","https://openalex.org/W2118689766","https://openalex.org/W2625795345","https://openalex.org/W2137384304","https://openalex.org/W2422277458","https://openalex.org/W114721022"],"abstract_inverted_index":{"Micro-Doppler-based":[0],"human":[1,21,67,201],"activity":[2],"recognition":[3,199],"has":[4],"been":[5],"extensively":[6],"researched":[7],"in":[8,29,69],"remote":[9],"sensing.":[10],"However,":[11],"a":[12,55,103,160,175,209],"well-performing":[13],"classifier":[14],"requires":[15],"sufficient":[16],"radar":[17,33,78,176],"data":[18,34,240],"of":[19,49,66,99,131,141,148,154,197,200,239],"omnidirectional":[20,60,81,116,132,198],"movements":[22,68],"due":[23],"to":[24,57,113,243],"the":[25,44,47,64,75,97,142,146,152,180,187,195,230,237],"\u201cangle":[26],"sensitivity\u201d,":[27],"resulting":[28],"high":[30],"costs":[31],"for":[32,43,162,194,232],"acquisition.":[35],"To":[36],"address":[37],"this":[38,40,164,225],"issue,":[39],"study":[41],"defines":[42],"first":[45],"time":[46],"task":[48,196],"\u201comnidirectional":[50],"spectrogram":[51],"generation\u201d":[52],"and":[53,102,151,179,215,221],"proposes":[54],"method":[56,84,161,170],"obtain":[58],"enough":[59],"spectrograms":[61,65,117,124,150],"based":[62,173],"on":[63,77,174,235],"one":[70],"direction.":[71],"It":[72],"significantly":[73,185],"reduces":[74],"dependence":[76],"measurements":[79],"with":[80],"setups.":[82],"Our":[83,169],"is":[85,93,171,208],"founded":[86],"upon":[87],"an":[88,138],"image":[89,217],"translation":[90,108],"framework":[91],"that":[92,183,206,224],"enhanced":[94],"by":[95,166],"incorporating":[96],"concept":[98],"information":[100],"disentanglement":[101],"proposed":[104,167],"feature-level":[105],"unbiased":[106],"domain":[107],"strategy.":[109],"They":[110],"enable":[111],"us":[112],"generate":[114],"high-quality":[115],"at":[118],"various":[119],"aspect":[120],"angles.":[121],"The":[122],"generated":[123,149],"are":[125],"then":[126],"used":[127],"as":[128,229],"training":[129],"support":[130],"micro-Doppler-based":[133],"classifiers.":[134,156],"Subsequently,":[135],"we":[136,158,204,222],"conduct":[137],"in-depth":[139],"analysis":[140],"metric":[143],"correlation":[144,165,211],"between":[145,212],"quality":[147,218],"performance":[153],"these":[155],"Finally,":[157],"introduce":[159],"evaluating":[163],"criterion.":[168],"evaluated":[172],"simulation":[177],"dataset,":[178],"results":[181],"show":[182],"it":[184],"exceeds":[186],"compared":[188],"methods,":[189],"demonstrating":[190],"its":[191],"great":[192],"potential":[193],"activities.":[202],"Besides,":[203],"find":[205],"there":[207],"significant":[210],"classification":[213],"accuracy":[214],"several":[216],"assessment":[219],"metrics,":[220],"believe":[223],"investigation":[226],"will":[227],"serve":[228],"foundation":[231],"future":[233],"research":[234],"assessing":[236],"contribution":[238],"generation":[241],"methods":[242],"downstream":[244],"tasks":[245],"using":[246],"quantitative":[247],"measures.":[248]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}