{"id":"https://openalex.org/W7136351390","doi":"https://doi.org/10.1016/j.eswa.2026.132013","title":"Visual-guided weak supervision for DAS traffic target detection","display_name":"Visual-guided weak supervision for DAS traffic target detection","publication_year":2026,"publication_date":"2026-03-16","ids":{"openalex":"https://openalex.org/W7136351390","doi":"https://doi.org/10.1016/j.eswa.2026.132013"},"language":"en","primary_location":{"id":"doi:10.1016/j.eswa.2026.132013","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.eswa.2026.132013","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.eswa.2026.132013","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5129614947","display_name":"Haitao Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haitao Liu","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0009-0006-6478-3464","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129553213","display_name":"Yunfan Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunfan Xu","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0009-0008-6676-8932","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129597783","display_name":"Hao Li","orcid":null},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Li","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0009-0008-6794-9073","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Haosong Yang","orcid":"https://orcid.org/0009-0001-3207-6689"},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haosong Yang","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0009-0001-3207-6689","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129588056","display_name":"Qiang Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiang Liu","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0009-0006-4473-6003","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043679437","display_name":"Yuefeng Qi","orcid":"https://orcid.org/0000-0003-4833-8927"},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuefeng Qi","raw_affiliation_strings":["School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China"],"raw_orcid":"https://orcid.org/0000-0003-4833-8927","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Special Fiber and Fiber Sensor Key Laboratory, Hebei Province, Qinhuangdao, 066004, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, Heibei, China","institution_ids":["https://openalex.org/I39333907"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5043679437"],"corresponding_institution_ids":["https://openalex.org/I39333907"],"apc_list":{"value":3220,"currency":"USD","value_usd":3220},"apc_paid":{"value":3220,"currency":"USD","value_usd":3220},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.25802142,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"319","issue":null,"first_page":"132013","last_page":"132013"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.06650000065565109,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.06650000065565109,"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"}},{"id":"https://openalex.org/T10036","display_name":"Advanced Neural Network Applications","score":0.04179999977350235,"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"}},{"id":"https://openalex.org/T12326","display_name":"Network Packet Processing and Optimization","score":0.03180000185966492,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/radar-tracker","display_name":"Radar tracker","score":0.23909999430179596},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.22840000689029694},{"id":"https://openalex.org/keywords/object-detection","display_name":"Object detection","score":0.2240000069141388},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.2224999964237213}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6747000217437744},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42289999127388},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33959999680519104},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.29100000858306885},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.2883000075817108},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.24869999289512634},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.23909999430179596},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.22840000689029694},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.2240000069141388},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2224999964237213}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.eswa.2026.132013","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.eswa.2026.132013","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.eswa.2026.132013","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.eswa.2026.132013","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2137441863","https://openalex.org/W2746759066","https://openalex.org/W2884367402","https://openalex.org/W2950833128","https://openalex.org/W2953212672","https://openalex.org/W3131859389","https://openalex.org/W3169752047","https://openalex.org/W3183048323","https://openalex.org/W4205805875","https://openalex.org/W4292071997","https://openalex.org/W4321780154","https://openalex.org/W4385555853","https://openalex.org/W4385839827","https://openalex.org/W4391037910","https://openalex.org/W4391841967","https://openalex.org/W4400123837","https://openalex.org/W4401806154","https://openalex.org/W4404519335","https://openalex.org/W4405911021","https://openalex.org/W4407884366","https://openalex.org/W4408772085","https://openalex.org/W4409240083"],"related_works":[],"abstract_inverted_index":{"Distributed":[0],"Acoustic":[1],"Sensing":[2],"(DAS)":[3],"has":[4],"emerged":[5],"as":[6,25],"a":[7,43,117,127,134],"promising":[8],"passive":[9],"and":[10,29,36,53,66,88,106,140,154,173],"cost-effective":[11],"technology":[12],"for":[13,180],"large-scale":[14],"traffic":[15],"perception.":[16],"However,":[17],"the":[18,74,170],"precise":[19],"annotation":[20],"of":[21,76,132,144,176],"diverse":[22],"road":[23],"users-such":[24],"vehicles,":[26],"pedestrians,":[27],"bicycles,":[28],"motorcycles-remains":[30],"constrained":[31],"by":[32,157,163],"labor-intensive":[33],"video-DAS":[34],"synchronization":[35],"labeling.":[37],"In":[38],"this":[39],"study,":[40],"we":[41,63],"propose":[42],"weakly":[44],"supervised":[45],"multi-object":[46],"detection":[47],"framework":[48,125],"that":[49,123],"integrates":[50],"roadside":[51,120],"video":[52],"DAS":[54,78],"signals":[55],"without":[56],"requiring":[57],"frame-level":[58],"manual":[59],"alignment.":[60],"Leveraging":[61],"YOLOv8,":[62],"extract":[64],"timestamped":[65],"channel-specific":[67],"pseudo-labels,":[68],"which":[69],"are":[70],"used":[71],"to":[72,101],"guide":[73],"transformation":[75],"raw":[77],"waveforms":[79],"into":[80],"time-frequency":[81],"spectrograms":[82],"via":[83],"band-pass":[84],"filtering,":[85],"temporal":[86],"down-sampling,":[87],"short-time":[89],"Fourier":[90],"transform":[91],"(STFT).":[92],"A":[93],"lightweight":[94],"ConvNeXt":[95],"V2-Tiny":[96],"backbone":[97],"is":[98],"then":[99],"employed":[100],"jointly":[102],"infer":[103],"object":[104],"categories":[105],"their":[107],"spatial":[108],"positions":[109],"from":[110],"stacked":[111],"spectrogram":[112],"sequences.":[113],"Extensive":[114],"experiments":[115],"on":[116],"real-world":[118],"DAS-video":[119],"dataset":[121],"demonstrate":[122],"our":[124],"achieves":[126],"mean":[128],"Average":[129],"Precision":[130],"(mAP@0.5)":[131],"88.2%,":[133],"localization":[135],"error":[136],"below":[137],"7.2":[138],"meters,":[139],"an":[141],"inference":[142],"latency":[143,162],"17":[145],"ms":[146],"per":[147],"frame-outperforming":[148],"state-of-the-art":[149],"baselines":[150],"including":[151],"single-frame":[152],"spectrogram+LSTM":[153],"3D-CNN":[155],"architectures":[156],"10\u201315%":[158],"mAP,":[159],"while":[160],"reducing":[161],"approximately":[164],"15":[165],"ms.":[166],"These":[167],"results":[168],"validate":[169],"effectiveness,":[171],"robustness,":[172],"deployment":[174],"potential":[175],"visual-guided":[177],"weak":[178],"supervision":[179],"next-generation":[181],"intelligent":[182],"transportation":[183],"systems.":[184]},"counts_by_year":[],"updated_date":"2026-06-18T08:10:14.011955","created_date":"2026-03-17T00:00:00"}
