{"id":"https://openalex.org/W4408347278","doi":"https://doi.org/10.1109/icassp49660.2025.10890411","title":"Contactless Nighttime Stress Monitoring with mmWave Radar","display_name":"Contactless Nighttime Stress Monitoring with mmWave Radar","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408347278","doi":"https://doi.org/10.1109/icassp49660.2025.10890411"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10890411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5033406863","display_name":"Xiaohan Xu","orcid":"https://orcid.org/0000-0002-0774-7858"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohan Xu","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038027002","display_name":"Dongheng Zhang","orcid":"https://orcid.org/0000-0001-6309-6626"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongheng Zhang","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009086349","display_name":"Zhi Lu","orcid":"https://orcid.org/0000-0001-6941-981X"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Lu","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100666552","display_name":"Jinbo Chen","orcid":"https://orcid.org/0000-0003-4532-3236"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinbo Chen","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112120602","display_name":"Zhi Wu","orcid":"https://orcid.org/0000-0001-7097-4837"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Wu","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036617501","display_name":"Ruixu Geng","orcid":"https://orcid.org/0000-0002-5794-9802"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruixu Geng","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102908901","display_name":"Qibin Sun","orcid":"https://orcid.org/0000-0002-6789-7460"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qibin Sun","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100378075","display_name":"Yan Chen","orcid":"https://orcid.org/0000-0002-3227-4562"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Chen","raw_affiliation_strings":["University of Science and Technology of China,Hefei,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China,Hefei,China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9476000070571899,"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":0.9476000070571899,"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/radar","display_name":"Radar","score":0.626858115196228},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5902873277664185},{"id":"https://openalex.org/keywords/stress","display_name":"Stress (linguistics)","score":0.5012233257293701},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4493935704231262},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4272107183933258},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2145719826221466},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.16326558589935303}],"concepts":[{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.626858115196228},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5902873277664185},{"id":"https://openalex.org/C21036866","wikidata":"https://www.wikidata.org/wiki/Q181767","display_name":"Stress (linguistics)","level":2,"score":0.5012233257293701},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4493935704231262},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4272107183933258},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2145719826221466},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16326558589935303},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10890411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1993249717","https://openalex.org/W2034921462","https://openalex.org/W2510642588","https://openalex.org/W2775341250","https://openalex.org/W2955237239","https://openalex.org/W2972181925","https://openalex.org/W3201441384","https://openalex.org/W4213020509","https://openalex.org/W4238508160","https://openalex.org/W4309794375","https://openalex.org/W4315606011","https://openalex.org/W4387087125","https://openalex.org/W4387212750","https://openalex.org/W4389610124","https://openalex.org/W4390609920","https://openalex.org/W4405270187","https://openalex.org/W6739901393","https://openalex.org/W6776609555","https://openalex.org/W6845699158"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Contactless":[0],"stress":[1,23,37,49,71,104,110,120,125,139,167],"monitoring,":[2,50],"with":[3,88,164],"its":[4],"non-intrusive":[5],"nature,":[6],"is":[7,159],"invaluable":[8],"for":[9,68,102],"maintaining":[10],"mental":[11],"and":[12,39,80,97,145,152],"physical":[13],"health.":[14],"Recent":[15],"studies":[16],"have":[17],"demonstrated":[18],"encouraging":[19],"results":[20,132],"in":[21,48,148],"contactless":[22,69,165],"monitoring":[24,62,111,121,140],"during":[25,41],"daytime":[26],"using":[27],"radio":[28],"frequency":[29],"(RF)":[30],"signals.":[31],"However,":[32],"the":[33,42,109,160],"weak":[34],"correlation":[35],"between":[36],"levels":[38],"behaviors":[40],"night":[43],"poses":[44],"a":[45,64,81,89,117],"significant":[46],"challenge":[47],"which":[51,123],"remains":[52],"unsolved.":[53],"In":[54],"this":[55,74,158],"paper,":[56],"we":[57,115],"propose":[58],"mmWave":[59],"Nighttime":[60],"Stress":[61],"(mmNS),":[63],"learning-based":[65],"end-to-end":[66],"framework":[67,75],"nighttime":[70,119,166],"monitoring.":[72,168],"Specifically,":[73],"incorporates":[76],"radar":[77],"signal":[78,90],"processing":[79],"self-supervised":[82],"physiological":[83,100],"feature":[84],"separation":[85],"strategy,":[86],"combined":[87],"complexity-oriented":[91],"network":[92],"design,":[93],"to":[94],"effectively":[95],"extract":[96],"encode":[98],"periodic":[99],"features":[101],"accurate":[103],"level":[105],"classification.":[106],"To":[107,155],"evaluate":[108],"performance":[112],"of":[113],"mmNS,":[114],"collect":[116],"RF-based":[118],"dataset,":[122],"contains":[124],"data":[126],"from":[127],"10":[128],"volunteers.":[129],"The":[130],"experimental":[131],"demonstrate":[133],"that":[134],"our":[135,156],"method":[136],"achieves":[137],"state-of-the-art":[138],"performance,":[141],"about":[142],"76%":[143],"accuracy":[144],"72%":[146],"F1-score":[147],"classifying":[149],"low,":[150],"medium":[151],"high":[153],"stress.":[154],"knowledge,":[157],"first":[161],"attempt":[162],"dealing":[163]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}