{"id":"https://openalex.org/W4408355664","doi":"https://doi.org/10.1109/icassp49660.2025.10888880","title":"Transfer Learning for Covert Speech Classification Using EEG Hilbert Envelope and Temporal Fine Structure","display_name":"Transfer Learning for Covert Speech Classification Using EEG Hilbert Envelope and Temporal Fine Structure","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408355664","doi":"https://doi.org/10.1109/icassp49660.2025.10888880"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10888880","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10888880","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":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://orbilu.uni.lu/handle/10993/64121","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028283480","display_name":"Saravanakumar Duraisamy","orcid":"https://orcid.org/0000-0002-8691-4991"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Saravanakumar Duraisamy","raw_affiliation_strings":["University of Luxembourg,Luxembourg"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072485983","display_name":"Mateusz Dubiel","orcid":"https://orcid.org/0000-0001-8250-3370"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Mateusz Dubiel","raw_affiliation_strings":["University of Luxembourg,Luxembourg"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062802508","display_name":"Maurice Rekrut","orcid":"https://orcid.org/0000-0002-5829-5409"},"institutions":[{"id":"https://openalex.org/I33256026","display_name":"German Research Centre for Artificial Intelligence","ror":"https://ror.org/01ayc5b57","country_code":"DE","type":"funder","lineage":["https://openalex.org/I33256026"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Maurice Rekrut","raw_affiliation_strings":["German Research Center for Artificial Intelligence (DFKI),Germany"],"affiliations":[{"raw_affiliation_string":"German Research Center for Artificial Intelligence (DFKI),Germany","institution_ids":["https://openalex.org/I33256026"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017930924","display_name":"Luis A. Leiva","orcid":"https://orcid.org/0000-0002-5011-1847"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Luis A. Leiva","raw_affiliation_strings":["University of Luxembourg,Luxembourg"],"affiliations":[{"raw_affiliation_string":"University of Luxembourg,Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5028283480"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":1.5743,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.78721751,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"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/T10860","display_name":"Speech and Audio Processing","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9871000051498413,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9629999995231628,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/covert","display_name":"Covert","score":0.741702139377594},{"id":"https://openalex.org/keywords/transfer-of-learning","display_name":"Transfer of learning","score":0.7324401140213013},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6986383199691772},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6979385018348694},{"id":"https://openalex.org/keywords/envelope","display_name":"Envelope (radar)","score":0.6049237251281738},{"id":"https://openalex.org/keywords/transfer","display_name":"Transfer (computing)","score":0.5004098415374756},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4942588806152344},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.44504499435424805},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.3903927803039551},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.14223119616508484},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.11839205026626587},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06777343153953552}],"concepts":[{"id":"https://openalex.org/C2779338814","wikidata":"https://www.wikidata.org/wiki/Q5179285","display_name":"Covert","level":2,"score":0.741702139377594},{"id":"https://openalex.org/C150899416","wikidata":"https://www.wikidata.org/wiki/Q1820378","display_name":"Transfer of learning","level":2,"score":0.7324401140213013},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6986383199691772},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6979385018348694},{"id":"https://openalex.org/C65155139","wikidata":"https://www.wikidata.org/wiki/Q5380912","display_name":"Envelope (radar)","level":3,"score":0.6049237251281738},{"id":"https://openalex.org/C2776175482","wikidata":"https://www.wikidata.org/wiki/Q1195816","display_name":"Transfer (computing)","level":2,"score":0.5004098415374756},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4942588806152344},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.44504499435424805},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.3903927803039551},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.14223119616508484},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.11839205026626587},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06777343153953552},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp49660.2025.10888880","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10888880","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"},{"id":"pmh:oai:orbilu.uni.lu:10993/64121","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/64121","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Proceedings of ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (2025-04-06); (ICASSP 2025): 2025 IEEE International Conference on Acoustics, Speech, and Signal Processing, Hyderabad, India [IN], from 6 to 11 April 2025","raw_type":"peer reviewed"}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/64121","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/64121","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Proceedings of ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (2025-04-06); (ICASSP 2025): 2025 IEEE International Conference on Acoustics, Speech, and Signal Processing, Hyderabad, India [IN], from 6 to 11 April 2025","raw_type":"peer reviewed"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321408","display_name":"Ministry of Education","ror":"https://ror.org/01p262204"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W2008120082","https://openalex.org/W2011957681","https://openalex.org/W2029626315","https://openalex.org/W2066783542","https://openalex.org/W2076676508","https://openalex.org/W2129504388","https://openalex.org/W2499854530","https://openalex.org/W2508228622","https://openalex.org/W2552318115","https://openalex.org/W2793257307","https://openalex.org/W2912610206","https://openalex.org/W2939761225","https://openalex.org/W2941048526","https://openalex.org/W2991515203","https://openalex.org/W3007305757","https://openalex.org/W3007426534","https://openalex.org/W3083438180","https://openalex.org/W3107897631","https://openalex.org/W3202312151","https://openalex.org/W3211972444","https://openalex.org/W4205549622","https://openalex.org/W4210261408","https://openalex.org/W4224675643","https://openalex.org/W4309374235","https://openalex.org/W4387431856","https://openalex.org/W4390905210","https://openalex.org/W4396495137","https://openalex.org/W4398141957","https://openalex.org/W4399200106"],"related_works":["https://openalex.org/W2523525694","https://openalex.org/W2998642566","https://openalex.org/W2392682561","https://openalex.org/W57793151","https://openalex.org/W2804882289","https://openalex.org/W2727423897","https://openalex.org/W2497612952","https://openalex.org/W4247948804","https://openalex.org/W2392053643","https://openalex.org/W2595182909"],"abstract_inverted_index":{"Brain-Computer":[0],"Interfaces":[1],"(BCIs)":[2],"can":[3],"decode":[4],"imagined":[5],"speech":[6,52,56,101,106,110],"from":[7,64],"neural":[8],"activity.":[9],"However,":[10],"these":[11,43],"systems":[12],"typically":[13],"require":[14],"extensive":[15,91],"training":[16,92],"sessions":[17],"where":[18],"participants":[19],"imaginedly":[20],"repeat":[21],"words,":[22,33],"leading":[23],"to":[24,54,75],"mental":[25],"fatigue":[26],"and":[27,68,72,93,102],"difficulties":[28],"identifying":[29],"the":[30,65,88,108],"onset":[31],"of":[32,38,90],"especially":[34],"when":[35],"imagining":[36],"sequences":[37],"words.":[39],"This":[40],"paper":[41],"addresses":[42],"challenges":[44],"by":[45],"transferring":[46],"a":[47,77],"classifier":[48],"trained":[49],"in":[50],"overt":[51,100,109],"data":[53],"covert":[55,105],"classification.":[57,84],"We":[58],"used":[59,73],"electroencephalogram":[60],"(EEG)":[61],"features":[62],"derived":[63],"Hilbert":[66],"envelope":[67],"temporal":[69],"fine":[70],"structure,":[71],"them":[74],"train":[76],"bidirectional":[78],"long-short-term":[79],"memory":[80],"(BiLSTM)":[81],"model":[82],"for":[83,99,104],"Our":[85],"method":[86],"reduces":[87],"burden":[89],"achieves":[94],"state-of-the-art":[95],"classification":[96],"accuracy:":[97],"86.44%":[98],"79.82%":[103],"using":[107],"classifier.":[111]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-22T23:10:17.713674","created_date":"2025-10-10T00:00:00"}