{"id":"https://openalex.org/W4372346223","doi":"https://doi.org/10.1109/icassp49357.2023.10094768","title":"Adaptive Axonal Delays in Feedforward Spiking Neural Networks for Accurate Spoken Word Recognition","display_name":"Adaptive Axonal Delays in Feedforward Spiking Neural Networks for Accurate Spoken Word Recognition","publication_year":2023,"publication_date":"2023-05-05","ids":{"openalex":"https://openalex.org/W4372346223","doi":"https://doi.org/10.1109/icassp49357.2023.10094768"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49357.2023.10094768","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49357.2023.10094768","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2023 - 2023 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://biblio.ugent.be/publication/01HJ1A38P0CCYNBF365781GAMR/file/01HJ1ABDEK43CGAWF7RQ9YBR2K.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100452233","display_name":"Pengfei Sun","orcid":"https://orcid.org/0000-0002-1855-5974"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Pengfei Sun","raw_affiliation_strings":["Ghent University,WAVES Research Group,Belgium","WAVES Research Group, Ghent University, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ghent University,WAVES Research Group,Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"WAVES Research Group, Ghent University, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091896908","display_name":"Ehsan Eqlimi","orcid":"https://orcid.org/0000-0001-7108-9290"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Ehsan Eqlimi","raw_affiliation_strings":["Ghent University,WAVES Research Group,Belgium","WAVES Research Group, Ghent University, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ghent University,WAVES Research Group,Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"WAVES Research Group, Ghent University, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066851412","display_name":"Yansong Chua","orcid":"https://orcid.org/0000-0002-3133-843X"},"institutions":[{"id":"https://openalex.org/I4210130112","display_name":"China Academy of Information and Communications Technology","ror":"https://ror.org/038dte259","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210130112","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yansong Chua","raw_affiliation_strings":["China Nanhu Academy of Electronics and Information Technology,China","China Nanhu Academy of Electronics and Information Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Nanhu Academy of Electronics and Information Technology,China","institution_ids":["https://openalex.org/I4210130112"]},{"raw_affiliation_string":"China Nanhu Academy of Electronics and Information Technology, China","institution_ids":["https://openalex.org/I4210130112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031754616","display_name":"Paul Devos","orcid":"https://orcid.org/0000-0003-4940-8886"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Paul Devos","raw_affiliation_strings":["Ghent University,WAVES Research Group,Belgium","WAVES Research Group, Ghent University, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ghent University,WAVES Research Group,Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"WAVES Research Group, Ghent University, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069519911","display_name":"Dick Botteldooren","orcid":"https://orcid.org/0000-0002-7756-7238"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Dick Botteldooren","raw_affiliation_strings":["Ghent University,WAVES Research Group,Belgium","WAVES Research Group, Ghent University, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ghent University,WAVES Research Group,Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"WAVES Research Group, Ghent University, Belgium","institution_ids":["https://openalex.org/I32597200"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3316,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.88657436,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"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/T10502","display_name":"Advanced Memory and Neural Computing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10502","display_name":"Advanced Memory and Neural Computing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10581","display_name":"Neural dynamics and brain function","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/computer-science","display_name":"Computer science","score":0.8167537450790405},{"id":"https://openalex.org/keywords/spiking-neural-network","display_name":"Spiking neural network","score":0.8120083808898926},{"id":"https://openalex.org/keywords/spike","display_name":"Spike (software development)","score":0.653960645198822},{"id":"https://openalex.org/keywords/asynchronous-communication","display_name":"Asynchronous communication","score":0.61552894115448},{"id":"https://openalex.org/keywords/feed-forward","display_name":"Feed forward","score":0.5732559561729431},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.5298898816108704},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5256670117378235},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.520648181438446},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4952909052371979},{"id":"https://openalex.org/keywords/spike-timing-dependent-plasticity","display_name":"Spike-timing-dependent plasticity","score":0.46087414026260376},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.43785378336906433},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3830375671386719}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8167537450790405},{"id":"https://openalex.org/C11731999","wikidata":"https://www.wikidata.org/wiki/Q9067355","display_name":"Spiking neural network","level":3,"score":0.8120083808898926},{"id":"https://openalex.org/C2781390188","wikidata":"https://www.wikidata.org/wiki/Q25203449","display_name":"Spike (software development)","level":2,"score":0.653960645198822},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.61552894115448},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.5732559561729431},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.5298898816108704},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5256670117378235},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.520648181438446},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4952909052371979},{"id":"https://openalex.org/C159919123","wikidata":"https://www.wikidata.org/wiki/Q7577157","display_name":"Spike-timing-dependent plasticity","level":4,"score":0.46087414026260376},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.43785378336906433},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3830375671386719},{"id":"https://openalex.org/C25274449","wikidata":"https://www.wikidata.org/wiki/Q1805481","display_name":"Long-term potentiation","level":3,"score":0.0},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp49357.2023.10094768","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49357.2023.10094768","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:archive.ugent.be:01HJ1A38P0CCYNBF365781GAMR","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-01HJ1A38P0CCYNBF365781GAMR","pdf_url":"https://biblio.ugent.be/publication/01HJ1A38P0CCYNBF365781GAMR/file/01HJ1ABDEK43CGAWF7RQ9YBR2K.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISBN: 9781728163277","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:archive.ugent.be:01HJ1A38P0CCYNBF365781GAMR","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-01HJ1A38P0CCYNBF365781GAMR","pdf_url":"https://biblio.ugent.be/publication/01HJ1A38P0CCYNBF365781GAMR/file/01HJ1ABDEK43CGAWF7RQ9YBR2K.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISBN: 9781728163277","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.5600000023841858,"display_name":"Quality Education"}],"awards":[{"id":"https://openalex.org/G3395539601","display_name":null,"funder_award_id":"2021ZD0200300","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320327336","display_name":"Vlaamse regering","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4372346223.pdf"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W2143612262","https://openalex.org/W2726147595","https://openalex.org/W2754486806","https://openalex.org/W2788415486","https://openalex.org/W2891530223","https://openalex.org/W2896339047","https://openalex.org/W2901937441","https://openalex.org/W2904845041","https://openalex.org/W2941458981","https://openalex.org/W2970338293","https://openalex.org/W2980513133","https://openalex.org/W2984844508","https://openalex.org/W3002946486","https://openalex.org/W3010748916","https://openalex.org/W3015854248","https://openalex.org/W3015878284","https://openalex.org/W3021734198","https://openalex.org/W3021865613","https://openalex.org/W3046044791","https://openalex.org/W3095212293","https://openalex.org/W3095988771","https://openalex.org/W3102040318","https://openalex.org/W3127168443","https://openalex.org/W3137378424","https://openalex.org/W3186268528","https://openalex.org/W3186962187","https://openalex.org/W3196571547","https://openalex.org/W3200729277","https://openalex.org/W3203906445","https://openalex.org/W4224932529","https://openalex.org/W4304731206","https://openalex.org/W4312741181","https://openalex.org/W6754595668","https://openalex.org/W6761552310","https://openalex.org/W6766330063","https://openalex.org/W6769296417","https://openalex.org/W6776646455","https://openalex.org/W6777751402","https://openalex.org/W6780628335","https://openalex.org/W6846765651"],"related_works":["https://openalex.org/W2542565870","https://openalex.org/W4306175885","https://openalex.org/W4391232523","https://openalex.org/W4312604567","https://openalex.org/W2977464668","https://openalex.org/W3126544799","https://openalex.org/W2165312143","https://openalex.org/W2735368993","https://openalex.org/W4297619707","https://openalex.org/W3110622310"],"abstract_inverted_index":{"Spiking":[0],"neural":[1],"networks":[2],"(SNN)":[3],"are":[4],"a":[5,74,80],"promising":[6],"research":[7],"avenue":[8],"for":[9,127],"building":[10],"accurate":[11],"and":[12,23,58,114],"efficient":[13],"automatic":[14],"speech":[15],"recognition":[16],"systems.":[17],"Recent":[18],"advances":[19],"in":[20,31,63,93],"audio-to-spike":[21],"encoding":[22],"training":[24,55,124],"algorithms":[25],"enable":[26],"SNN":[27,35,46],"to":[28,45,88],"be":[29,85],"applied":[30],"practical":[32],"tasks.":[33],"Biologically-inspired":[34],"communicates":[36],"using":[37],"sparse":[38],"asynchronous":[39],"events.":[40],"Therefore,":[41],"spike-timing":[42],"is":[43],"critical":[44],"performance.":[47],"In":[48,69],"this":[49,70],"aspect,":[50],"most":[51],"works":[52],"focus":[53],"on":[54,109],"synaptic":[56],"weights":[57],"few":[59],"have":[60],"considered":[61],"delays":[62,126],"event":[64],"transmission,":[65],"namely":[66],"axonal":[67,76,90,125],"delay.":[68],"work,":[71],"we":[72],"consider":[73],"learnable":[75],"delay":[77,91],"capped":[78],"at":[79],"maximum":[81],"value,":[82],"which":[83],"can":[84],"adapted":[86],"according":[87],"the":[89,104,110,121],"distribution":[92],"each":[94],"network":[95],"layer.":[96],"We":[97],"show":[98],"that":[99],"our":[100],"proposed":[101],"method":[102],"achieves":[103],"best":[105],"classification":[106],"results":[107],"reported":[108],"SHD":[111],"dataset":[112,116],"(92.45%)":[113],"NTIDIGITS":[115],"(95.09%).":[117],"Our":[118],"work":[119],"illustrates":[120],"potential":[122],"of":[123],"tasks":[128],"with":[129],"complex":[130],"temporal":[131],"structures.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}