{"id":"https://openalex.org/W4405717320","doi":"https://doi.org/10.1109/tcsi.2024.3517133","title":"HAST: A Hardware-Efficient Spatio-Temporal Correlation Near-Sensor Noise Filter for Dynamic Vision Sensors","display_name":"HAST: A Hardware-Efficient Spatio-Temporal Correlation Near-Sensor Noise Filter for Dynamic Vision Sensors","publication_year":2024,"publication_date":"2024-12-23","ids":{"openalex":"https://openalex.org/W4405717320","doi":"https://doi.org/10.1109/tcsi.2024.3517133"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2024.3517133","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2024.3517133","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","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/A5060345086","display_name":"P. K. Gopalakrishnan","orcid":"https://orcid.org/0000-0001-6597-6141"},"institutions":[{"id":"https://openalex.org/I4210146168","display_name":"CREATe Centre","ror":"https://ror.org/04e30s833","country_code":"GB","type":"facility","lineage":["https://openalex.org/I4210146168"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pradeep Kumar Gopalakrishnan","raw_affiliation_strings":["CNRS@CREATE Ltd., CREATE Tower, Singapore","Ltd, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-6597-6141","affiliations":[{"raw_affiliation_string":"CNRS@CREATE Ltd., CREATE Tower, Singapore","institution_ids":["https://openalex.org/I4210146168"]},{"raw_affiliation_string":"Ltd, Singapore, Singapore","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029335324","display_name":"Chip-Hong Chang","orcid":"https://orcid.org/0000-0002-8897-6176"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},{"id":"https://openalex.org/I4210146168","display_name":"CREATe Centre","ror":"https://ror.org/04e30s833","country_code":"GB","type":"facility","lineage":["https://openalex.org/I4210146168"]}],"countries":["GB","SG"],"is_corresponding":false,"raw_author_name":"Chip-Hong Chang","raw_affiliation_strings":["CNRS@CREATE Ltd., CREATE Tower, Singapore","School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-8897-6176","affiliations":[{"raw_affiliation_string":"CNRS@CREATE Ltd., CREATE Tower, Singapore","institution_ids":["https://openalex.org/I4210146168"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002380437","display_name":"Arindam Basu","orcid":"https://orcid.org/0000-0003-1035-8770"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Arindam Basu","raw_affiliation_strings":["Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong","Department of Electrical Engineering, City University of Hong Kong, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-1035-8770","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Electrical Engineering, City University of Hong Kong, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2495,"currency":"USD","value_usd":2495},"apc_paid":null,"fwci":0.7028,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.66429682,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"72","issue":"3","first_page":"1332","last_page":"1345"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9984999895095825,"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/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9984999895095825,"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/T10320","display_name":"Neural Networks and Applications","score":0.9896000027656555,"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/T12389","display_name":"Infrared Target Detection Methodologies","score":0.9819999933242798,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6529460549354553},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5727047920227051},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.5376026034355164},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.45149797201156616},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4242396056652069},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.40278160572052},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23240149021148682}],"concepts":[{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6529460549354553},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5727047920227051},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.5376026034355164},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.45149797201156616},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4242396056652069},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40278160572052},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23240149021148682},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcsi.2024.3517133","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2024.3517133","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Circuits and Systems I: Regular Papers","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/204744","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/204744","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6200000047683716,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G1768734044","display_name":null,"funder_award_id":"9380132","funder_id":"https://openalex.org/F4320309893","funder_display_name":"City University of Hong Kong"}],"funders":[{"id":"https://openalex.org/F4320309893","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23"},{"id":"https://openalex.org/F4320320709","display_name":"National Research Foundation Singapore","ror":"https://ror.org/03cpyc314"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W206948248","https://openalex.org/W1484764436","https://openalex.org/W1568532871","https://openalex.org/W1975697167","https://openalex.org/W1998339166","https://openalex.org/W1999085092","https://openalex.org/W2016574277","https://openalex.org/W2070304943","https://openalex.org/W2123845384","https://openalex.org/W2158698691","https://openalex.org/W2469278928","https://openalex.org/W2745933219","https://openalex.org/W2782061689","https://openalex.org/W2796402180","https://openalex.org/W2797987944","https://openalex.org/W2903380418","https://openalex.org/W2938463073","https://openalex.org/W2998281665","https://openalex.org/W3011746063","https://openalex.org/W3013851562","https://openalex.org/W3023872917","https://openalex.org/W3034269449","https://openalex.org/W3040838455","https://openalex.org/W3044120558","https://openalex.org/W3096376821","https://openalex.org/W3111548021","https://openalex.org/W3176510244","https://openalex.org/W3188021906","https://openalex.org/W4213412898","https://openalex.org/W4285309669","https://openalex.org/W4312514075","https://openalex.org/W4322576837","https://openalex.org/W4385801513","https://openalex.org/W4396782770","https://openalex.org/W6606171110"],"related_works":["https://openalex.org/W2772917594","https://openalex.org/W2036807459","https://openalex.org/W2058170566","https://openalex.org/W2755342338","https://openalex.org/W2166024367","https://openalex.org/W3116076068","https://openalex.org/W2229312674","https://openalex.org/W2951359407","https://openalex.org/W2079911747","https://openalex.org/W1969923398"],"abstract_inverted_index":{"The":[0,183,214],"Dynamic":[1],"Vision":[2],"Sensor":[3],"(DVS)":[4],"is":[5],"a":[6,87,154],"bio-inspired":[7],"image":[8,59],"sensor":[9,155,193],"which":[10],"has":[11],"many":[12],"advantages":[13],"such":[14],"as":[15],"high":[16,19,21],"dynamic":[17],"range,":[18],"bandwidth,":[20],"temporal":[22],"resolution":[23],"and":[24,33,53,113,136,166,185],"low":[25],"power":[26],"consumption":[27],"for":[28,94,111,124,153,174,226],"Internet":[29],"of":[30,50,129,156,163,169,188,211],"Video":[31],"Things":[32],"Edge":[34],"Computing":[35],"applications.":[36],"However,":[37],"spuriously":[38],"generated":[39],"Background":[40],"Activity":[41],"(BA)":[42],"noise":[43,76,97],"events":[44,77],"can":[45,68,218],"significantly":[46],"degrade":[47],"the":[48,58,74,119,126,189],"quality":[49],"DVS":[51],"output":[52],"cause":[54],"unnecessary":[55],"computations":[56],"throughout":[57],"processing":[60],"chain,":[61],"reducing":[62],"its":[63],"energy":[64,137,171,186],"efficiency.":[65],"Near-sensor":[66],"filters":[67,142],"mitigate":[69],"this":[70,83],"problem":[71],"by":[72,221],"preventing":[73],"BA":[75,96],"from":[78,178],"reaching":[79],"downstream":[80],"stages.":[81],"In":[82,195],"paper,":[84],"we":[85],"propose":[86],"novel,":[88],"hardware-efficient,":[89],"spatio-temporal":[90],"correlation":[91,175],"filter":[92,190,215],"(HAST)":[93],"near-sensor":[95],"filtering.":[98],"It":[99],"uses":[100,132],"compact":[101],"two-dimensional":[102],"binary":[103],"arrays":[104],"along":[105],"with":[106,150,192],"simple,":[107],"arithmetic-free":[108],"hash-based":[109],"functions":[110],"storage":[112],"retrieval":[114],"operations.":[115],"This":[116],"approach":[117],"eliminates":[118],"need":[120],"to":[121,139,180],"use":[122],"timestamps":[123],"determining":[125],"chronological":[127],"order":[128],"events.":[130],"HAST":[131,198],"much":[133],"lower":[134],"memory":[135,184],"compared":[138],"other":[140],"hardware-friendly":[141],"(BAF/STCF)":[143],"while":[144,206],"matching":[145],"their":[146,164,170,212],"performance":[147],"in":[148],"simulations":[149],"standard":[151],"datasets;":[152],"resolution$346\\times":[157],"260$pixels,":[158],"it":[159],"requires":[160],"only":[161,208],"5\u201318%":[162],"memory,":[165],"about":[167,200,209],"15%":[168],"per":[172],"event":[173],"time$\\tau":[176],"$ranging":[177],"1":[179],"50":[181],"ms.":[182],"gains":[187],"increase":[191],"resolution.":[194],"FPGA":[196],"implementation,":[197],"achieves":[199],"29%":[201],"higher":[202],"throughput":[203],"than":[204],"BAF/STCF":[205],"utilizing":[207],"5%":[210],"memory.":[213],"parameter":[216],"values":[217],"be":[219],"chosen":[220],"Design":[222],"Space":[223],"Exploration":[224],"(DSE)":[225],"optimized":[227],"performance-resource":[228],"trade-offs":[229],"based":[230],"on":[231],"application":[232],"requirements.":[233]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-29T07:29:34.045763","created_date":"2025-10-10T00:00:00"}
