{"id":"https://openalex.org/W4415744167","doi":"https://doi.org/10.1109/sbcci66862.2025.11218664","title":"ARL-4AC: Approximate Recombination Line in Approximate 4-2 Adder Compressor","display_name":"ARL-4AC: Approximate Recombination Line in Approximate 4-2 Adder Compressor","publication_year":2025,"publication_date":"2025-08-25","ids":{"openalex":"https://openalex.org/W4415744167","doi":"https://doi.org/10.1109/sbcci66862.2025.11218664"},"language":null,"primary_location":{"id":"doi:10.1109/sbcci66862.2025.11218664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sbcci66862.2025.11218664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 38th SBC/SBMicro/IEEE Symposium on Integrated Circuits and Systems Design (SBCCI)","raw_type":"proceedings-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/A5113091704","display_name":"Rodrigo Lopes","orcid":null},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Rodrigo Lopes","raw_affiliation_strings":["Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058419196","display_name":"Victor Hugo Jacks Mendes dos Santos","orcid":"https://orcid.org/0000-0002-2565-4831"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Victor Santos","raw_affiliation_strings":["Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093697235","display_name":"Leonardo Antonietti","orcid":null},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Leonardo Antonietti","raw_affiliation_strings":["Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104226359","display_name":"Morgana da Rosa","orcid":null},"institutions":[{"id":"https://openalex.org/I110676245","display_name":"Universidade Cat\u00f3lica de Pelotas","ror":"https://ror.org/0376myh60","country_code":"BR","type":"education","lineage":["https://openalex.org/I110676245"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Morgana Da Rosa","raw_affiliation_strings":["Catholic University of Pelotas (UCPel),Graduate Program on Electronic Engineering and Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Catholic University of Pelotas (UCPel),Graduate Program on Electronic Engineering and Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I110676245"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115826066","display_name":"Eduardo Da Costa","orcid":null},"institutions":[{"id":"https://openalex.org/I110676245","display_name":"Universidade Cat\u00f3lica de Pelotas","ror":"https://ror.org/0376myh60","country_code":"BR","type":"education","lineage":["https://openalex.org/I110676245"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Eduardo Da Costa","raw_affiliation_strings":["Catholic University of Pelotas (UCPel),Graduate Program on Electronic Engineering and Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Catholic University of Pelotas (UCPel),Graduate Program on Electronic Engineering and Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I110676245"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030974893","display_name":"Rafael Soares","orcid":"https://orcid.org/0000-0001-9493-7272"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Rafael Soares","raw_affiliation_strings":["Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil"],"affiliations":[{"raw_affiliation_string":"Federal University of Pelotas (UFPel),Graduate Program on Computing,Pelotas,Brazil","institution_ids":["https://openalex.org/I169248161"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5113091704"],"corresponding_institution_ids":["https://openalex.org/I169248161"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.39561399,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.4562999904155731,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.4562999904155731,"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.2549000084400177,"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.09520000219345093,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/adder","display_name":"Adder","score":0.9172000288963318},{"id":"https://openalex.org/keywords/gas-compressor","display_name":"Gas compressor","score":0.5773000121116638},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.5577999949455261},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5277000069618225},{"id":"https://openalex.org/keywords/carry-save-adder","display_name":"Carry-save adder","score":0.46320000290870667},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.4271000027656555},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.3806999921798706},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.36739999055862427}],"concepts":[{"id":"https://openalex.org/C164620267","wikidata":"https://www.wikidata.org/wiki/Q376953","display_name":"Adder","level":3,"score":0.9172000288963318},{"id":"https://openalex.org/C131097465","wikidata":"https://www.wikidata.org/wiki/Q178898","display_name":"Gas compressor","level":2,"score":0.5773000121116638},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.5577999949455261},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5277000069618225},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47600001096725464},{"id":"https://openalex.org/C3227080","wikidata":"https://www.wikidata.org/wiki/Q5046770","display_name":"Carry-save adder","level":4,"score":0.46320000290870667},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.4271000027656555},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4018999934196472},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.3806999921798706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3804999887943268},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.36910000443458557},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.36739999055862427},{"id":"https://openalex.org/C145242015","wikidata":"https://www.wikidata.org/wiki/Q774123","display_name":"Approximation theory","level":2,"score":0.36719998717308044},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3635999858379364},{"id":"https://openalex.org/C68060419","wikidata":"https://www.wikidata.org/wiki/Q40754","display_name":"Subtraction","level":2,"score":0.3517000079154968},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.32339999079704285},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.30970001220703125},{"id":"https://openalex.org/C116206932","wikidata":"https://www.wikidata.org/wiki/Q7454686","display_name":"Serial binary adder","level":4,"score":0.3077999949455261},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.3070000112056732},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.28859999775886536},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.25839999318122864},{"id":"https://openalex.org/C156695909","wikidata":"https://www.wikidata.org/wiki/Q3373825","display_name":"Recombination","level":3,"score":0.2563000023365021}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sbcci66862.2025.11218664","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sbcci66862.2025.11218664","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 38th SBC/SBMicro/IEEE Symposium on Integrated Circuits and Systems Design (SBCCI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2124651102","https://openalex.org/W2341955181","https://openalex.org/W2577531088","https://openalex.org/W2743874103","https://openalex.org/W2946338335","https://openalex.org/W3016861773","https://openalex.org/W3021587158","https://openalex.org/W4255828897","https://openalex.org/W4313250823","https://openalex.org/W4390693291","https://openalex.org/W4401595201","https://openalex.org/W4406894881","https://openalex.org/W4408048538","https://openalex.org/W4409683601"],"related_works":[],"abstract_inverted_index":{"This":[0,78],"study":[1],"investigates":[2,80],"adder":[3,35,60,69],"compressors":[4,36],"in":[5,23,46,86,94,122,143],"the":[6,15,18,50,56,64,72,81,87,95,108,123,138,141],"precise":[7],"(ACs)":[8],"and":[9,90,100,119,125],"approximate":[10,30,144],"(AxACs)":[11],"forms":[12],"to":[13,55,105,112,130],"improve":[14],"efficiency":[16,99],"of":[17,83,140],"discrete":[19],"cosine":[20],"transform":[21],"(DCT)":[22],"image":[24],"processing.":[25],"We":[26],"present":[27],"a":[28,40,134],"novel":[29],"recombination":[31,65,88],"line":[32,66,89],"with":[33],"4-input":[34],"(ARL-4AC)":[37],"that":[38],"establishes":[39],"new":[41],"paradigm":[42,110],"for":[43],"addition":[44,124],"units":[45],"AxC-based":[47],"architectures.":[48],"Traditionally,":[49],"approximation":[51],"is":[52],"only":[53],"applied":[54,104],"kernel":[57],"or":[58],"first":[59],"stage":[61],"while":[62],"implementing":[63],"(or":[67],"second":[68],"stage)":[70],"using":[71,84],"synthesis":[73],"tool\u2019s":[74],"conventional":[75],"\u2018+\u2019":[76],"operator.":[77],"work":[79],"feasibility":[82],"AxACs":[85],"demonstrates":[91],"significant":[92,135],"improvements":[93],"trade-off":[96],"between":[97],"computational":[98],"design":[101],"metrics.":[102],"When":[103],"DCT":[106],"architectures,":[107],"proposed":[109],"leads":[111],"remarkable":[113],"results":[114],"by":[115,128],"reducing":[116],"energy":[117],"consumption":[118],"area":[120],"utilization":[121],"subtraction":[126],"components":[127],"up":[129],"$90":[131],"\\%$,":[132],"representing":[133],"advance":[136],"over":[137],"state":[139],"art":[142],"arithmetic.":[145]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-31T00:00:00"}