{"id":"https://openalex.org/W4391183745","doi":"https://doi.org/10.1109/asicon58565.2023.10396637","title":"An Energy-efficient Approximate DCT Design for Image Processing (Invited)","display_name":"An Energy-efficient Approximate DCT Design for Image Processing (Invited)","publication_year":2023,"publication_date":"2023-10-24","ids":{"openalex":"https://openalex.org/W4391183745","doi":"https://doi.org/10.1109/asicon58565.2023.10396637"},"language":"en","primary_location":{"id":"doi:10.1109/asicon58565.2023.10396637","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/asicon58565.2023.10396637","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 15th International Conference on ASIC (ASICON)","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/A5100708438","display_name":"Xu Wang","orcid":"https://orcid.org/0000-0003-2171-8882"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xu Wang","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics","Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China","institution_ids":["https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100451984","display_name":"Ke Chen","orcid":"https://orcid.org/0000-0001-9457-9364"},"institutions":[{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]},{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Chen","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics","Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China","institution_ids":["https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055800000","display_name":"Chenghua Wang","orcid":"https://orcid.org/0000-0001-8415-0548"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenghua Wang","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics","Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China","institution_ids":["https://openalex.org/I890469752"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023734605","display_name":"Weiqiang Liu","orcid":"https://orcid.org/0000-0001-8398-8648"},"institutions":[{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]},{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiqiang Liu","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics","Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Aerospace Integrated Circuits and Microsystem, Ministry of Industry and Information Technology, Nanjing, China","institution_ids":["https://openalex.org/I890469752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100708438"],"corresponding_institution_ids":["https://openalex.org/I890469752","https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":0.2038,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.49752739,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"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":0.9995999932289124,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9983999729156494,"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"}},{"id":"https://openalex.org/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.9979000091552734,"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/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.9665271639823914},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.717528223991394},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6080248355865479},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5081033706665039},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.4635104238986969},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4509522318840027},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.4490830600261688},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.4423280656337738},{"id":"https://openalex.org/keywords/design-space-exploration","display_name":"Design space exploration","score":0.4127342700958252},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.40697014331817627},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3899652659893036},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3346155881881714},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3141425848007202},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.26024824380874634},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08148586750030518},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.06921356916427612}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.9665271639823914},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.717528223991394},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6080248355865479},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5081033706665039},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.4635104238986969},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4509522318840027},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.4490830600261688},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.4423280656337738},{"id":"https://openalex.org/C2776221188","wikidata":"https://www.wikidata.org/wiki/Q21072556","display_name":"Design space exploration","level":2,"score":0.4127342700958252},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.40697014331817627},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3899652659893036},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3346155881881714},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3141425848007202},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.26024824380874634},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08148586750030518},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.06921356916427612},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/asicon58565.2023.10396637","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/asicon58565.2023.10396637","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 15th International Conference on ASIC (ASICON)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2039134505","https://openalex.org/W2056665252","https://openalex.org/W2105815873","https://openalex.org/W2119982490","https://openalex.org/W2158664566","https://openalex.org/W2738060292","https://openalex.org/W2790569472","https://openalex.org/W2802462220","https://openalex.org/W2944625023","https://openalex.org/W3009178428","https://openalex.org/W3159583820","https://openalex.org/W4205700951","https://openalex.org/W4226438699"],"related_works":["https://openalex.org/W4282568311","https://openalex.org/W4313484792","https://openalex.org/W2951473296","https://openalex.org/W2883928845","https://openalex.org/W4288420200","https://openalex.org/W3145095675","https://openalex.org/W4285346947","https://openalex.org/W4312107582","https://openalex.org/W4365793791","https://openalex.org/W3134072570"],"abstract_inverted_index":{"In":[0],"applications":[1,40],"involving":[2],"image":[3,38],"and":[4,21,31,41,65,74,84,119,152],"video":[5],"compression,":[6],"the":[7,35,57,62,95,103,110,145],"Discrete":[8],"Cosine":[9],"Transform":[10],"(DCT)":[11],"is":[12],"a":[13,48,70,88,131],"computationally":[14],"intensive":[15],"step,":[16],"requiring":[17],"complex":[18],"hardware":[19,43,150],"operations":[20],"generating":[22],"large":[23],"intermediate":[24],"results":[25,100],"that":[26,102],"consume":[27],"substantial":[28],"memory":[29],"space":[30],"power.":[32],"To":[33],"enhance":[34],"performance":[36,85],"of":[37],"processing":[39],"minimize":[42],"requirements,":[44],"this":[45],"paper":[46],"introduces":[47],"highly":[49],"efficient":[50],"approximate":[51,105,142],"DCT":[52,58,63,106,143],"design.":[53],"This":[54],"design":[55,79],"simplifies":[56],"operation":[59],"by":[60,117,122],"approximating":[61],"coefficients":[64],"optimizing":[66],"adjacent":[67],"pixels,":[68],"achieving":[69],"balance":[71],"between":[72],"accuracy":[73],"energy":[75],"consumption.":[76,154],"The":[77,98],"proposed":[78,104,146],"was":[80],"subjected":[81],"to":[82,109,139],"functional":[83],"simulations":[86],"using":[87],"standard":[89],"CMOS":[90],"cell":[91],"library":[92],"based":[93],"on":[94],"28nm":[96],"process.":[97],"simulation":[99],"demonstrate":[101],"method,":[107],"compared":[108,138],"conventional":[111],"accurate":[112],"DCT,":[113],"reduces":[114,149],"area":[115,151],"usage":[116],"60.87%":[118],"power":[120,153],"consumption":[121],"64.16%":[123],"through":[124],"coefficient":[125],"optimization":[126],"alone":[127],"while":[128],"experiencing":[129],"only":[130],"1dB":[132],"loss":[133],"in":[134],"PSNR.":[135],"Furthermore,":[136],"when":[137],"other":[140],"similar":[141],"structures,":[144],"method":[147],"significantly":[148]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}