{"id":"https://openalex.org/W3214878703","doi":"https://doi.org/10.1109/ojcas.2021.3124243","title":"Codec-Simulation Network for Joint Optimization of Video Coding With Pre- and Post-Processing","display_name":"Codec-Simulation Network for Joint Optimization of Video Coding With Pre- and Post-Processing","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3214878703","doi":"https://doi.org/10.1109/ojcas.2021.3124243","mag":"3214878703"},"language":"en","primary_location":{"id":"doi:10.1109/ojcas.2021.3124243","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2021.3124243","pdf_url":"https://ieeexplore.ieee.org/ielx7/8784029/9314963/09623352.pdf","source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"is_oa":true,"is_in_doaj":true,"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 Open Journal of Circuits and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/8784029/9314963/09623352.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055413470","display_name":"Kaitian Qiu","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kaitian Qiu","raw_affiliation_strings":["College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106403416","display_name":"Lu Yu","orcid":"https://orcid.org/0000-0002-0550-7754"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Yu","raw_affiliation_strings":["College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041139579","display_name":"Daowen Li","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Daowen Li","raw_affiliation_strings":["College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5055413470"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":1.0803,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.77759209,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"2","issue":null,"first_page":"648","last_page":"659"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998999834060669,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998999834060669,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/codec","display_name":"Codec","score":0.9129263162612915},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8023343682289124},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5697392821311951},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5645186305046082},{"id":"https://openalex.org/keywords/video-processing","display_name":"Video processing","score":0.47277119755744934},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4635533392429352},{"id":"https://openalex.org/keywords/adaptive-multi-rate-audio-codec","display_name":"Adaptive Multi-Rate audio codec","score":0.46282678842544556},{"id":"https://openalex.org/keywords/lossy-compression","display_name":"Lossy compression","score":0.45166587829589844},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.41488635540008545},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34284543991088867},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.2846222221851349},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25890016555786133},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.08328777551651001},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07822436094284058},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07718595862388611}],"concepts":[{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.9129263162612915},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8023343682289124},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5697392821311951},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5645186305046082},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.47277119755744934},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4635533392429352},{"id":"https://openalex.org/C177067256","wikidata":"https://www.wikidata.org/wiki/Q4676210","display_name":"Adaptive Multi-Rate audio codec","level":4,"score":0.46282678842544556},{"id":"https://openalex.org/C165021410","wikidata":"https://www.wikidata.org/wiki/Q55564","display_name":"Lossy compression","level":2,"score":0.45166587829589844},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.41488635540008545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34284543991088867},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.2846222221851349},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25890016555786133},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.08328777551651001},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07822436094284058},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07718595862388611},{"id":"https://openalex.org/C204201278","wikidata":"https://www.wikidata.org/wiki/Q1332614","display_name":"Voice activity detection","level":3,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ojcas.2021.3124243","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2021.3124243","pdf_url":"https://ieeexplore.ieee.org/ielx7/8784029/9314963/09623352.pdf","source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"is_oa":true,"is_in_doaj":true,"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 Open Journal of Circuits and Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3aa39bfac87b483d9965e12056f94774","is_oa":true,"landing_page_url":"https://doaj.org/article/3aa39bfac87b483d9965e12056f94774","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of Circuits and Systems, Vol 2, Pp 648-659 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcas.2021.3124243","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcas.2021.3124243","pdf_url":"https://ieeexplore.ieee.org/ielx7/8784029/9314963/09623352.pdf","source":{"id":"https://openalex.org/S4210192473","display_name":"IEEE Open Journal of Circuits and Systems","issn_l":"2644-1225","issn":["2644-1225"],"is_oa":true,"is_in_doaj":true,"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 Open Journal of Circuits and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8748308789","display_name":null,"funder_award_id":"62071427","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3214878703.pdf","grobid_xml":"https://content.openalex.org/works/W3214878703.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W1885185971","https://openalex.org/W1993065986","https://openalex.org/W2061948516","https://openalex.org/W2095715309","https://openalex.org/W2133665775","https://openalex.org/W2142302988","https://openalex.org/W2194775991","https://openalex.org/W2477177239","https://openalex.org/W2490784316","https://openalex.org/W2508457857","https://openalex.org/W2564241695","https://openalex.org/W2753763724","https://openalex.org/W2761287863","https://openalex.org/W2785562966","https://openalex.org/W2793408333","https://openalex.org/W2866634454","https://openalex.org/W2884585870","https://openalex.org/W2891158090","https://openalex.org/W2894234546","https://openalex.org/W2897552070","https://openalex.org/W2942586808","https://openalex.org/W2963372104","https://openalex.org/W2963446712","https://openalex.org/W2963470893","https://openalex.org/W2964098744","https://openalex.org/W2991484220","https://openalex.org/W2999803881","https://openalex.org/W3005426304","https://openalex.org/W3013549134","https://openalex.org/W3081508396","https://openalex.org/W3098668600","https://openalex.org/W3101531460","https://openalex.org/W4294567867","https://openalex.org/W6734035190","https://openalex.org/W6754405603","https://openalex.org/W6770516204"],"related_works":["https://openalex.org/W4252424250","https://openalex.org/W2370747337","https://openalex.org/W1890500690","https://openalex.org/W2157819213","https://openalex.org/W2973199290","https://openalex.org/W4323657011","https://openalex.org/W2379517759","https://openalex.org/W2160581253","https://openalex.org/W2377064494","https://openalex.org/W2051701434"],"abstract_inverted_index":{"In":[0],"real":[1],"video":[2,89,101],"coding":[3,33,47,102],"systems,":[4],"there":[5],"might":[6],"be":[7,22],"pre-processing":[8],"before":[9],"the":[10,15,26,44,50,91],"encoding":[11],"and":[12,19,55,79,85,108,115],"post-processing":[13,20,56,86],"after":[14],"decoding.":[16],"Those":[17],"pre-":[18,54,84],"should":[21],"jointly":[23],"optimized":[24],"considering":[25],"existing":[27],"of":[28,53,83,87,94],"distortions":[29],"introduced":[30],"by":[31],"lossy":[32],"in":[34,72,99,106],"between.":[35],"This":[36],"paper":[37],"proposes":[38],"a":[39,88,100],"differentiable":[40],"network":[41,61],"to":[42,48,65],"simulate":[43],"non-differentiable":[45],"traditional":[46],"make":[49],"joint":[51,92,121],"optimization":[52,93],"possible.":[57],"The":[58],"proposed":[59],"codec-simulation":[60],"can":[62,104],"achieve":[63],"up":[64],"49.4dB":[66],"simulation":[67],"accuracy":[68],"for":[69],"HEVC":[70],"codec":[71],"intra":[73],"mode.":[74],"When":[75],"we":[76],"use":[77],"down-sampling":[78],"up-sampling":[80],"as":[81],"examples":[82],"codec,":[90],"these":[95],"two":[96],"processing":[97],"modules":[98],"system":[103],"result":[105],"46.88%":[107],"55.15%":[109],"BD-rate":[110],"reduction":[111],"based":[112],"on":[113],"PSNR":[114],"SSIM":[116],"compared":[117],"with":[118],"that":[119],"without":[120],"optimization.":[122]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-13T07:58:08.660418","created_date":"2025-10-10T00:00:00"}