{"id":"https://openalex.org/W2118469745","doi":"https://doi.org/10.1109/icassp.2004.1326521","title":"Deblocking DCT-based compressed images with weighted total variation","display_name":"Deblocking DCT-based compressed images with weighted total variation","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2118469745","doi":"https://doi.org/10.1109/icassp.2004.1326521","mag":"2118469745"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5071459058","display_name":"Fran\u00e7ois Alter","orcid":null},"institutions":[{"id":"https://openalex.org/I11559806","display_name":"\u00c9cole Normale Sup\u00e9rieure Paris-Saclay","ror":"https://ror.org/00hx6zz33","country_code":"FR","type":"education","lineage":["https://openalex.org/I11559806","https://openalex.org/I277688954"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"F. Alter","raw_affiliation_strings":["ENS Cachan, Paris, France","Ecole Normale Sup\u00e8rieure, Paris, France#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS Cachan, Paris, France","institution_ids":["https://openalex.org/I11559806"]},{"raw_affiliation_string":"Ecole Normale Sup\u00e8rieure, Paris, France#TAB#","institution_ids":["https://openalex.org/I29607241"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101487072","display_name":"Sylvain Durand","orcid":"https://orcid.org/0000-0003-1529-098X"},"institutions":[{"id":"https://openalex.org/I204730241","display_name":"Universit\u00e9 Paris Cit\u00e9","ror":"https://ror.org/05f82e368","country_code":"FR","type":"education","lineage":["https://openalex.org/I204730241"]},{"id":"https://openalex.org/I4210163673","display_name":"Laboratoire Ami\u00e9nois de Math\u00e9matique Fondamentale et Appliqu\u00e9e","ror":"https://ror.org/04smxbm79","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I4210141950","https://openalex.org/I4210163673","https://openalex.org/I4647051"]},{"id":"https://openalex.org/I4647051","display_name":"Universit\u00e9 de Picardie Jules Verne","ror":"https://ror.org/01gyxrk03","country_code":"FR","type":"education","lineage":["https://openalex.org/I4647051"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"S.Y. Durand","raw_affiliation_strings":["LAMFA, Universit\u00e9 de Picardie, Amiens, France","Math\u00e9matiques Appliqu\u00e9es Paris 5"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LAMFA, Universit\u00e9 de Picardie, Amiens, France","institution_ids":["https://openalex.org/I4647051","https://openalex.org/I4210163673"]},{"raw_affiliation_string":"Math\u00e9matiques Appliqu\u00e9es Paris 5","institution_ids":["https://openalex.org/I204730241"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070134081","display_name":"Jacques Froment","orcid":"https://orcid.org/0000-0002-9864-8432"},"institutions":[{"id":"https://openalex.org/I2802204017","display_name":"Universit\u00e9 de Bretagne Sud","ror":"https://ror.org/04ed7fw48","country_code":"FR","type":"education","lineage":["https://openalex.org/I2802204017"]},{"id":"https://openalex.org/I4210119023","display_name":"Laboratoire de Math\u00e9matiques de Bretagne Atlantique","ror":"https://ror.org/02ght4n58","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I2802204017","https://openalex.org/I4210119023","https://openalex.org/I4210141950","https://openalex.org/I4405260085"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"J. Froment","raw_affiliation_strings":["LMAM, Universit\u00e9 de Bretagne Sud, Vannes, France","Laboratoire de Math\u00e9matiques de Bretagne Atlantique"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LMAM, Universit\u00e9 de Bretagne Sud, Vannes, France","institution_ids":["https://openalex.org/I2802204017"]},{"raw_affiliation_string":"Laboratoire de Math\u00e9matiques de Bretagne Atlantique","institution_ids":["https://openalex.org/I4210119023"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3812,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.82951241,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"3","issue":null,"first_page":"iii","last_page":"221"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9997000098228455,"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/T10688","display_name":"Image and Signal Denoising Methods","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/T11165","display_name":"Image and Video Quality Assessment","score":0.9994000196456909,"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/deblocking-filter","display_name":"Deblocking filter","score":0.8417237997055054},{"id":"https://openalex.org/keywords/jpeg","display_name":"JPEG","score":0.8177065849304199},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.7151085734367371},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.6729786396026611},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6424962282180786},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.6068832278251648},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.5853307843208313},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5381963849067688},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5222569108009338},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.49325674772262573},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4586617350578308},{"id":"https://openalex.org/keywords/arithmetic-coding","display_name":"Arithmetic coding","score":0.4555758535861969},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3886309564113617},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.38521385192871094},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3785914480686188},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30538490414619446},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19654986262321472},{"id":"https://openalex.org/keywords/context-adaptive-binary-arithmetic-coding","display_name":"Context-adaptive binary arithmetic coding","score":0.13976451754570007},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06889432668685913}],"concepts":[{"id":"https://openalex.org/C143184774","wikidata":"https://www.wikidata.org/wiki/Q3020846","display_name":"Deblocking filter","level":2,"score":0.8417237997055054},{"id":"https://openalex.org/C198751489","wikidata":"https://www.wikidata.org/wiki/Q2195","display_name":"JPEG","level":3,"score":0.8177065849304199},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.7151085734367371},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6729786396026611},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6424962282180786},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.6068832278251648},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.5853307843208313},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5381963849067688},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5222569108009338},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.49325674772262573},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4586617350578308},{"id":"https://openalex.org/C153338461","wikidata":"https://www.wikidata.org/wiki/Q2651","display_name":"Arithmetic coding","level":4,"score":0.4555758535861969},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3886309564113617},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.38521385192871094},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3785914480686188},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30538490414619446},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19654986262321472},{"id":"https://openalex.org/C175732694","wikidata":"https://www.wikidata.org/wiki/Q1128713","display_name":"Context-adaptive binary arithmetic coding","level":3,"score":0.13976451754570007},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06889432668685913},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icassp.2004.1326521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.80.6329","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.80.6329","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://web.univ-ubs.fr/lmam/froment/publis/0401-article.pdf","raw_type":"text"},{"id":"pmh:oai:HAL:hal-00712147v1","is_oa":false,"landing_page_url":"https://hal.science/hal-00712147","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Int. Conference on Acoustic, Speech and Signal Processing, 2004, Canada","raw_type":"Conference papers"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W239669019","https://openalex.org/W254429517","https://openalex.org/W1571378769","https://openalex.org/W2018942646","https://openalex.org/W2103559027","https://openalex.org/W2117780481","https://openalex.org/W2133441707","https://openalex.org/W2140744539","https://openalex.org/W2141620200","https://openalex.org/W2142489055","https://openalex.org/W6609266965","https://openalex.org/W6680891918"],"related_works":["https://openalex.org/W2548824516","https://openalex.org/W1966775699","https://openalex.org/W1597187555","https://openalex.org/W2614249221","https://openalex.org/W2997133669","https://openalex.org/W3090149108","https://openalex.org/W2108294500","https://openalex.org/W1975188435","https://openalex.org/W1830945637","https://openalex.org/W2536414725"],"abstract_inverted_index":{"Coding":[0],"systems":[1],"based":[2],"on":[3],"block":[4],"DCT,":[5],"such":[6],"as":[7],"the":[8,46],"JPEG":[9],"standard,":[10],"are":[11],"known":[12],"to":[13,23],"produce":[14],"blocking":[15],"and":[16,30,56],"Gibbs":[17],"effects.":[18],"We":[19],"propose":[20],"a":[21,39],"method":[22],"remove":[24],"these":[25],"artifacts":[26],"without":[27,31],"smoothing":[28],"images":[29],"loosing":[32],"their":[33],"perceptual":[34],"features.":[35],"It":[36],"consists":[37],"of":[38,48],"weighted":[40],"total":[41],"variation":[42],"minimization":[43],"constrained":[44],"by":[45],"knowledge":[47],"quantization":[49],"intervals.":[50],"A":[51],"fast":[52],"algorithm":[53],"is":[54],"proposed":[55],"experiments":[57],"suggest":[58],"better":[59],"performance":[60],"than":[61],"state-of-the-art":[62],"deblocking":[63],"algorithms.":[64]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}