{"id":"https://openalex.org/W2098934356","doi":"https://doi.org/10.1109/tcsvt.2002.1003468","title":"Adaptive anisotropic filtering (AAF) for real-time visual enhancement of MPEG-coded video sequences","display_name":"Adaptive anisotropic filtering (AAF) for real-time visual enhancement of MPEG-coded video sequences","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W2098934356","doi":"https://doi.org/10.1109/tcsvt.2002.1003468","mag":"2098934356"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2002.1003468","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2002.1003468","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 for Video Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/11572/358349","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004550036","display_name":"Luigi Atzori","orcid":"https://orcid.org/0000-0003-1350-3574"},"institutions":[{"id":"https://openalex.org/I172446870","display_name":"University of Cagliari","ror":"https://ror.org/003109y17","country_code":"IT","type":"education","lineage":["https://openalex.org/I172446870"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"L. Atzori","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy","institution_ids":["https://openalex.org/I172446870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068660181","display_name":"Francesco G. B. De Natale","orcid":"https://orcid.org/0000-0003-2566-6995"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"F.G.B. De Natale","raw_affiliation_strings":["Department of Information and Communication Technologies (DIT), University of Trento, Trento, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Technologies (DIT), University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076657886","display_name":"Fabrizio Granelli","orcid":"https://orcid.org/0000-0002-2439-277X"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"F. Granelli","raw_affiliation_strings":["Department of Information and Communication Technologies (DIT), University of Trento, Trento, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Technologies (DIT), University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5004550036"],"corresponding_institution_ids":["https://openalex.org/I172446870"],"apc_list":null,"apc_paid":null,"fwci":0.6984,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.7004083,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"12","issue":"5","first_page":"285","last_page":"298"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":1.0,"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/T10688","display_name":"Image and Signal Denoising Methods","score":1.0,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998999834060669,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.7661011219024658},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.702109158039093},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6333382725715637},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5763510465621948},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5467414855957031},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5383312702178955},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.5257683396339417},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.4843496084213257},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.48090219497680664},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.46575242280960083},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.45315125584602356},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.42143508791923523},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36271852254867554},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2514110505580902},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.23147204518318176},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.1453138291835785}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.7661011219024658},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.702109158039093},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6333382725715637},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5763510465621948},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5467414855957031},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5383312702178955},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.5257683396339417},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.4843496084213257},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.48090219497680664},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.46575242280960083},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.45315125584602356},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.42143508791923523},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36271852254867554},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2514110505580902},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.23147204518318176},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.1453138291835785},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/tcsvt.2002.1003468","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2002.1003468","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 for Video Technology","raw_type":"journal-article"},{"id":"pmh:oai:eprints.biblio.unitn.it:97","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400311","display_name":"Unitn Eprints Research (Universit\u00e0 Degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Departmental Technical Report"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.648.5701","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.648.5701","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://disi.unitn.it/~granelli/pubs/02-trans-csvt.pdf","raw_type":"text"},{"id":"pmh:oai:iris.unica.it:11584/2053","is_oa":false,"landing_page_url":"http://hdl.handle.net/11584/2053","pdf_url":null,"source":{"id":"https://openalex.org/S4377196293","display_name":"UNICA IRIS Institutional Research Information System (University of Cagliari)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172446870","host_organization_name":"University of Cagliari","host_organization_lineage":["https://openalex.org/I172446870"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:iris.unitn.it:11572/358349","is_oa":true,"landing_page_url":"https://hdl.handle.net/11572/358349","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/other"},{"id":"pmh:oai:iris.unitn.it:11572/72993","is_oa":false,"landing_page_url":"http://hdl.handle.net/11572/72993","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:iris.unitn.it:11572/358349","is_oa":true,"landing_page_url":"https://hdl.handle.net/11572/358349","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/other"},"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W183163953","https://openalex.org/W1614596806","https://openalex.org/W1633843876","https://openalex.org/W1965077907","https://openalex.org/W1981029953","https://openalex.org/W2044775409","https://openalex.org/W2084661252","https://openalex.org/W2087559017","https://openalex.org/W2102173687","https://openalex.org/W2104192236","https://openalex.org/W2108268459","https://openalex.org/W2117780481","https://openalex.org/W2119801942","https://openalex.org/W2124511321","https://openalex.org/W2141620200","https://openalex.org/W2157046481","https://openalex.org/W2164777063","https://openalex.org/W2740373864"],"related_works":["https://openalex.org/W2094583657","https://openalex.org/W1594300462","https://openalex.org/W2158009109","https://openalex.org/W1606460848","https://openalex.org/W1706111048","https://openalex.org/W2115252864","https://openalex.org/W2129927873","https://openalex.org/W2112852877","https://openalex.org/W2772846670","https://openalex.org/W2034796835"],"abstract_inverted_index":{"Current":[0],"standards":[1],"for":[2],"video":[3],"compression":[4],"achieve":[5],"good":[6],"performances":[7],"in":[8,63,113],"terms":[9],"of":[10,16,30,57,60,74,79,88,93,98],"data":[11],"compaction":[12],"and":[13,76,119],"signal-to-noise":[14],"ratio":[15],"the":[17,27,55,106],"decoded":[18,80],"signal.":[19],"Nevertheless,":[20],"there":[21],"are":[22,122],"some":[23],"known":[24],"problems":[25],"concerning":[26],"visual":[28],"quality":[29],"reconstructed":[31],"images,":[32],"which":[33],"can":[34],"be":[35],"partially":[36],"solved":[37],"using":[38],"appropriate":[39],"post-processing":[40],"algorithms.":[41],"The":[42,66],"paper":[43],"proposes":[44],"a":[45,71],"new":[46],"adaptive":[47],"anisotropic":[48],"filter":[49],"(AAF)":[50],"that":[51,105],"aims":[52],"to":[53],"unify":[54],"treatment":[56],"different":[58],"sources":[59],"perceptive":[61],"distortion":[62],"MPEG":[64],"sequences.":[65],"process":[67],"is":[68],"driven":[69],"by":[70],"local":[72],"classification":[73],"blocks":[75],"single":[77],"pixels":[78],"frames,":[81],"taking":[82],"into":[83],"account":[84],"several":[85],"parameters":[86],"(distribution":[87],"DCT":[89,99],"coefficient":[90],"energy,":[91],"presence":[92],"sharp":[94],"variations,":[95],"spatial":[96],"position":[97],"block":[100],"boundaries).":[101],"Experimental":[102],"results":[103],"show":[104],"proposed":[107],"algorithm":[108],"outperforms":[109],"existing":[110],"enhancement":[111],"approaches,":[112],"particular":[114],"when":[115],"constraints":[116],"on":[117],"complexity":[118],"real-time":[120],"processing":[121],"compelling.":[123]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-04T09:04:59.091469","created_date":"2025-10-10T00:00:00"}
