{"id":"https://openalex.org/W2057203222","doi":"https://doi.org/10.1145/2508363.2508403","title":"Structure-preserving image smoothing via region covariances","display_name":"Structure-preserving image smoothing via region covariances","publication_year":2013,"publication_date":"2013-11-01","ids":{"openalex":"https://openalex.org/W2057203222","doi":"https://doi.org/10.1145/2508363.2508403","mag":"2057203222"},"language":"en","primary_location":{"id":"doi:10.1145/2508363.2508403","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2508363.2508403","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-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/A5039367341","display_name":"Levent Karacan","orcid":"https://orcid.org/0000-0003-2764-5258"},"institutions":[{"id":"https://openalex.org/I66514158","display_name":"Hacettepe University","ror":"https://ror.org/04kwvgz42","country_code":"TR","type":"education","lineage":["https://openalex.org/I66514158"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Levent Karacan","raw_affiliation_strings":["Hacettepe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hacettepe University","institution_ids":["https://openalex.org/I66514158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074809120","display_name":"Erkut Erdem","orcid":"https://orcid.org/0000-0002-6744-8614"},"institutions":[{"id":"https://openalex.org/I66514158","display_name":"Hacettepe University","ror":"https://ror.org/04kwvgz42","country_code":"TR","type":"education","lineage":["https://openalex.org/I66514158"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Erkut Erdem","raw_affiliation_strings":["Hacettepe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hacettepe University","institution_ids":["https://openalex.org/I66514158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000080119","display_name":"Aykut Erdem","orcid":"https://orcid.org/0000-0002-6280-8422"},"institutions":[{"id":"https://openalex.org/I66514158","display_name":"Hacettepe University","ror":"https://ror.org/04kwvgz42","country_code":"TR","type":"education","lineage":["https://openalex.org/I66514158"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Aykut Erdem","raw_affiliation_strings":["Hacettepe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hacettepe University","institution_ids":["https://openalex.org/I66514158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I66514158"],"apc_list":null,"apc_paid":null,"fwci":16.0799,"has_fulltext":false,"cited_by_count":214,"citation_normalized_percentile":{"value":0.99282632,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"32","issue":"6","first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement 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"}},"topics":[{"id":"https://openalex.org/T11019","display_name":"Image Enhancement 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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9990000128746033,"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/smoothing","display_name":"Smoothing","score":0.7989746332168579},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.6375523805618286},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6040143966674805},{"id":"https://openalex.org/keywords/image-editing","display_name":"Image editing","score":0.6011982560157776},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5718998908996582},{"id":"https://openalex.org/keywords/image-texture","display_name":"Image texture","score":0.5177083015441895},{"id":"https://openalex.org/keywords/texture","display_name":"Texture (cosmology)","score":0.5155970454216003},{"id":"https://openalex.org/keywords/abstraction","display_name":"Abstraction","score":0.5043133497238159},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.48030394315719604},{"id":"https://openalex.org/keywords/texture-synthesis","display_name":"Texture synthesis","score":0.43815895915031433},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4304797947406769},{"id":"https://openalex.org/keywords/texture-filtering","display_name":"Texture filtering","score":0.42622947692871094},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4145844876766205},{"id":"https://openalex.org/keywords/structure-tensor","display_name":"Structure tensor","score":0.41111019253730774},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3939201831817627},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.3292413353919983},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3267825245857239},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07652845978736877}],"concepts":[{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.7989746332168579},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.6375523805618286},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6040143966674805},{"id":"https://openalex.org/C2776674983","wikidata":"https://www.wikidata.org/wiki/Q545981","display_name":"Image editing","level":3,"score":0.6011982560157776},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5718998908996582},{"id":"https://openalex.org/C63099799","wikidata":"https://www.wikidata.org/wiki/Q17147001","display_name":"Image texture","level":4,"score":0.5177083015441895},{"id":"https://openalex.org/C2781195486","wikidata":"https://www.wikidata.org/wiki/Q289436","display_name":"Texture (cosmology)","level":3,"score":0.5155970454216003},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.5043133497238159},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.48030394315719604},{"id":"https://openalex.org/C50494287","wikidata":"https://www.wikidata.org/wiki/Q658467","display_name":"Texture synthesis","level":5,"score":0.43815895915031433},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4304797947406769},{"id":"https://openalex.org/C144743038","wikidata":"https://www.wikidata.org/wiki/Q3267765","display_name":"Texture filtering","level":5,"score":0.42622947692871094},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4145844876766205},{"id":"https://openalex.org/C113315163","wikidata":"https://www.wikidata.org/wiki/Q7625159","display_name":"Structure tensor","level":3,"score":0.41111019253730774},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3939201831817627},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3292413353919983},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3267825245857239},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07652845978736877},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2508363.2508403","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2508363.2508403","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.499.8069","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.499.8069","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://web.cs.hacettepe.edu.tr/~aykut/papers/siggraphasia13.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.699999988079071,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G3560015230","display_name":null,"funder_award_id":"1.12E+148","funder_id":"https://openalex.org/F4320322626","funder_display_name":"T\u00fcrkiye Bilimsel ve Teknolojik Ara\u015ft\u0131rma Kurumu"}],"funders":[{"id":"https://openalex.org/F4320322626","display_name":"T\u00fcrkiye Bilimsel ve Teknolojik Ara\u015ft\u0131rma Kurumu","ror":"https://ror.org/04w9kkr77"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W207373900","https://openalex.org/W1549083695","https://openalex.org/W1978760946","https://openalex.org/W1985949187","https://openalex.org/W1990336127","https://openalex.org/W1994456831","https://openalex.org/W1997701791","https://openalex.org/W2009548700","https://openalex.org/W2018377917","https://openalex.org/W2040334833","https://openalex.org/W2040378863","https://openalex.org/W2061052400","https://openalex.org/W2078718577","https://openalex.org/W2097073572","https://openalex.org/W2099244020","https://openalex.org/W2103504761","https://openalex.org/W2103559027","https://openalex.org/W2116013899","https://openalex.org/W2118837987","https://openalex.org/W2123597619","https://openalex.org/W2128339594","https://openalex.org/W2133155955","https://openalex.org/W2141957843","https://openalex.org/W2146520413","https://openalex.org/W2146578165","https://openalex.org/W2150134853","https://openalex.org/W2156053375","https://openalex.org/W2166334548","https://openalex.org/W2244684328","https://openalex.org/W2996868574","https://openalex.org/W2998514558","https://openalex.org/W3136413417","https://openalex.org/W3137241515","https://openalex.org/W3137491246","https://openalex.org/W3138446083","https://openalex.org/W4254515627"],"related_works":["https://openalex.org/W2743128629","https://openalex.org/W1983661653","https://openalex.org/W2147616632","https://openalex.org/W2359713774","https://openalex.org/W4200432310","https://openalex.org/W2100262413","https://openalex.org/W1972291170","https://openalex.org/W4213053721","https://openalex.org/W4232310362","https://openalex.org/W2145204365"],"abstract_inverted_index":{"Recent":[0],"years":[1],"have":[2,12,114],"witnessed":[3],"the":[4,21,77,117,128,142],"emergence":[5],"of":[6,23,72,82,144],"new":[7,14,18],"image":[8,33,64,74,123,149,156,162],"smoothing":[9,65],"techniques":[10],"which":[11,67],"provided":[13],"insights":[15],"and":[16,37,97,100,131,135,151,159,166],"raised":[17],"questions":[19],"about":[20],"nature":[22],"this":[24,56],"well-studied":[25],"problem.":[26],"Specifically,":[27],"these":[28],"models":[29],"separate":[30],"a":[31,87],"given":[32],"into":[34],"its":[35],"structure":[36,96,107],"texture":[38,98,158],"layers":[39],"by":[40],"utilizing":[41],"non-gradient":[42],"based":[43],"definitions":[44],"for":[45,106],"edges":[46,52,134],"or":[47],"special":[48],"measures":[49],"that":[50,116],"distinguish":[51],"from":[53,109],"oscillations.":[54],"In":[55],"study,":[57],"we":[58,139],"propose":[59],"an":[60],"alternative":[61],"yet":[62],"simple":[63,73],"approach":[66,103,119,146],"depends":[68],"on":[69,147],"covariance":[70],"matrices":[71],"features,":[75],"aka":[76],"region":[78],"covariances.":[79],"The":[80],"use":[81],"second":[83],"order":[84],"statistics":[85],"as":[86,125,155],"patch":[88],"descriptor":[89],"allows":[90],"us":[91],"to":[92,121,127],"implicitly":[93],"capture":[94],"local":[95],"information":[99],"makes":[101],"our":[102,145],"particularly":[104],"effective":[105],"extraction":[108],"texture.":[110],"Our":[111],"experimental":[112],"results":[113],"shown":[115],"proposed":[118],"leads":[120],"better":[122],"decompositions":[124],"compared":[126],"state-of-the-art":[129],"methods":[130],"preserves":[132],"prominent":[133],"shading":[136],"well.":[137],"Moreover,":[138],"also":[140],"demonstrate":[141],"applicability":[143],"some":[148],"editing":[150],"manipulation":[152],"tasks":[153],"such":[154],"abstraction,":[157],"detail":[160],"enhancement,":[161],"composition,":[163],"inverse":[164],"halftoning":[165],"seam":[167],"carving.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":14},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":29},{"year":2018,"cited_by_count":25},{"year":2017,"cited_by_count":27},{"year":2016,"cited_by_count":21},{"year":2015,"cited_by_count":22},{"year":2014,"cited_by_count":7}],"updated_date":"2026-07-17T09:13:05.818461","created_date":"2025-10-10T00:00:00"}
