{"id":"https://openalex.org/W1966159859","doi":"https://doi.org/10.1109/vcip.2012.6410843","title":"An adaptive covariance-based edge diffusion image enlargement method","display_name":"An adaptive covariance-based edge diffusion image enlargement method","publication_year":2012,"publication_date":"2012-11-01","ids":{"openalex":"https://openalex.org/W1966159859","doi":"https://doi.org/10.1109/vcip.2012.6410843","mag":"1966159859"},"language":"en","primary_location":{"id":"doi:10.1109/vcip.2012.6410843","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vcip.2012.6410843","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Visual Communications and Image 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/A5103120972","display_name":"Tao Fan","orcid":"https://orcid.org/0000-0001-9081-8233"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tao Fan","raw_affiliation_strings":["Shanghai University, School of Communication and Information Engineering, Shanghai, China","Shanghai University, School of Communication and Information Engineering Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]},{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100299200","display_name":"Haiwu Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiwu Zhao","raw_affiliation_strings":["Shanghai University, School of Communication and Information Engineering, Shanghai, China","Shanghai University, School of Communication and Information Engineering Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]},{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110449519","display_name":"Guozhong Wang","orcid":"https://orcid.org/0000-0002-2900-3577"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guozhong Wang","raw_affiliation_strings":["Shanghai University, School of Communication and Information Engineering, Shanghai, China","Shanghai University, School of Communication and Information Engineering Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]},{"raw_affiliation_string":"Shanghai University, School of Communication and Information Engineering Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100689468","display_name":"Jianwen Chen","orcid":"https://orcid.org/0000-0002-6436-6568"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jianwen Chen","raw_affiliation_strings":["University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","institution_ids":["https://openalex.org/I161318765"]},{"raw_affiliation_string":"University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035609529","display_name":"Feng Xu","orcid":"https://orcid.org/0000-0002-0581-9213"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Feng Xu","raw_affiliation_strings":["University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","institution_ids":["https://openalex.org/I161318765"]},{"raw_affiliation_string":"University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032781209","display_name":"John Villasenor","orcid":null},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John Villasenor","raw_affiliation_strings":["University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles Department Electrical Engineering, Los Angeless, CA, USA","institution_ids":["https://openalex.org/I161318765"]},{"raw_affiliation_string":"University of California, Los Angeles, Department Electrical Engineering, Los Angeless, CA, 90095, USA","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103120972"],"corresponding_institution_ids":["https://openalex.org/I113940042"],"apc_list":null,"apc_paid":null,"fwci":0.2785,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.54098982,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.996999979019165,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9556999802589417,"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/interpolation","display_name":"Interpolation (computer graphics)","score":0.6834308505058289},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.6830294132232666},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6546198129653931},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6188452243804932},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5243815779685974},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46487027406692505},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4612712860107422},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.45402342081069946},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.4234703779220581},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40794458985328674},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3423709571361542},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.31561875343322754},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3031937777996063},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06703031063079834}],"concepts":[{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.6834308505058289},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.6830294132232666},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6546198129653931},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6188452243804932},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5243815779685974},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46487027406692505},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4612712860107422},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.45402342081069946},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.4234703779220581},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40794458985328674},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3423709571361542},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.31561875343322754},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3031937777996063},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06703031063079834}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vcip.2012.6410843","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vcip.2012.6410843","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Visual Communications and Image Processing","raw_type":"proceedings-article"}],"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/W1518102291","https://openalex.org/W1969768229","https://openalex.org/W1974973438","https://openalex.org/W1995258445","https://openalex.org/W1999821839","https://openalex.org/W2058097301","https://openalex.org/W2068699225","https://openalex.org/W2103346247","https://openalex.org/W2115755118","https://openalex.org/W2117709736","https://openalex.org/W2156448784","https://openalex.org/W2163480287"],"related_works":["https://openalex.org/W2788344745","https://openalex.org/W2062336688","https://openalex.org/W2910677864","https://openalex.org/W2046078371","https://openalex.org/W2383820648","https://openalex.org/W4245445763","https://openalex.org/W3162209258","https://openalex.org/W3093584180","https://openalex.org/W17460865","https://openalex.org/W2372578044"],"abstract_inverted_index":{"We":[0,64],"discuss":[1],"image":[2,72],"or":[3,18],"video":[4],"enlargement":[5,13,73],"methods":[6],"aimed":[7],"at":[8],"computationally":[9],"constrained":[10],"environments.":[11],"Traditional":[12],"algorithms":[14,48],"such":[15,37],"as":[16,38,133,135],"linear":[17],"cubic":[19],"interpolation":[20,87],"have":[21,49],"been":[22,50],"applied":[23],"in":[24,128],"many":[25],"applications.":[26],"However":[27],"the":[28,89,121],"performance":[29,79],"of":[30,94,130],"these":[31,54],"approaches":[32],"is":[33],"limited":[34],"by":[35],"artifacts":[36],"blurring":[39],"and":[40,46,80,111],"jagged":[41],"edges.":[42],"More":[43],"sophisticated":[44],"iterative":[45],"learning-based":[47],"proposed":[51,90,122],"to":[52,106,114],"address":[53],"issues,":[55],"but":[56],"they":[57],"typically":[58],"involve":[59],"very":[60],"high":[61],"computational":[62],"complexity.":[63,82],"present":[65],"an":[66],"adaptive":[67],"covariance-based":[68],"edge":[69,112],"diffusion":[70,113],"(ACED)":[71],"method":[74,91,123],"that":[75,120],"offers":[76],"both":[77,127],"good":[78],"low":[81],"Different":[83],"from":[84],"other":[85],"edge-directed":[86,97],"algorithms,":[88],"uses":[92],"combination":[93],"a":[95],"novel":[96],"judgment":[98],"which":[99],"can":[100],"choose":[101],"different":[102],"spread":[103],"templates":[104],"adaptively":[105],"estimate":[107],"local":[108],"covariance":[109],"coefficients":[110],"reduce":[115],"artifacts.":[116],"Experimental":[117],"results":[118],"show":[119],"gives":[124],"performs":[125],"well":[126,134],"terms":[129],"subjective":[131],"quality":[132],"objective":[136],"measures.":[137]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}