{"id":"https://openalex.org/W2148556097","doi":"https://doi.org/10.1109/icassp.2011.5946574","title":"Directional Color Filter Array interpolation based on multiscale color gradients","display_name":"Directional Color Filter Array interpolation based on multiscale color gradients","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2148556097","doi":"https://doi.org/10.1109/icassp.2011.5946574","mag":"2148556097"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2011.5946574","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5946574","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5082303111","display_name":"Ibrahim Pekkucuksen","orcid":null},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ibrahim Pekkucuksen","raw_affiliation_strings":["Center of Signal and Image Processing, Georgia Institute of Technology, Atlanta, GA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Signal and Image Processing, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083265370","display_name":"Y. Altunbasak","orcid":null},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yucel Altunbasak","raw_affiliation_strings":["Center of Signal and Image Processing, Georgia Institute of Technology, Atlanta, GA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Signal and Image Processing, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I130701444"],"apc_list":null,"apc_paid":null,"fwci":0.2378,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51121809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"6822","issue":null,"first_page":"997","last_page":"1000"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","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/T10688","display_name":"Image and Signal Denoising Methods","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":0.9990000128746033,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9987999796867371,"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/demosaicing","display_name":"Demosaicing","score":0.950106143951416},{"id":"https://openalex.org/keywords/color-filter-array","display_name":"Color filter array","score":0.8667408227920532},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7299578189849854},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6959246397018433},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.6768863201141357},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5993688106536865},{"id":"https://openalex.org/keywords/bayer-filter","display_name":"Bayer filter","score":0.5890357494354248},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5083739161491394},{"id":"https://openalex.org/keywords/color-gel","display_name":"Color gel","score":0.5046623945236206},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4625508189201355},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.44420120120048523},{"id":"https://openalex.org/keywords/color-image","display_name":"Color image","score":0.4425974488258362},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.433440625667572},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.27512326836586},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.20548704266548157},{"id":"https://openalex.org/keywords/layer","display_name":"Layer (electronics)","score":0.07505258917808533},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.05986770987510681}],"concepts":[{"id":"https://openalex.org/C27624317","wikidata":"https://www.wikidata.org/wiki/Q263499","display_name":"Demosaicing","level":5,"score":0.950106143951416},{"id":"https://openalex.org/C177299597","wikidata":"https://www.wikidata.org/wiki/Q2468214","display_name":"Color filter array","level":5,"score":0.8667408227920532},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7299578189849854},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6959246397018433},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.6768863201141357},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5993688106536865},{"id":"https://openalex.org/C5622133","wikidata":"https://www.wikidata.org/wiki/Q812133","display_name":"Bayer filter","level":5,"score":0.5890357494354248},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5083739161491394},{"id":"https://openalex.org/C142771000","wikidata":"https://www.wikidata.org/wiki/Q1435398","display_name":"Color gel","level":4,"score":0.5046623945236206},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4625508189201355},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.44420120120048523},{"id":"https://openalex.org/C142616399","wikidata":"https://www.wikidata.org/wiki/Q5148604","display_name":"Color image","level":4,"score":0.4425974488258362},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.433440625667572},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.27512326836586},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.20548704266548157},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.07505258917808533},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.05986770987510681},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C87359718","wikidata":"https://www.wikidata.org/wiki/Q1271916","display_name":"Thin-film transistor","level":3,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2011.5946574","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5946574","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W96697480","https://openalex.org/W1971114016","https://openalex.org/W2022007237","https://openalex.org/W2035192779","https://openalex.org/W2082136663","https://openalex.org/W2105156560","https://openalex.org/W2117396329","https://openalex.org/W2152178471","https://openalex.org/W2164224649","https://openalex.org/W2168881191","https://openalex.org/W6659304788"],"related_works":["https://openalex.org/W2163968526","https://openalex.org/W2089632803","https://openalex.org/W1574099457","https://openalex.org/W2036531120","https://openalex.org/W2104935269","https://openalex.org/W2807301514","https://openalex.org/W1884483970","https://openalex.org/W2320161696","https://openalex.org/W1993220090","https://openalex.org/W2110839008"],"abstract_inverted_index":{"Single":[0],"sensor":[1],"digital":[2],"cameras":[3],"capture":[4],"one":[5],"color":[6,15,26,54,59],"value":[7],"for":[8],"every":[9],"pixel":[10],"location.":[11],"The":[12,56,91],"remaining":[13],"two":[14],"channel":[16,85],"values":[17],"need":[18],"to":[19,22,44,66,82,96],"be":[20],"estimated":[21],"obtain":[23],"a":[24,41],"complete":[25],"image.":[27],"This":[28],"process":[29],"is":[30,64,94,100],"called":[31],"demosaicing":[32],"or":[33],"Color":[34],"Filter":[35],"Array":[36],"(CFA)":[37],"interpolation.":[38],"We":[39,74],"propose":[40],"directional":[42],"approach":[43],"the":[45,83],"CFA":[46],"interpolation":[47,86,117],"problem":[48],"that":[49,110],"makes":[50],"use":[51],"of":[52],"multiscale":[53],"gradients.":[55],"relationship":[57],"between":[58],"gradients":[60],"on":[61,88,106],"different":[62],"scales":[63],"used":[65],"generate":[67],"signals":[68],"in":[69],"vertical":[70],"and":[71,102,115],"horizontal":[72],"directions.":[73],"determine":[75],"how":[76],"much":[77],"each":[78],"direction":[79],"should":[80],"contribute":[81],"green":[84],"based":[87],"these":[89],"signals.":[90],"proposed":[92],"method":[93],"easy":[95],"implement":[97],"since":[98],"it":[99,111],"noniterative":[101],"threshold":[103],"free.":[104],"Experiments":[105],"test":[107],"images":[108],"show":[109],"offers":[112],"superior":[113],"objective":[114],"subjective":[116],"quality.":[118]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}