{"id":"https://openalex.org/W1912194039","doi":"https://doi.org/10.1117/1.3600632","title":"Color demosaicking by local directional interpolation and\u00a0nonlocal adaptive thresholding","display_name":"Color demosaicking by local directional interpolation and\u00a0nonlocal adaptive thresholding","publication_year":2011,"publication_date":"2011-04-01","ids":{"openalex":"https://openalex.org/W1912194039","doi":"https://doi.org/10.1117/1.3600632","mag":"1912194039"},"language":"en","primary_location":{"id":"doi:10.1117/1.3600632","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.3600632","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-electronic-imaging/volume-20/issue-2/023016/Color-demosaicking-by-local-directional-interpolation-and-nonlocal-adaptive-thresholding/10.1117/1.3600632.pdf","source":{"id":"https://openalex.org/S158511090","display_name":"Journal of Electronic Imaging","issn_l":"1017-9909","issn":["1017-9909","1560-229X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electronic Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.spiedigitallibrary.org/journals/journal-of-electronic-imaging/volume-20/issue-2/023016/Color-demosaicking-by-local-directional-interpolation-and-nonlocal-adaptive-thresholding/10.1117/1.3600632.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Xiaolin Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I98251732","display_name":"McMaster University","ror":"https://ror.org/02fa3aq29","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]}],"countries":["CA","HK"],"is_corresponding":true,"raw_author_name":"Xiaolin Wu","raw_affiliation_strings":["McMaster Univ. (Canada)","The Hong Kong Polytechnic University,Hong Kong,China"],"affiliations":[{"raw_affiliation_string":"McMaster Univ. (Canada)","institution_ids":["https://openalex.org/I98251732"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University,Hong Kong,China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I14243506","https://openalex.org/I98251732"],"apc_list":null,"apc_paid":null,"fwci":9.9322,"has_fulltext":true,"cited_by_count":527,"citation_normalized_percentile":{"value":0.98573549,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"20","issue":"2","first_page":"023016","last_page":"023016"},"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9991999864578247,"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":0.9988999962806702,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/demosaicing","display_name":"Demosaicing","score":0.8345043659210205},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7878570556640625},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7247411012649536},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6415905952453613},{"id":"https://openalex.org/keywords/color-balance","display_name":"Color balance","score":0.5775567889213562},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.5727619528770447},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5621450543403625},{"id":"https://openalex.org/keywords/color-image","display_name":"Color image","score":0.5567665100097656},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5390514731407166},{"id":"https://openalex.org/keywords/color-correction","display_name":"Color correction","score":0.49616846442222595},{"id":"https://openalex.org/keywords/color-histogram","display_name":"Color histogram","score":0.4496324062347412},{"id":"https://openalex.org/keywords/color-filter-array","display_name":"Color filter array","score":0.4391894042491913},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.4309568405151367},{"id":"https://openalex.org/keywords/rgb-color-model","display_name":"RGB color model","score":0.4195845425128937},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39706867933273315},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3483666777610779},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.24004071950912476},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19246017932891846},{"id":"https://openalex.org/keywords/color-gel","display_name":"Color gel","score":0.1343499720096588}],"concepts":[{"id":"https://openalex.org/C27624317","wikidata":"https://www.wikidata.org/wiki/Q263499","display_name":"Demosaicing","level":5,"score":0.8345043659210205},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7878570556640625},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7247411012649536},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6415905952453613},{"id":"https://openalex.org/C159784718","wikidata":"https://www.wikidata.org/wiki/Q182571","display_name":"Color balance","level":5,"score":0.5775567889213562},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.5727619528770447},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5621450543403625},{"id":"https://openalex.org/C142616399","wikidata":"https://www.wikidata.org/wiki/Q5148604","display_name":"Color image","level":4,"score":0.5567665100097656},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5390514731407166},{"id":"https://openalex.org/C2779495555","wikidata":"https://www.wikidata.org/wiki/Q5148596","display_name":"Color correction","level":3,"score":0.49616846442222595},{"id":"https://openalex.org/C12043971","wikidata":"https://www.wikidata.org/wiki/Q2636542","display_name":"Color histogram","level":5,"score":0.4496324062347412},{"id":"https://openalex.org/C177299597","wikidata":"https://www.wikidata.org/wiki/Q2468214","display_name":"Color filter array","level":5,"score":0.4391894042491913},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.4309568405151367},{"id":"https://openalex.org/C82990744","wikidata":"https://www.wikidata.org/wiki/Q166194","display_name":"RGB color model","level":2,"score":0.4195845425128937},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39706867933273315},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3483666777610779},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.24004071950912476},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19246017932891846},{"id":"https://openalex.org/C142771000","wikidata":"https://www.wikidata.org/wiki/Q1435398","display_name":"Color gel","level":4,"score":0.1343499720096588},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"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/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","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}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1117/1.3600632","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.3600632","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-electronic-imaging/volume-20/issue-2/023016/Color-demosaicking-by-local-directional-interpolation-and-nonlocal-adaptive-thresholding/10.1117/1.3600632.pdf","source":{"id":"https://openalex.org/S158511090","display_name":"Journal of Electronic Imaging","issn_l":"1017-9909","issn":["1017-9909","1560-229X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electronic Imaging","raw_type":"journal-article"},{"id":"pmh:oai:researchrepository.wvu.edu:faculty_publications-1087","is_oa":true,"landing_page_url":"https://researchrepository.wvu.edu/faculty_publications/88","pdf_url":"https://researchrepository.wvu.edu/faculty_publications/88","source":{"id":"https://openalex.org/S4306402612","display_name":"The Research Repository @ WVU (West Virginia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I12097938","host_organization_name":"West Virginia University","host_organization_lineage":["https://openalex.org/I12097938"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Faculty & Staff Scholarship","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.297.9943","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.297.9943","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www4.comp.polyu.edu.hk/~cslzhang/paper/NAT_CDM_JEI.pdf","raw_type":"text"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/6039","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/6039","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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":"Journal/Magazine Article"}],"best_oa_location":{"id":"doi:10.1117/1.3600632","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.3600632","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-electronic-imaging/volume-20/issue-2/023016/Color-demosaicking-by-local-directional-interpolation-and-nonlocal-adaptive-thresholding/10.1117/1.3600632.pdf","source":{"id":"https://openalex.org/S158511090","display_name":"Journal of Electronic Imaging","issn_l":"1017-9909","issn":["1017-9909","1560-229X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electronic Imaging","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322598","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1912194039.pdf","grobid_xml":"https://content.openalex.org/works/W1912194039.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W19793066","https://openalex.org/W96697480","https://openalex.org/W1971269812","https://openalex.org/W1981938423","https://openalex.org/W2017399967","https://openalex.org/W2026102452","https://openalex.org/W2028349405","https://openalex.org/W2038649727","https://openalex.org/W2056370875","https://openalex.org/W2078204800","https://openalex.org/W2082136663","https://openalex.org/W2103559027","https://openalex.org/W2107214962","https://openalex.org/W2108858258","https://openalex.org/W2111154892","https://openalex.org/W2114122776","https://openalex.org/W2117396329","https://openalex.org/W2122752532","https://openalex.org/W2127457591","https://openalex.org/W2128580395","https://openalex.org/W2129638195","https://openalex.org/W2136396015","https://openalex.org/W2136995916","https://openalex.org/W2140573010","https://openalex.org/W2145096794","https://openalex.org/W2146842127","https://openalex.org/W2148255984","https://openalex.org/W2152178471","https://openalex.org/W2152320530","https://openalex.org/W2152891214","https://openalex.org/W2153334393","https://openalex.org/W2153377815","https://openalex.org/W2154332973","https://openalex.org/W2158252006","https://openalex.org/W2160547390","https://openalex.org/W2163168659","https://openalex.org/W2163398148","https://openalex.org/W2164734076","https://openalex.org/W2168881191","https://openalex.org/W2296319761","https://openalex.org/W2296616510","https://openalex.org/W2947000318","https://openalex.org/W4250589301","https://openalex.org/W4250955649"],"related_works":["https://openalex.org/W4382677416","https://openalex.org/W1970611545","https://openalex.org/W2587422540","https://openalex.org/W2781959534","https://openalex.org/W2120853285","https://openalex.org/W2008631044","https://openalex.org/W2978937364","https://openalex.org/W2066732477","https://openalex.org/W2042638450","https://openalex.org/W2048572524"],"abstract_inverted_index":{"Single":[0],"sensor":[1],"digital":[2],"color":[3,20,29,46,53,57,85,96,183,193],"cameras":[4],"capture":[5],"only":[6],"one":[7],"of":[8,37,93,191],"the":[9,27,35,44,77,83,111,118,127,137,142,149,155,162,179],"three":[10],"primary":[11],"colors":[12],"at":[13,148],"each":[14],"pixel":[15,113,156],"and":[16,55,65,100,167,181],"a":[17,94],"process":[18],"called":[19],"demosaicking":[21],"(CDM)":[22],"is":[23,133],"used":[24,129],"to":[25,81,103,110,116,135,145,154,187],"reconstruct":[26],"full":[28],"images.":[30,194],"Most":[31],"CDM":[32,68,175],"algorithms":[33],"assume":[34],"existence":[36],"high":[38,56],"local":[39,84,90,104,119,138,164],"spectral":[40],"redundancy":[41,80],"in":[42,177],"estimating":[43],"missing":[45,95],"samples.":[47],"However,":[48],"for":[49],"images":[50],"with":[51],"sharp":[52],"transitions":[54],"saturation,":[58],"such":[59],"an":[60],"assumption":[61],"may":[62],"be":[63,146],"invalid":[64],"visually":[66],"unpleasant":[67],"errors":[69],"will":[70],"occur.":[71],"In":[72],"this":[73],"paper,":[74],"we":[75],"exploit":[76],"image":[78],"nonlocal":[79,107,130,168],"improve":[82,136],"reproduction":[86],"result.":[87],"First,":[88],"multiple":[89],"directional":[91,165],"estimates":[92],"sample":[97],"are":[98,114],"computed":[99],"fused":[101],"according":[102],"gradients.":[105],"Then,":[106],"pixels":[108],"similar":[109],"estimated":[112],"searched":[115],"enhance":[117],"estimate.":[120,139],"An":[121],"adaptive":[122,169],"thresholding":[123,170],"method":[124,171],"rather":[125],"than":[126],"commonly":[128],"means":[131],"filtering":[132],"proposed":[134,163],"This":[140],"allows":[141],"final":[143],"reconstruction":[144],"performed":[147],"structural":[150],"level":[151],"as":[152],"opposed":[153],"level.":[157],"Experimental":[158],"results":[159],"demonstrate":[160],"that":[161],"interpolation":[166,184],"outperforms":[172],"many":[173],"state-of-the-art":[174],"methods":[176],"reconstructing":[178],"edges":[180],"reducing":[182],"artifacts,":[185],"leading":[186],"higher":[188],"visual":[189],"quality":[190],"reproduced":[192]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":69},{"year":2024,"cited_by_count":65},{"year":2023,"cited_by_count":65},{"year":2022,"cited_by_count":47},{"year":2021,"cited_by_count":46},{"year":2020,"cited_by_count":59},{"year":2019,"cited_by_count":44},{"year":2018,"cited_by_count":35},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":22},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":21},{"year":2013,"cited_by_count":12},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
