{"id":"https://openalex.org/W1977672498","doi":"https://doi.org/10.1145/1667146.1667184","title":"An effective grayscale conversion with applications to image enhancement","display_name":"An effective grayscale conversion with applications to image enhancement","publication_year":2009,"publication_date":"2009-12-10","ids":{"openalex":"https://openalex.org/W1977672498","doi":"https://doi.org/10.1145/1667146.1667184","mag":"1977672498"},"language":"en","primary_location":{"id":"doi:10.1145/1667146.1667184","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1667146.1667184","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH ASIA 2009 Sketches","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/A5089345415","display_name":"Codruta O. Ancuti","orcid":"https://orcid.org/0000-0001-8782-4341"},"institutions":[{"id":"https://openalex.org/I878454856","display_name":"Hasselt University","ror":"https://ror.org/04nbhqj75","country_code":"BE","type":"education","lineage":["https://openalex.org/I878454856"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Codruta O. Ancuti","raw_affiliation_strings":["Hasselt University, Belgium","Hasselt University; Belgium"],"affiliations":[{"raw_affiliation_string":"Hasselt University, Belgium","institution_ids":["https://openalex.org/I878454856"]},{"raw_affiliation_string":"Hasselt University; Belgium","institution_ids":["https://openalex.org/I878454856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103269159","display_name":"Cosmin Ancu\u021bi","orcid":"https://orcid.org/0000-0002-2151-804X"},"institutions":[{"id":"https://openalex.org/I878454856","display_name":"Hasselt University","ror":"https://ror.org/04nbhqj75","country_code":"BE","type":"education","lineage":["https://openalex.org/I878454856"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Cosmin Ancuti","raw_affiliation_strings":["Hasselt University, Belgium","Hasselt University; Belgium"],"affiliations":[{"raw_affiliation_string":"Hasselt University, Belgium","institution_ids":["https://openalex.org/I878454856"]},{"raw_affiliation_string":"Hasselt University; Belgium","institution_ids":["https://openalex.org/I878454856"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113453934","display_name":"Philippe Bekaert","orcid":null},"institutions":[{"id":"https://openalex.org/I878454856","display_name":"Hasselt University","ror":"https://ror.org/04nbhqj75","country_code":"BE","type":"education","lineage":["https://openalex.org/I878454856"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Philippe Bekaert","raw_affiliation_strings":["Hasselt University, Belgium","Hasselt University; Belgium"],"affiliations":[{"raw_affiliation_string":"Hasselt University, Belgium","institution_ids":["https://openalex.org/I878454856"]},{"raw_affiliation_string":"Hasselt University; Belgium","institution_ids":["https://openalex.org/I878454856"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089345415"],"corresponding_institution_ids":["https://openalex.org/I878454856"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06922574,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":0.9994000196456909,"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":0.9994000196456909,"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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.9993000030517578,"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/T11666","display_name":"Color Science and Applications","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/grayscale","display_name":"Grayscale","score":0.8405032157897949},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7606539726257324},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7475876808166504},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6864556670188904},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.6061633825302124},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.6016258001327515},{"id":"https://openalex.org/keywords/brightness","display_name":"Brightness","score":0.5892159938812256},{"id":"https://openalex.org/keywords/luminance","display_name":"Luminance","score":0.5063649415969849},{"id":"https://openalex.org/keywords/color-image","display_name":"Color image","score":0.4931294620037079},{"id":"https://openalex.org/keywords/human-visual-system-model","display_name":"Human visual system model","score":0.46749699115753174},{"id":"https://openalex.org/keywords/color-space","display_name":"Color space","score":0.43214038014411926},{"id":"https://openalex.org/keywords/perception","display_name":"Perception","score":0.425106406211853},{"id":"https://openalex.org/keywords/color-management","display_name":"Color management","score":0.4127899706363678},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3001198172569275},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.2727324068546295},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20196396112442017},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11720526218414307}],"concepts":[{"id":"https://openalex.org/C78201319","wikidata":"https://www.wikidata.org/wiki/Q685727","display_name":"Grayscale","level":3,"score":0.8405032157897949},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7606539726257324},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7475876808166504},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6864556670188904},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.6061633825302124},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.6016258001327515},{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.5892159938812256},{"id":"https://openalex.org/C73313986","wikidata":"https://www.wikidata.org/wiki/Q355386","display_name":"Luminance","level":2,"score":0.5063649415969849},{"id":"https://openalex.org/C142616399","wikidata":"https://www.wikidata.org/wiki/Q5148604","display_name":"Color image","level":4,"score":0.4931294620037079},{"id":"https://openalex.org/C160086991","wikidata":"https://www.wikidata.org/wiki/Q5939193","display_name":"Human visual system model","level":3,"score":0.46749699115753174},{"id":"https://openalex.org/C2961294","wikidata":"https://www.wikidata.org/wiki/Q166863","display_name":"Color space","level":3,"score":0.43214038014411926},{"id":"https://openalex.org/C26760741","wikidata":"https://www.wikidata.org/wiki/Q160402","display_name":"Perception","level":2,"score":0.425106406211853},{"id":"https://openalex.org/C2778489266","wikidata":"https://www.wikidata.org/wiki/Q166760","display_name":"Color management","level":4,"score":0.4127899706363678},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3001198172569275},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.2727324068546295},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20196396112442017},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11720526218414307},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1667146.1667184","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1667146.1667184","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH ASIA 2009 Sketches","raw_type":"proceedings-article"},{"id":"pmh:oai:documentserver.uhasselt.be:1942/26694","is_oa":false,"landing_page_url":"http://hdl.handle.net/1942/26694","pdf_url":null,"source":{"id":"https://openalex.org/S4306401926","display_name":"Document Server@UHasselt (UHasselt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I878454856","host_organization_name":"Hasselt University","host_organization_lineage":["https://openalex.org/I878454856"],"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/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1992110876","https://openalex.org/W2005137440","https://openalex.org/W2085020374","https://openalex.org/W2096513167","https://openalex.org/W2128272608"],"related_works":["https://openalex.org/W2363117086","https://openalex.org/W2077380298","https://openalex.org/W2005953037","https://openalex.org/W2360465918","https://openalex.org/W3150937380","https://openalex.org/W2384488091","https://openalex.org/W2016343741","https://openalex.org/W2007198935","https://openalex.org/W2562072950","https://openalex.org/W2379608419"],"abstract_inverted_index":{"Recent":[0],"efforts":[1],"to":[2,113,130],"accurately":[3],"integrate":[4],"properties":[5],"of":[6,29,42,72,120],"human":[7,35],"visual":[8,36],"perception":[9],"have":[10],"fueled":[11],"an":[12],"impressive":[13],"improvement":[14],"not":[15,94],"only":[16],"in":[17,22,102,115,137,158],"digital":[18],"photography":[19],"but":[20],"also":[21],"color":[23,77,109],"manipulation":[24],"tools.":[25],"Color":[26],"is":[27,93,144,155],"one":[28],"the":[30,40,86,108,118,121,135,138],"main":[31],"attributes":[32],"that":[33,151],"influences":[34],"system,":[37],"being":[38,111],"ultimately":[39],"result":[41],"our":[43,148],"experience":[44],"and":[45,63,90],"perception.":[46],"However,":[47],"several":[48],"important":[49,157],"applications":[50],"such":[51],"as":[52],"substitution":[53],"systems":[54],"for":[55],"visually":[56],"impaired":[57],"people,":[58],"computerized":[59],"tomography,":[60],"printed":[61],"textbooks":[62],"aesthetical":[64],"stylization":[65],"still":[66,84],"require":[67],"a":[68,80,95,145],"reliable":[69],"grayscale":[70,132],"representation":[71],"images.":[73],"Mapping":[74],"three":[75],"dimensional":[76],"information":[78],"onto":[79],"single":[81],"dimension":[82],"while":[83],"preserving":[85],"original":[87,122],"appearance,":[88],"contrast":[89],"finest":[91],"details":[92],"trivial":[96],"task.":[97],"Standard":[98],"monochromatic":[99],"transformations,":[100],"found":[101],"commercial":[103],"image":[104,140,159],"editing":[105],"software,":[106],"neglect":[107],"distribution,":[110],"unable":[112],"conserve":[114],"many":[116],"cases":[117],"discriminability":[119],"chromatic":[123],"contrast.":[124],"Consequently,":[125],"isoluminant":[126],"colors":[127],"are":[128],"mapped":[129],"similar":[131],"levels":[133],"increasing":[134],"ambiguity":[136],"decolorized":[139],"version.":[141],"Although":[142],"luminance":[143],"definite":[146],"value,":[147],"subjective":[149],"interpretation":[150],"measures":[152],"apparent":[153],"brightness":[154],"very":[156],"decolorization":[160],"process.":[161]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}