{"id":"https://openalex.org/W1026608432","doi":"https://doi.org/10.2352/cic.2009.17.1.art00051","title":"A Unified Approach to Colour2grey and Image Enhancement Through Gradient Field Integration","display_name":"A Unified Approach to Colour2grey and Image Enhancement Through Gradient Field Integration","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W1026608432","doi":"https://doi.org/10.2352/cic.2009.17.1.art00051","mag":"1026608432"},"language":"en","primary_location":{"id":"doi:10.2352/cic.2009.17.1.art00051","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2009.17.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/17/1/art00051","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/17/1/art00051","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080437616","display_name":"Graham D. Finlayson","orcid":"https://orcid.org/0000-0003-4040-0554"},"institutions":[{"id":"https://openalex.org/I1118541","display_name":"University of East Anglia","ror":"https://ror.org/026k5mg93","country_code":"GB","type":"education","lineage":["https://openalex.org/I1118541"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Graham D. Finlayson","raw_affiliation_strings":["University of East Anglia ; Norwich , UK","University of East Anglia, Norwich, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of East Anglia ; Norwich , UK","institution_ids":["https://openalex.org/I1118541"]},{"raw_affiliation_string":"University of East Anglia, Norwich, United Kingdom","institution_ids":["https://openalex.org/I1118541"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090956497","display_name":"Roberto Montagna","orcid":null},"institutions":[{"id":"https://openalex.org/I1118541","display_name":"University of East Anglia","ror":"https://ror.org/026k5mg93","country_code":"GB","type":"education","lineage":["https://openalex.org/I1118541"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Roberto Montagna","raw_affiliation_strings":["University of East Anglia ; Norwich , UK"],"affiliations":[{"raw_affiliation_string":"University of East Anglia ; Norwich , UK","institution_ids":["https://openalex.org/I1118541"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111621582","display_name":"David Connah","orcid":null},"institutions":[{"id":"https://openalex.org/I1118541","display_name":"University of East Anglia","ror":"https://ror.org/026k5mg93","country_code":"GB","type":"education","lineage":["https://openalex.org/I1118541"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David Connah","raw_affiliation_strings":["University of East Anglia ; Norwich , UK","University of East Anglia, Norwich, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of East Anglia ; Norwich , UK","institution_ids":["https://openalex.org/I1118541"]},{"raw_affiliation_string":"University of East Anglia, Norwich, United Kingdom","institution_ids":["https://openalex.org/I1118541"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080437616"],"corresponding_institution_ids":["https://openalex.org/I1118541"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03912194,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"1","first_page":"278","last_page":"283"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":0.9987000226974487,"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":0.9987000226974487,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9894999861717224,"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":0.9836000204086304,"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/grayscale","display_name":"Grayscale","score":0.9452021718025208},{"id":"https://openalex.org/keywords/brightness","display_name":"Brightness","score":0.7406492829322815},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.6007817983627319},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5779571533203125},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5748304724693298},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5745838284492493},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.563617467880249},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.4820002615451813},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4210556447505951},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.41637158393859863},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4080424904823303},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3997807502746582},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20140612125396729},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11555778980255127}],"concepts":[{"id":"https://openalex.org/C78201319","wikidata":"https://www.wikidata.org/wiki/Q685727","display_name":"Grayscale","level":3,"score":0.9452021718025208},{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.7406492829322815},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.6007817983627319},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5779571533203125},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5748304724693298},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5745838284492493},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.563617467880249},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.4820002615451813},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4210556447505951},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.41637158393859863},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4080424904823303},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3997807502746582},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20140612125396729},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11555778980255127},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2352/cic.2009.17.1.art00051","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2009.17.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/17/1/art00051","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"},{"id":"pmh:oai:ueaeprints.uea.ac.uk:21859","is_oa":false,"landing_page_url":"https://ueaeprints.uea.ac.uk/id/eprint/21859/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400384","display_name":"UEA Digital Repository (University of East Anglia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1118541","host_organization_name":"University of East Anglia","host_organization_lineage":["https://openalex.org/I1118541"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":{"id":"doi:10.2352/cic.2009.17.1.art00051","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2009.17.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/17/1/art00051","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6066796355","display_name":"Colour to grey scale and related transforms","funder_award_id":"EP/E012248/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1026608432.pdf","grobid_xml":"https://content.openalex.org/works/W1026608432.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2147943677","https://openalex.org/W2545506750","https://openalex.org/W2039904248","https://openalex.org/W2107877995","https://openalex.org/W2371329095","https://openalex.org/W2269767249","https://openalex.org/W2035413902","https://openalex.org/W2579026190","https://openalex.org/W2949506716","https://openalex.org/W3122297873"],"abstract_inverted_index":{"The":[0],"standard":[1],"approach":[2,91],"for":[3],"the":[4,20,27,46,50,60,64,94,99,105,118,121,128,135],"conversion":[5],"of":[6,63,96,120],"colour":[7,66,137],"images":[8],"to":[9,12,76,107],"greyscale":[10,83,106,141],"is":[11,75,102],"remove":[13],"their":[14],"chromatic":[15],"content":[16],"and":[17,55,110],"keep":[18,134],"only":[19,126],"brightness":[21],"information.":[22],"However,":[23],"with":[24,132],"this":[25,34],"method":[26],"detail":[28],"at":[29,45],"equiluminant":[30],"edges":[31],"disappears.":[32],"In":[33],"paper,":[35],"we":[36,124],"propose":[37],"a":[38,69,82,88,140],"colour-to-greyscale":[39],"transformation":[40],"that":[41,58],"preserves":[42],"details":[43],"and,":[44],"same":[47],"time,":[48],"enhances":[49],"output.":[51],"We":[52,113],"consider":[53],"Socolinsky":[54],"Wolff's":[56],"technique":[57],"codes":[59],"contrast":[61,138],"information":[62],"three":[65],"channels":[67],"in":[68,139],"single":[70],"gradient":[71,100],"field.":[72],"Our":[73,90],"contribution":[74],"show":[77,114],"how":[78,115],"retinex-type":[79],"algorithms":[80],"produce":[81],"image":[84],"by":[85,116],"integrating":[86],"such":[87],"gradient.":[89],"also":[92],"addresses":[93],"question":[95],"integrability":[97,129],"where":[98],"field":[101],"non-integrable":[103],"(causing":[104],"have":[108],"smears":[109],"bending":[111],"artefacts).":[112],"diminishing":[117],"saturation":[119],"original":[122],"input":[123],"not":[125],"reduce":[127],"problem":[130],"but,":[131],"enhancement,":[133],"perceived":[136],"reproduction.":[142]},"counts_by_year":[],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
