{"id":"https://openalex.org/W155359393","doi":"https://doi.org/10.2352/cic.2001.9.1.art00051","title":"Adaptive Quartile Sigmoid Function Operator for Color Image Contrast Enhancement","display_name":"Adaptive Quartile Sigmoid Function Operator for Color Image Contrast Enhancement","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W155359393","doi":"https://doi.org/10.2352/cic.2001.9.1.art00051","mag":"155359393"},"language":"en","primary_location":{"id":"doi:10.2352/cic.2001.9.1.art00051","is_oa":true,"landing_page_url":"https://doi.org/10.2352/cic.2001.9.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/9/1/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/9/1/art00051","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5023352265","display_name":"Chao\u2010Hua Wen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chao-hua Wen","raw_affiliation_strings":["Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC"],"affiliations":[{"raw_affiliation_string":"Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC","institution_ids":["https://openalex.org/I4210148468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076334513","display_name":"Jyh-jiun Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jyh-jiun Lee","raw_affiliation_strings":["Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC"],"affiliations":[{"raw_affiliation_string":"Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC","institution_ids":["https://openalex.org/I4210148468"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003879981","display_name":"Yi-chin Liao","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yi-chin Liao","raw_affiliation_strings":["Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC"],"affiliations":[{"raw_affiliation_string":"Electronics & Systems Laboratories , Industrial Technology Research Institute Hsin-chu , Taiwan , ROC","institution_ids":["https://openalex.org/I4210148468"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5023352265"],"corresponding_institution_ids":["https://openalex.org/I4210148468"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.03193446,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"9","issue":"1","first_page":"280","last_page":"285"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9980999827384949,"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"}},"topics":[{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9980999827384949,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9973999857902527,"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":0.9829999804496765,"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/sigmoid-function","display_name":"Sigmoid function","score":0.9355475902557373},{"id":"https://openalex.org/keywords/quartile","display_name":"Quartile","score":0.6693305969238281},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.6243049502372742},{"id":"https://openalex.org/keywords/lightness","display_name":"Lightness","score":0.601426899433136},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5416697859764099},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.438656747341156},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.43861377239227295},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.437171995639801},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4177207350730896},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33889907598495483},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2547111511230469},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06419384479522705}],"concepts":[{"id":"https://openalex.org/C81388566","wikidata":"https://www.wikidata.org/wiki/Q526668","display_name":"Sigmoid function","level":3,"score":0.9355475902557373},{"id":"https://openalex.org/C68443243","wikidata":"https://www.wikidata.org/wiki/Q2786686","display_name":"Quartile","level":3,"score":0.6693305969238281},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.6243049502372742},{"id":"https://openalex.org/C193601281","wikidata":"https://www.wikidata.org/wiki/Q19426","display_name":"Lightness","level":2,"score":0.601426899433136},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5416697859764099},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.438656747341156},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.43861377239227295},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.437171995639801},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4177207350730896},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33889907598495483},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2547111511230469},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06419384479522705},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"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/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"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/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2352/cic.2001.9.1.art00051","is_oa":true,"landing_page_url":"https://doi.org/10.2352/cic.2001.9.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/9/1/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"}],"best_oa_location":{"id":"doi:10.2352/cic.2001.9.1.art00051","is_oa":true,"landing_page_url":"https://doi.org/10.2352/cic.2001.9.1.art00051","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/9/1/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":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W155359393.pdf","grobid_xml":"https://content.openalex.org/works/W155359393.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2407660353","https://openalex.org/W1987421842","https://openalex.org/W2347594949","https://openalex.org/W1969449762","https://openalex.org/W2035413902","https://openalex.org/W2121179941","https://openalex.org/W1977373830","https://openalex.org/W2081147492","https://openalex.org/W2909619314","https://openalex.org/W2074336988"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposed":[2],"a":[3,19,42,55,79,83,102],"color":[4],"image":[5,40],"enhancement":[6],"using":[7],"statistical":[8],"quartiles":[9],"and":[10],"sigmoid":[11,61,124],"functions":[12,23],"to":[13,27,92,129],"compensate":[14],"perceptually":[15],"the":[16,29,50,76,94,106,112],"characteristics":[17],"of":[18,54,78,96,105,108,117,132],"destination":[20,56,137],"device.":[21,57],"Sigmoid":[22],"are":[24],"usually":[25],"utilized":[26],"overcome":[28],"nature":[30],"loss":[31],"in":[32],"perceived":[33],"lightness":[34],"contrast":[35,131],"that":[36,72,121],"results":[37,77,116],"when":[38],"an":[39],"from":[41,75],"full":[43],"dynamic":[44,52],"range":[45,53],"device":[46],"is":[47,65],"scaled":[48],"into":[49,135],"limited":[51],"The":[58,115],"adaptive":[59,122],"quartile":[60,123],"function":[62,71,125],"operator":[63,126],"(QSFO)":[64],"selected":[66],"based":[67],"on":[68,111],"cumulative":[69],"distribution":[70],"was":[73,90,101,127],"developed":[74],"psychophysical":[80],"experiment.":[81],"Final,":[82],"two-factor":[84],"factorial":[85],"experiment":[86],"with":[87],"repeated":[88],"measures":[89],"conducted":[91],"verify":[93],"effects":[95],"six":[97],"enhanced":[98,109],"methods.":[99],"There":[100],"significant":[103],"effect":[104],"level":[107],"methods":[110],"ranking":[113],"score.":[114],"this":[118],"study":[119],"revealed":[120],"possible":[128],"enhance":[130],"source":[133],"images":[134],"preferred":[136],"images.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-03-13T14:20:09.374765","created_date":"2025-10-10T00:00:00"}
