{"id":"https://openalex.org/W4205964715","doi":"https://doi.org/10.1142/s0219467823500183","title":"DCT Coefficients Weighting (DCTCW)-Based Gray Wolf Optimization (GWO) for Brightness Preserving Image Contrast Enhancement","display_name":"DCT Coefficients Weighting (DCTCW)-Based Gray Wolf Optimization (GWO) for Brightness Preserving Image Contrast Enhancement","publication_year":2021,"publication_date":"2021-12-31","ids":{"openalex":"https://openalex.org/W4205964715","doi":"https://doi.org/10.1142/s0219467823500183"},"language":"en","primary_location":{"id":"doi:10.1142/s0219467823500183","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0219467823500183","pdf_url":null,"source":{"id":"https://openalex.org/S60080701","display_name":"International Journal of Image and Graphics","issn_l":"0219-4678","issn":["0219-4678","1793-6756"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Image and Graphics","raw_type":"journal-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/A5010688952","display_name":"Saorabh Kumar Mondal","orcid":null},"institutions":[{"id":"https://openalex.org/I175399479","display_name":"Haldia Institute of Technology","ror":"https://ror.org/0211bs523","country_code":"IN","type":"education","lineage":["https://openalex.org/I175399479"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Saorabh Kumar Mondal","raw_affiliation_strings":["Department of Instrumentation and Control Engineering, Haldia Institute of Technology, Haldia, India"],"affiliations":[{"raw_affiliation_string":"Department of Instrumentation and Control Engineering, Haldia Institute of Technology, Haldia, India","institution_ids":["https://openalex.org/I175399479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000059269","display_name":"Arpitam Chatterjee","orcid":"https://orcid.org/0000-0003-3850-694X"},"institutions":[{"id":"https://openalex.org/I170979836","display_name":"Jadavpur University","ror":"https://ror.org/02af4h012","country_code":"IN","type":"education","lineage":["https://openalex.org/I170979836"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Arpitam Chatterjee","raw_affiliation_strings":["Department of Printing Engineering, Jadavpur University, Kolkata, India"],"affiliations":[{"raw_affiliation_string":"Department of Printing Engineering, Jadavpur University, Kolkata, India","institution_ids":["https://openalex.org/I170979836"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043646150","display_name":"Bipan Tudu","orcid":"https://orcid.org/0000-0001-9323-4276"},"institutions":[{"id":"https://openalex.org/I170979836","display_name":"Jadavpur University","ror":"https://ror.org/02af4h012","country_code":"IN","type":"education","lineage":["https://openalex.org/I170979836"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Bipan Tudu","raw_affiliation_strings":["Department of Instrumentation and Electronics Engineering, Jadavpur University, Kolkata, India"],"affiliations":[{"raw_affiliation_string":"Department of Instrumentation and Electronics Engineering, Jadavpur University, Kolkata, India","institution_ids":["https://openalex.org/I170979836"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5000059269"],"corresponding_institution_ids":["https://openalex.org/I170979836"],"apc_list":null,"apc_paid":null,"fwci":0.0961,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42937908,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"23","issue":"02","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","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/T11019","display_name":"Image Enhancement Techniques","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":0.9995999932289124,"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/T11165","display_name":"Image and Video Quality Assessment","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"}}],"keywords":[{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.6925731301307678},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.5838330388069153},{"id":"https://openalex.org/keywords/brightness","display_name":"Brightness","score":0.5644474029541016},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5528794527053833},{"id":"https://openalex.org/keywords/histogram-equalization","display_name":"Histogram equalization","score":0.5481106638908386},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5388569235801697},{"id":"https://openalex.org/keywords/weighting","display_name":"Weighting","score":0.5339136719703674},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5309889912605286},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5245882868766785},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4197273850440979},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.41258540749549866},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.40024492144584656},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38021987676620483},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.37756016850471497},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3714071214199066}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.6925731301307678},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.5838330388069153},{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.5644474029541016},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5528794527053833},{"id":"https://openalex.org/C136943445","wikidata":"https://www.wikidata.org/wiki/Q1970240","display_name":"Histogram equalization","level":4,"score":0.5481106638908386},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5388569235801697},{"id":"https://openalex.org/C183115368","wikidata":"https://www.wikidata.org/wiki/Q856577","display_name":"Weighting","level":2,"score":0.5339136719703674},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5309889912605286},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5245882868766785},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4197273850440979},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.41258540749549866},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.40024492144584656},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38021987676620483},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.37756016850471497},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3714071214199066},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0219467823500183","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0219467823500183","pdf_url":null,"source":{"id":"https://openalex.org/S60080701","display_name":"International Journal of Image and Graphics","issn_l":"0219-4678","issn":["0219-4678","1793-6756"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Image and Graphics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1511070613","https://openalex.org/W1595159159","https://openalex.org/W1644173899","https://openalex.org/W1976468890","https://openalex.org/W1997600725","https://openalex.org/W2012554041","https://openalex.org/W2016622085","https://openalex.org/W2027016690","https://openalex.org/W2030009277","https://openalex.org/W2039081162","https://openalex.org/W2040131620","https://openalex.org/W2057321661","https://openalex.org/W2061438946","https://openalex.org/W2072955302","https://openalex.org/W2090994189","https://openalex.org/W2096914794","https://openalex.org/W2109391410","https://openalex.org/W2119671639","https://openalex.org/W2139375301","https://openalex.org/W2141704978","https://openalex.org/W2141983208","https://openalex.org/W2144628669","https://openalex.org/W2146907897","https://openalex.org/W2154408267","https://openalex.org/W2441778771","https://openalex.org/W2516283731","https://openalex.org/W2553231052","https://openalex.org/W2773490737","https://openalex.org/W2791694917","https://openalex.org/W2793086013","https://openalex.org/W2797094143","https://openalex.org/W2905424738","https://openalex.org/W2906875602","https://openalex.org/W2912250162","https://openalex.org/W2936073395","https://openalex.org/W2962962930","https://openalex.org/W2999925080","https://openalex.org/W4200333562","https://openalex.org/W4214695428","https://openalex.org/W4231057059"],"related_works":["https://openalex.org/W2180954594","https://openalex.org/W2052835778","https://openalex.org/W2049003611","https://openalex.org/W1916685473","https://openalex.org/W2055682261","https://openalex.org/W2127804977","https://openalex.org/W2108418243","https://openalex.org/W164103134","https://openalex.org/W1993363272","https://openalex.org/W3141770717"],"abstract_inverted_index":{"Image":[0],"contrast":[1,118],"enhancement":[2,8],"(CE)":[3],"is":[4,24,76,148],"a":[5,25,96,109,149,234],"frequent":[6],"image":[7,31,51,58,89,120,125,173,241],"requirement":[9],"in":[10,16,66,139,153,204],"diverse":[11],"applications.":[12],"Histogram":[13],"equalization":[14],"(HE),":[15],"its":[17],"conventional":[18,34,136,225],"and":[19,63,116,183,195,212,226],"different":[20,140,168],"further":[21],"improved":[22,227],"ways,":[23],"popular":[26],"technique":[27],"to":[28,82,112,170,207,222],"enhance":[29],"the":[30,40,67,79,88,101,122,199,216,223],"contrast.":[32,90],"The":[33,161,175],"as":[35,37],"well":[36],"many":[38],"of":[39,43,49,56,78,92,103,237],"later":[41],"versions":[42],"HE":[44],"algorithms":[45],"often":[46],"cause":[47],"loss":[48,65],"original":[50,57,124,172],"characteristics":[52],"particularly":[53],"brightness":[54],"distribution":[55],"that":[59,156,198],"results":[60],"artificial":[61],"appearance":[62],"feature":[64],"enhanced":[68,119],"image.":[69],"Discrete":[70],"Cosine":[71],"Transform":[72],"(DCT)":[73],"coefficient":[74],"mapping":[75],"one":[77],"recent":[80],"methods":[81],"minimize":[83],"such":[84],"problems":[85],"while":[86],"enhancing":[87],"Tuning":[91],"DCT":[93],"parameters":[94,169],"plays":[95],"crucial":[97],"role":[98],"towards":[99,239],"avoiding":[100],"saturations":[102],"pixel":[104],"values.":[105],"Optimization":[106],"can":[107,202,231],"be":[108,232],"possible":[110],"solution":[111],"address":[113],"this":[114,154],"problem":[115],"generate":[117],"preserving":[121],"desired":[123],"characteristics.":[126,174],"Biological":[127],"behavior-inspired":[128],"optimization":[129,137,146],"techniques":[130,138],"have":[131],"shown":[132,158],"remarkable":[133],"betterment":[134],"over":[135],"complex":[141],"engineering":[142],"problems.":[143],"Gray":[144],"wolf":[145],"(GWO)":[147],"comparatively":[150],"new":[151],"algorithm":[152],"domain":[155],"has":[157,164],"promising":[159],"potential.":[160],"objective":[162,176],"function":[163],"been":[165],"formulated":[166],"using":[167],"retain":[171],"evaluation":[177],"against":[178],"CEF,":[179],"PCQI,":[180],"FSIM,":[181],"BRISQUE":[182],"NIQE":[184],"with":[185],"test":[186],"images":[187],"from":[188],"three":[189],"standard":[190],"databases,":[191],"namely,":[192],"SIPI,":[193],"TID":[194],"CSIQ":[196],"shows":[197],"presented":[200],"method":[201],"result":[203],"values":[205],"up":[206],"1.4,":[208,209],"0.94,":[210],"19":[211],"4.18,":[213],"respectively,":[214],"for":[215],"stated":[217],"metrics":[218],"which":[219],"are":[220],"competitive":[221],"reported":[224],"techniques.":[228],"This":[229],"paper":[230],"considered":[233],"first-time":[235],"application":[236],"GWO":[238],"DCT-based":[240],"CE.":[242]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
