{"title":"Non-linear quantisation effects in digital colour systems","authors":"K. Godfrey, Y. Attikiouzel","doi":"10.1109/WIVC.1996.624646","DOIUrl":null,"url":null,"abstract":"This paper shows that quantisation of colour pixels, essential to digital imagery, causes non-linear correlation in the permitted values of chromaticity coordinates in linear-intensity CIE colour spaces. It follows that colour video and image coding schemes based on these colour spaces will suffer an inherent preference for certain chromaticities.","PeriodicalId":422426,"journal":{"name":"Proceedings of First International Workshop on Wireless Image/Video Communications","volume":"2009 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of First International Workshop on Wireless Image/Video Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WIVC.1996.624646","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper shows that quantisation of colour pixels, essential to digital imagery, causes non-linear correlation in the permitted values of chromaticity coordinates in linear-intensity CIE colour spaces. It follows that colour video and image coding schemes based on these colour spaces will suffer an inherent preference for certain chromaticities.
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