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Color Rendering from CMYK Inks into Film Dyes 从CMYK油墨到胶片染料的显色性
Applied Vision Pub Date : 1900-01-01 DOI: 10.1364/av.1989.fa5
J. Thornton, D. Bybell, Bill Donovan, J. McCann
{"title":"Color Rendering from CMYK Inks into Film Dyes","authors":"J. Thornton, D. Bybell, Bill Donovan, J. McCann","doi":"10.1364/av.1989.fa5","DOIUrl":"https://doi.org/10.1364/av.1989.fa5","url":null,"abstract":"It is often difficult to obtain quality hard copy for high resolution (eg. 6000×3000 pixels) digital images. To obtain hard copy, we use a film recorder which writes a fine image raster directly onto Polaroid instant color print film. Our concern that the color in the print be controlled as precisely as possible led to the development of a special purpose color computer. The color computer resides in the film recorder and transforms the input image pixel values into those output exposure control values necessary to attain the desired color on film. This color transformation is done on the fly without slowing down the printing of the image.","PeriodicalId":344719,"journal":{"name":"Applied Vision","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123197472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hexagonal QMF pyramids 六边形QMF金字塔
Applied Vision Pub Date : 1900-01-01 DOI: 10.1364/av.1989.wb2
E. Adelson, Eero P. Simoncelli
{"title":"Hexagonal QMF pyramids","authors":"E. Adelson, Eero P. Simoncelli","doi":"10.1364/av.1989.wb2","DOIUrl":"https://doi.org/10.1364/av.1989.wb2","url":null,"abstract":"It is widely recognized that effective image processing and machine vision must involve the use of information at multiple scales, and that models of human vision must be multi-scale as well. The most commonly used image representations are linear transforms, in which an image is decomposed into a sum of elementary basis functions. Besides being well understood, linear transformations in the form of convolutions provide a useful model of some of the early processing in the human visual system.","PeriodicalId":344719,"journal":{"name":"Applied Vision","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126371124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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