Method and means for producing high quality digital reflection prints from transparency images

Method and means for producing high quality digital reflection prints from transparency images

This invention relates in general to a digital photofinishing system and more particularly to a digital photofinishing and printing system for making color reflection prints from color transparency film images. A method of digital photofinishing comprising the steps of: producing a digital color ima...

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Hauptverfasser: Giorgianni, Edward J, Koeng, Fred R, Loveridge, Jennifer C
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Sprache:eng
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creator Giorgianni, Edward J
Koeng, Fred R
Loveridge, Jennifer C
description This invention relates in general to a digital photofinishing system and more particularly to a digital photofinishing and printing system for making color reflection prints from color transparency film images. A method of digital photofinishing comprising the steps of: producing a digital color image having colorimetric tristimulus values describing a color transparency media from a color image captured on color transparency photographic media; first transforming the digital color image having colorimetric tristimulus values describing color transparency media to a digital color image having colorimetric tristimulus values describing a reflection print; second transforming the digital color image having colorimetric tristimulus values describing a reflection print into digital code values representative of the color image for printing by a digital color printer using a combination of 1D and 3D look up tables; sharpening the transformed digital code values representative of the color image with a sharpening algorithm optimized to avoid unacceptable artifacts; and digitally printing the sharpened digital color image onto reflection media.
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title Method and means for producing high quality digital reflection prints from transparency images
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