Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2011-07-26
2011-07-26
Worku, Negussie (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S474000, C358S501000, C358S518000, C382S162000, C382S275000, C348S211130, C348S234000
Reexamination Certificate
active
07986438
ABSTRACT:
In a system for converting an input image signal input from an image input device into an output image signal to be output by an image output device, an image compression unit converts a spectral image input via an image input unit into R, G, and B data, obtains principal component data by making principal component analysis of the spectral image, and stores these data in an input image storage unit. When the principal component data and R, G, and B data are loaded and stored in an output image storage unit, a spectral reflectance reconstruction unit reconstructs the spectral reflectance of each pixel using these data. A printer model determines the dot quantities of inks used to record each pixel in an image output device on the basis of the calculated spectral reflectance, and generates an output image signal for the image output device. In this way, image data which allows to estimate the spectral reflectance characteristics of an input image is provided, and faithful color reproduction can be realized.
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Makita Takeshi
Takahashi Kosei
Yamada Osamu
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Worku Negussie
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