Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-02-20
2007-02-20
Grant, Jerome (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S002100, C358S520000, C358S530000
Reexamination Certificate
active
10180962
ABSTRACT:
In an image processing apparatus, a desired image processing is applied to an input signal by using a color correction table which changes an amount of conversion for a white point according to the luminance of white provided from an image output apparatus. It is possible to avoid influence of adaptation of the eye by making chromaticity of a target white point (D=O, (xwt, ywt)) close to chromaticity of white of the image output apparatus (D=1, (xwd, ywd)). Further, the target white point after the conversion is made close to a white point of the image output apparatus as luminance of the white provided from the image output apparatus increases. The reason for this constitution is that the human eye tends to adapt to bright light more than to dark light.
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Fukasawa Kenji
Kanai Masashi
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