Facsimile and static presentation processing – Natural color facsimile – Color correction
Patent
1997-09-26
1999-12-14
Coles, Edward L.
Facsimile and static presentation processing
Natural color facsimile
Color correction
358501, 358504, 358406, H04N 146, G03F 308
Patent
active
060024984
ABSTRACT:
Y image, M image, C image and a mixed-dye image wherein Y, M and C are mixed are prepared by an image forming apparatus, analytical density for each of Y, M and C components in their complementary color wavelength regions is measured by a densitometer for each of Y image, M image and C image, then Y image, M image, C image and a mixed-dye image are read by the aforesaid image reading apparatus and spectral densities for in B, G and R wavelength regions are obtained. A conversion function for obtaining analytical density from spectral density is obtained from the spectral densities obtained by the image reading apparatus and the analytical density obtained through measurement by a densitometer.
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Haraguchi Tsuyoshi
Maeda Ichiroh
Mano Shigeru
Takei Yutaka
Takeyama Toshihisa
Coles Edward L.
Konica Corporation
Pokrzywa Joseph R.
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