Facsimile and static presentation processing – Natural color facsimile – Color correction
Reexamination Certificate
2007-10-09
2007-10-09
Moe, Aung S. (Department: 2625)
Facsimile and static presentation processing
Natural color facsimile
Color correction
C358S515000, C358S519000, C358S523000, C382S162000, C382S167000, C382S274000, C382S312000, C382S317000, C382S321000, C345S426000, C345S427000, C345S589000, C345S600000, C348S254000, C348S256000
Reexamination Certificate
active
10255644
ABSTRACT:
For each paper type, a plurality of two-dimensional excitation characteristics tables Ti are provided in one to one correspondence with a plurality of colors i. The excitation characteristics table Ti for each color i contains a plurality of sets of excitation-reflectance data Bi (λ0, λ) in a two-dimensional matrix form, for a plurality of combinations of incident light wavelengths λ and reflected light wavelengths λ0. The excitation-reflectance data Bi (λ0, λ) indicates the ratio of the amount of the reflected light wavelength λ0generated in response to incidence of the incident light wavelength λ, with respect to the amount of the incident light wavelength λ. Using the two-dimensional excitation characteristics table Ti corresponding to the user's selected paper type and using the spectral radiation characteristics S(λ) of the user's selected light source type, Equations (9)-(11) are calculated to create an output profile, and color conversion is performed by using the output profile.
REFERENCES:
patent: 5748329 (1998-05-01), Chang
patent: 5835624 (1998-11-01), Ueda et al.
patent: 6466334 (2002-10-01), Komiya et al.
patent: 6567543 (2003-05-01), Shiraiwa et al.
patent: A 9-116776 (1997-05-01), None
Hagai Naoki
Kondo Masaki
Kuno Masashi
Nishihara Masahiro
Ueda Masashi
Brother Kogyo Kabushiki Kaisha
Moe Aung S.
Rohwer Jacob P.
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