Color correcting method and apparatus

Details Color correcting method and apparatus Color correcting method and apparatus

1996-10-24

1999-07-27

Ho, Tuan V.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348157, 358518, 382156, H04N 973

Patent

active

059299061

ABSTRACT:
A color correcting unit receives color separation values such as CMY values from an image input unit. Under the control of a control portion, inputs to a first conversion portion constituted by a neural network which has been trained in advance on the basis of the spectral distribution of an arbitrary illuminant are corrected so that outputs from the first conversion portion satisfy the color separation values and a predetermined requirement. The input values to the first conversion portion, which satisfy the predetermined requirement, are sent to an image output unit. The image output unit outputs an image in accordance with these input values.

REFERENCES:
patent: 4500919 (1985-02-01), Schreiber
patent: 5185850 (1993-02-01), Usui et al.
patent: 5546195 (1996-08-01), Arai
patent: 5771311 (1998-06-01), Arai

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