Digital picture image color conversion

Details Digital picture image color conversion Digital picture image color conversion

2003-09-24

2008-07-01

Hung, Yubin (Department: 2624)

Image analysis

Color image processing

Color correction

C382S162000, C358S518000, C358S519000, C358S520000, C358S521000

Reexamination Certificate

active

07394929

ABSTRACT:
A computer method for transforming a sensor color space of a digital image to standard color space. The color pixels in the sensor color space digital image are grouped and multiplied by multiple color conversion matrices without amplifying sensor noise. Different color conversion matrices are used for different parts of the image. The sum of the color error and amplified noise is minimized.

REFERENCES:
patent: 5552904 (1996-09-01), Ryoo et al.
patent: 5987167 (1999-11-01), Inoue
patent: 6600833 (2003-07-01), Tan et al.
patent: 6897983 (2005-05-01), Kawano

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