Image data color correction method

Details Image data color correction method Image data color correction method

1997-12-09

1999-10-26

Tran, Phuoc

Image analysis

Color image processing

Color correction

358523, G06K 900

Patent

active

059741732

ABSTRACT:
An image data color correction method includes the step of obtaining a first error with respect to input image data by looking up a first look-up table (A), the step of obtaining a second error with respect to the first error by looking up a second look-up table (B), the step of obtaining an error coefficient on the basis of the ratio between the remainder obtained by dividing the gradation level of the input data by a predetermined number of gradation levels and the predetermined number of gradation levels, and the step of adding the first error and the product of the error coefficient and the second error to the input image data, thereby interpolating the first error and correcting the input image data.

REFERENCES:
patent: 5786908 (1998-07-01), Liang
patent: 5881211 (1999-03-01), Matsumura

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