System and method for color space transformation employing...

Details System and method for color space transformation employing... System and method for color space transformation employing...

2011-07-26

2011-07-26

Haskins, Twyler L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003230, C358S525000, C382S162000, C382S167000

Reexamination Certificate

active

07986434

ABSTRACT:
The subject application is directed to a color space transformation system and method employing multiple three-dimensional linear interpolations. First, N-channel multi-dimensional color space color image data is received into a color lookup table, which includes entries having values in a multi-dimensional color space corresponding to selected values in an N-channel multi-dimensional color space, with N being any integer greater than 2. Values in the color lookup table are then addressed in accordance with the received image data. Next, 2N/8 three-dimensional interpolations are then applied to an output of the lookup table corresponding to the received image data. Thereafter, (2N/8−1)*3 linear interpolations are then performed among outputs from the three-dimensional interpolation. Transformed image data is then output in accordance with an output of the linear interpolation.

REFERENCES:
patent: 6765695 (2004-07-01), Chen et al.
patent: 7843465 (2010-11-01), Shaick
patent: 2006/0274386 (2006-12-01), Wakazono et al.
patent: 2007/0160285 (2007-07-01), Gondek et al.
patent: 2008/0218779 (2008-09-01), Shirasawa

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