Apparatus and method for multi-resolution color mapping for...

Details Apparatus and method for multi-resolution color mapping for... Apparatus and method for multi-resolution color mapping for...

2006-12-26

2006-12-26

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S602000, C345S604000, C345S698000

Reexamination Certificate

active

07154509

ABSTRACT:
An apparatus and method for allowing color adjustments in display devices is disclosed The apparatus comprises a multi-resolution structure for providing color adjustments; and an interpolator for interpolating at least one offset of the multi-resolution structure. An apparatus and method in accordance with the present invention uses a combination of color look-up tables with different levels of resolution, followed by interpolation to provide a display process which has high resolution but utilizes minimal memory. In so doing, memory is used for high-resolution areas only where needed. The multi-resolution structure is a very good approximation to the theoretical mapping table in the areas where it is needed. At the same time, since the high resolution areas are localized, a significant reduction in memory storage is possible.

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