Apparatus and method for improving memory usage of look-up table

Details Apparatus and method for improving memory usage of look-up table Apparatus and method for improving memory usage of look-up table

1996-06-27

1999-08-10

Vu, Kim Yen

Image analysis

Color image processing

Color correction

358517, 358520, H04N 160

Patent

active

059370882

ABSTRACT:
An improved apparatus for reducing memory usage of look-up table mapping in an imaging system, a method related to the apparatus is also disclosed. The apparatus receives a digital input signal and processes it through a two-step mapping procedures instead of conventional skill that it uses only one look-up table, each procedure provides a series of mapping outputs. A comparing unit composed of a lot of logical gates is then comparing those mappings with original input signal and choosing the best one for preparing a final output. Finally, a final output corresponding to the best choice is providing for displaying.

REFERENCES:
patent: 5506946 (1996-04-01), Bar et al.
patent: 5781903 (1998-07-01), Rusterholz

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