Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2006-08-15
2006-08-15
Tung, Kee M. (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S600000, C345S601000, C345S602000
Reexamination Certificate
active
07091985
ABSTRACT:
A method, apparatus, and information bearing medium for compressing color utilizes an expandable color palette for storing a pre-established number of n-bit color codes. Each of the n-bit color codes maps to an m-bit color value, where m is an integer greater than n. Up to the pre-established number of n-bit color codes are stored in a first palette table of the color palette. The color palette is expanded to include up to a specified number of palette tables for storing sets of the pre-established number of n-bit color codes. The pre-established number of n-bit color codes is characterized by 2n−1 color codes. The color palette is expanded to include up to (m
)−1 palette tables for storing sets of 2n−1 color codes. Each of the palette tables is associated with a pixel table which stores a linking value for associating a particular palette table to a subsequently generated palette table.
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Towns Timothy Leroy
Varga John T.
Chambliss Bahner & Stophel
Harrison Chante
Lynch David W.
Tung Kee M.
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