Appeal No. 2003-1842 Page 4
Application No. 09/179,290
In addressing the point of contention, the Board conducts a two-step analysis.
First, we construe the independent claim at issue to determine its scope. Second, we
determine whether the construed claim is anticipated.
1. Claim Construction
"Analysis begins with a key legal question — what is the invention claimed?"
Panduit Corp. v. Dennison Mfg. Co., 810 F.2d 1561, 1567, 1 USPQ2d 1593, 1597 (Fed.
Cir. 1987). Here, claim 2 recites in pertinent part the following limitations:
- defining a subdivision of the output image into regions of image
locations,
- providing a color look-up table,
- providing a respective set of references to the color look-up table for
each region,
. . .
wherein the color look-up table is provided for the source image, all
color values of the source image being in the color look-up table, the
reference used for the image locations in a particular group of the pixel
map being constructed from at least one reference to the color look-up
table which defines the color value in the source image for at least one
image location in the particular group,
wherein the reference used for the image locations in the particular
group is constructed by selecting a representative image location from the
particular group and taking the reference defining the color value for the
representative image location in the source image.
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