Appeal No. 2002-1983
Application No. 08/954,826
to support the agency’s conclusion.” In re Lee, 277 F.3d 1338,
1344, 61 USPQ2d 1430, 1434 (Fed. Cir. 2002).
Our review of Bhattacharjya confirms that the reference
relates to a method for generating a color lookup table based on
a smaller number of measured values (abstract). Bhattacharjya
discloses that various color peripheral devices, such as scanners
and printers, operate in different color spaces (col. 1, lines
37-61) and produce images in which colors appear different col.
2, lines 60-67). The reference overcomes this problem by system
color calibration which is a process of mapping the scanner color
signals to the printer color signals using a three-dimensional
lookup table (col. 3, lines 14-23). Although Bhattacharjya
provides a method of calibrating that includes generating a set
of sample points, performing non-linear interpolation and
augmenting the sample points, the converted data, as argued by
Appellants (brief, pages 11), is still in the same color space as
before the conversion (Figure 6, col. 15, lines 4-10). We also
agree with Appellants (reply brief, pages 3 & 4) that the
conversion table of Bhattacharjya does not convert data to “print
data” of a “different color space” and instead, is used to
convert RGB scanner data to RGB printer data in order to offset
device dependencies (col. 2, lines 60-67).
-6-
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