Appeal No. 1996-0485 Page 10
Application No. 08/139,456
We cannot find that the references teach or would have
suggested the look-up operation of claims 1, 8, and 16. The
claims recite in pertinent part “converting input image data
specified in a YUV format into display image data specified as
color index values which are mapped through an RGB color
palette for display on a raster scan video display ....”
Claims 1 and 8 each further recite in pertinent part “a
mapping look-up table means for receiving each said mapping
look-up table index and outputting a color index pair in
response to each said mapping look-up table index ....”
Similarly, claim 16 further recites in pertinent part
“supplying the mapping look-up table index to a mapping look-
up table, and selecting a first color palette index and a
second color palette index stored in the mapping look-up table
in response to the mapping look-up table index ....” In
short, claims 1, 8, and 16 specify employing a look-up
operation as part of converting data from the YUV format to
the RGB format.
Deacon relates to enhancing images from a limited color
palette. Col. 1, ll. 6-7. A microprocessor 18 stores an
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