Appeal No. 1996-0485 Page 12
Application No. 08/139,456
stored in a mapped image storage 24 to replace the two
averaged pels from the original image. When the process has
been repeated for every such averaged pair of the original
image, the digital image data in the mapped image storage 24
is output to a monitor 38 for display. Id. at ll. 32-47.
In short, Deacon teaches employing a look-up operation to
enhance RGB-formatted images. The original image data are
specified in the RGB format. The data remain in the RGB
format throughout the enhancement and the eventual display.
Contrary to the claimed invention, the look-up operation does
not operate on YUV-formatted data to convert the data from the
YUV format to the RGB format. We appreciate the examiner’s
explanation that Deacon would have suggested combining its
teaching of a look-up operation with the teachings of
Admission “to provide an image which can be perceived as
smoother and more uniform.” (First Rejection at 3.) Because
Deacon teaches employing a look-up operation to enhance RGB-
formatted images, however, the reference would have suggested
employing its teaching on RGB-formatted data after conversion
from the YUV format. It would not have suggested employing
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