Appeal No. 1997-3269
Application 07/918,519
teach the claim limitation of reconstructing an image from two
quantized independently displayable representations of the
image to construct an image with additional quantization
levels.
We note that the Examiner has not asserted that either
Chung or Rosen teaches combining two quantized independently
displayable representations of an image. Nonetheless, we do
not find that either of these references teaches combining two
quantized independently displayable representations of an
image. We find that Chung teaches in column 1, lines 39
through 43, that two image representations, the dither image
and the difference signal, are used to construct an image.
However, we do not find that Chung teaches that either the
dither image or the difference signal are independently
displayable. We find that Rosen teaches a system to
facilitate transfer before and after data compression. See
column 2, lines 37 through 40. However, we do not find that
Rosen teaches combining two images.
Thus, we find that the combination of Jones, Chung and
Rosen does not teach or suggest reconstructing an image from
two quantized independently displayable representations of the
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