Appeal No. 1998-1895 Page 13
Application No. 08/425,990
(Id.)
Similarly, although Carnahan discloses an "[i]nverse
image transformation circuit 64", col. 12, l. 67, the circuit
does not perform its inverse transformation on a pair of high-
frequency images that were synthesized by filtering a pair of
edge images with an edge synthesis filter. To the contrary,
the reference's inverse transformation is performed on image
data resulting from a wavelet transform. Specifically,
"[i]nverse image transformation circuit 64 performs
(recursively) the inverse
operations performed by circuit 52. In a preferred
embodiment, circuit 64 has the same structure does [sic]
circuit 52 except that each filter of circuit 64's analyzers
... generates an 'inverse' set of coefficients to the
coefficients generated by the corresponding filter of circuit
52. Each N×M image data block output from circuit 64 is a
reconstructed version of a corresponding N×M image data block
received by circuit 52."
Col. 12, l. 67 - col. 13, l. 8.
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