Appeal No. 2005-0444
Application No. 10/025,671
We find ourselves convinced by Appellant’s argument that APA
lacks the specific teachings related to compressing image data by
discarding and maintaining pixels. In fact, APA merely describes
the nature of processing continuous and non-continuous tone data
which necessitates using a higher spatial resolution for
rendering continuous tone data compared with non-continuous tone
data (specification, page 1). Claim 15, on the other hand,
requires that the continuous and non-continuous tone data be
compressed by maintaining pixels along a direction perpendicular
to an edge which, using extra resolution, is decompressed to
provide a high spatial resolution. Therefore, as argued by
Appellant, APA does not disclose the manner by which such
resolution may be achieved and therefore, cannot cure the
deficiencies of Honma and Hyatt. Accordingly, the 35 U.S.C. §
103 rejection of claims 15-17 over Honma, APA and Hyatt cannot be
sustained.
Finally, with respect to the 35 U.S.C. § 103 rejection of
claims 13, 14 and 18 over Shannon and Hyatt, Appellant argues
that compressing the image by discarding and maintaining pixels
in directions parallel and perpendicular to the edge is not
disclosed in any of the references (brief, page 15). Appellant
further asserts that Shannon describes dithering of a color image
to convert the color image into monochrome image data (brief,
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