Appeal No. 1998-0745
Application 08/216,842
correlation in order to ensure that the corresponding features
were being compared in the two images.
We disagree with the examiner’s analysis. The correlation
table relied on by the examiner is illustrated in Figure 9 of
Verdooner. This table relates to image comparison after images
have been aligned and represents changes in a patient from
previous visits. Unlike appellant, the correlation table is not
used to
align images and there is no showing why it would have been
obvious
to modify the reference to utilize a correlation table formed in
the manner defined in claim 8 to align images.
The examiner has provided no convincing rationale as to why
it would have been obvious to use a correlation table such that
image movement means moves two images so that “image information
of said at least one reference point coincides with image
information of a corresponding point represented by a maximum
numerical value in the correlation table”. The fact that it was
well known to perform various types of processing on image data
(answer at page 7) does not establish that appellant’s invention
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