Appeal No. 1997-2311
Application No. 07/978,957
OPINION
The obviousness rejection of claims 1 through 3 is
reversed.
Although Kunimitsu is silent concerning an integration
circuit, the appellants indicate (Brief, page 4) that an
integration circuit is “accomplished by image storage 9" which
provides an output to the binarization circuit 8 (Figure 1).
Thus, Kunimitsu has “integration in circuit 9 prior to
binarization in circuit 8" (Brief, page 4).
According to the examiner, “Seto et al discloses a method
of detecting change using image as shown in Figure 2 and
teaches the use of a binarization circuit (4 of Figure 2) for
binarizing difference data (3 of Figure 2) before integration,
i.e. detection process for arbitrary shape (5 of Figure 2)”
(Answer, page 6). The examiner concludes (Answer, page 6)
that it would have been obvious to apply the teachings of Seto
to Kunimitsu to improve the signal to noise ratio of the image
in Kunimitsu.
Appellants argue (Reply Brief, page 3) that “there is no
support for the conclusion that Seto teaches binarization
before integration since there is no Seto teaching related to
3
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