Appeal No. 1999-2027
Application No. 08/452,500
Further, in the specification (page 15), appellants disclose
that an outermost point is determined in each of 16 directions
r from the starting point S. This is also shown in Figure 4.
Figure 22 shows a specific construction of an outermost point
detecting circuit. Thus, the first extraction means is
clearly disclosed.
Figures 4, 5, and 10 together with the description on
pages 16 and 17 of the specification show and explain how
contour lines are segmented into one of a concave line segment
or a convex line segment. A similar disclosure on pages 21-22
explains the determination of hole segments. Also, Figure 25
illustrates a particular construction of the calculating unit.
Therefore, the calculating and segmenting means are fully
disclosed.
As to the claimed matching means, Figure 27 shows a
specific construction and Figure 30 shows a flow of operations
of the matching unit. In addition, the description beginning
at page 23 explains how a degree of matching with each
category feature is determined and how matching is effected.
Accordingly, all of the elements of claim 1 are fully
disclosed in such a way as to enable one of ordinary skill in
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