Appeal No. 2002-1940
Application 08/932,649
ability to fulfill the higher elevation teachings of Aviv would
have been well appreciated by the artisan. Kuo's digital
elevation information is stored in a database for later use
(Figures 1, 9A, 9B).
Moreover, we observe that the topographic elevation
capabilities in Kuo relate to features or objects that are
derived from the particular viewing perspective. Kuo discusses
in detail various point features or various image features
throughout the reference, such as at column 6, lines 7-10; column
15, line 66 through column 16, line 5, and the need to cure the
deficiency of the prior art discussed at column 2, lines 37-46
of identification of image features. These obviously would have
corresponded to the objects or people in the context of the
Aviv's teachings when considered together with this reference.
Taken in this light, it is apparent to us that the artisan
would have found it obvious to have combined the teachings of Kuo
into those of Aviv to further enhance the ability of Aviv's
system to provide more valid and accurate elevated perspective
information for his surveillance system. Indeed, one of the
major aims of Kuo is to provide improved accuracy of digital
elevation information as expressed in Kuo's Summary of the
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