Appeal No. 1997-4052
Application 08/479,893
Margalit et al. (Margalit), “Using Probabilistic Domain Knowledge
to Reduce the Expected Computational Cost of Template Matching”,
Computer Vision, Graphics and Image Processing, September 1990,
v.51, n.3, pp. 219-234.
The appealed claims stand rejected under 35 U.S.C. § 103 as
being unpatentable over Miller in view of Liu and Margalit.
The respective positions of the examiner and the appellant
with regard to the propriety of these rejections are set forth in
the final rejection (Paper No. 17) and the examiner’s answer
(Paper No. 22), and the appellant’s brief (Paper No. 21).
Appellant’s Invention
Appellant calculates a first value representing a variation
between image data at locations on three different 2-D images of
the 3-D region at which each point would appear if the point in
the 3-D region were visible in the 2-D image. A second value is
calculated
from the first value, wherein the second value represents a
probability that if each point lay on a visible surface in the 3-D
region, the first value would result. Next, a visibility
attribute is assigned to each point in the 3-D region in
accordance with the second value and visible characteristics of
3
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