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Fig. 8.6
Three-dimensional reconstruction of lunar craters by combined shading and shadow anal-
ysis according to Sect.
5.2
. The original shading and shadow images are shown
on the left
, respec-
tively, along with the obtained three-dimensional surface profile and the corresponding rendered
images, given the same illumination conditions as used for shading and shadow analysis. (
a
)Outer
western rim of lunar crater Copernicus. (
b
) Inner eastern rim of lunar crater Copernicus. (
c
)Outer
eastern rim of lunar crater Wolf
Figure
8.6
a shows the three-dimensional surface reconstruction of the outer west-
ern rim of the lunar crater Copernicus, obtained by employing the technique outlined
in Sects.
5.2.1
and
5.2.2
that consists of selecting a shape from shading solution
consistent with shadow analysis in a first step and taking into account the detailed
shadow structure in a second step. The shading image alone does not reveal the
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