Graphics Reference
In-Depth Information
Fig. 1.6
Left
: Image of the calibration rig under unfavourable illumination conditions which may,
however, occur in real-world environments such as industrial production facilities.
Right
: Resulting
cross-correlation coefficient
Fig. 1.7
Results of the first two topological filters and the corner enumeration. The images display
an enlargement of the relevant part of Fig.
1.6
, demonstrating the performance of the processing
steps under difficult conditions. The
asterisks
denote the direction of the edges. (
a
) Initial graph.
(
b
) Graph without non-bidirectional edges. (
c
) Graph containing
circles
only. (
d
) Final corner
enumeration
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