As soon as the structure of the block is computed, the
MultiUAVMatcher is activated. This is based on a newly
developed matching logics to avoid search for correspondences
with non-overlapping images. The component is to ensure
matching only with neighbouring images, which is a rather
complex task, given the partly extremely high forward- and
side-overlaps as well the big deviations due to wind conditions.
The matching logics is following the principle of a structural
element in morphological operations moving over a matrix
which describes the block structure (Figure 10). It can check
which pairs of images have been already matched to avoid
incorrect weighting of single images.