3.7. Structure and Motion Π
In this section, we discuss the problem of structure and motion recovery from a more practical point of view. We present an approach to automatically build up the projective structure and motion from a sequence of images. The presented approach is sequential, which offers the advantage that corresponding features are not required to be visible in all views.
We assume that for each pair of consecutive views we are given a set of potentially corresponding feature points. The feature points are typically obtained by using a corner detector [19]. If the images are not too widely separated, corresponding features can be identified by comparing the local intensity neighborhoods of the feature points on a pixel-by-pixel basis. ...
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