Upgrading projective structure to
Planes and epipolar geometry
Distinguished planes and
be a homography between two images through a plane
. Thus we have (projectively)
is a valid decomposition, then so is
is an arbitrary 3 vector.
Thus, the most general projection matrices consistent with
This is four parameter family,
is an arbitrary scalar.
is a projective transformation of the plane
represented by the four vector
, since for points on this plane
Thus, the choice of
corresponds to which actual plane in 3-space is
Subhashis Banerjee 2008-01-21