  We present a generalization of multiview varieties as closures of images
obtained by projecting subspaces of a given dimension onto several views, from
the photographic and geometric points of view. Motivated by applications in
Computer Vision for triangulation of world features, we investigate when the
associated projection map is generically injective; an essential requirement
for successful triangulation. We give a complete characterization of this
property by determining two formulae for the dimensions of these varieties.
Similarly, we describe for which center arrangements calibration of camera
parameters is possible. We explore when the multiview variety is naturally
isomorphic to its associated blowup. In the case of generic centers, we give a
precise formula for when this occurs.
