Reconstructing the Coordinates of Surface Points of an Object with a Set of Images of Its Shadow

摘要

A solution of the problem of reconstructing the coordinates of a 3-D-object from parallel projections in the form of its shadows is considered. It is shown that the conjugate points required for the reconstruction are located on the extreme line which passes through these projections, the line. An algorithm is developed to detect conjugate points lying on the contours of shadows.