Abstract
A method is presentedfor the recovery of the three-dimen sional translation of a rigtdly translating object. The novelty of the method consists of the fact that four cameras are used in order to avoid the solution of the correspondence problem. The method is immune to low levels of noise and has good behavior when the noise increases. The noise immunity is so high that even though the algorithm is intended only for translating objects, its accuracy is very high even if the object is also rotating (with a small rotation) around an axis pass ing through its center of mass. We provide a theoretical analysis of the robustness of our algorithm and present ex perimental results from the application of the theory to syn thetic and real images.
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