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Motion estimation under orthographic projection Hu, X. Ahuja, N. Some new results for
the problem of motion estimation under orthographic projection are presented.
Some basic results obtained by previous researchers are refined and more
detailed and precise results are provided. It is shown that, in the two-view
problem, when the rotation is around the optical axis, the motion (but not
the structure) is uniquely determined. In the three-view problem, only under
certain conditions are the motion and structure uniquely determined. For any
motion problem, if two-view matching cannot determine the motion, only under
certain conditions can three-view or multiview
matching help. Full Text: PDF 2.548MB |