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<p><b>Abstract</b>—We present techniques for matching point-sets in two and three dimensions under rigid-body transformations. We prove bounds on the worst-case performance of these algorithms to be within a small constant factor of optimal and conduct experiments to show that the average performance of these matching algorithms is often better than that predicted by the worst-case bounds.</p>
Hausdorff distance, pattern matching, registration.

M. W. Orletsky, M. T. Goodrich and J. S. Mitchell, "Approximate Geometric Pattern Matching Under Rigid Motions," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 21, no. , pp. 371-379, 1999.
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