Eyes on the Prize: Improved Registration via Forward Propagation

12/27/2018
by   Robert J. Ravier, et al.
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We develop a robust method for improving pairwise correspondences for a collection of shapes in a metric space. Given a collection f_ji: S_i→ S_j of correspondences, we use a simple metric condition, which has a natural interpretation when considering the analogy of parallel transport, to construct a Gibbs measure on the space of correspondences between any pair of shapes that are generated by the f_ji. We demonstrate that this measure can be used to more accurately compute correspondences between feature points compared to currently employed, less robust methods. As an application, we use our results to propose a novel method for computing homeomorphisms between pairs of shapes that are similar to one another after alignment.

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