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Article Dans Une Revue IEEE Robotics and Automation Letters Année : 2023

Complete closed-form and accurate solution to pose estimation from 3D correspondences

Résumé

Computing the pose from 3D data acquired in two different frames is of high importance for several robotic tasks like odometry, SLAM and place recognition. The pose is generally obtained by solving a least-squares problem given points-to-points, points-to-planes or points to lines correspondences. The non-linear least-squares problem can be solved by iterative optimization or, more efficiently, in closed-form by using solvers of polynomial systems. In this paper, a complete and accurate closed-form solution for a weighted least-squares problem is proposed. Adding weights for each correspondence allow to increase robustness to outliers. Contrary to existing methods, the proposed approach is complete since it is able to solve the problem in any non-degenerate case and it is accurate since it is guaranteed to find the global optimal estimate of the weighted least-squares problem. Simulations and experiments on real data demonstrate the superior accuracy and robustness of the proposed algorithm compared to previous approaches.
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hal-03957104 , version 1 (26-01-2023)

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Ezio Malis. Complete closed-form and accurate solution to pose estimation from 3D correspondences. IEEE Robotics and Automation Letters, 2023, 8 (3), pp.1786 - 1793. ⟨10.1109/LRA.2023.3240941⟩. ⟨hal-03957104⟩
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