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- W4280488575 abstract "Using pole and plane objects in lidar SLAM can increase accuracy and decrease map storage requirements compared to commonly-used point cloud maps. However, place recognition and geometric verification using these landmarks is challenging due to the requirement for global matching without an initial guess. Existing works typically only leverage either pole or plane landmarks, limiting application to a restricted set of environments. We present a global data association method for loop closure in lidar scans using 3D line and plane objects simultaneously and in a unified manner. The main novelty of this paper is in the representation of line and plane objects extracted from lidar scans on the manifold of affine subspaces, known as the affine Grassmannian. Line and plane correspondences are matched using our graph-based data association framework and subsequently registered in the least-squares sense. Compared to pole-only approaches and plane-only approaches, our 3D affine Grassmannian method yields a 71% and 325% increase respectively to loop closure recall at 100% precision on the KITTI dataset and can provide frame alignment with less than 10 cm and 1 deg of error." @default.
- W4280488575 created "2022-05-22" @default.
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- W4280488575 date "2022-05-17" @default.
- W4280488575 modified "2023-09-23" @default.
- W4280488575 title "Global Data Association for SLAM with 3D Grassmannian Manifold Objects" @default.
- W4280488575 doi "https://doi.org/10.48550/arxiv.2205.08556" @default.
- W4280488575 hasPublicationYear "2022" @default.
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