CU-Multi: A Dataset for Multi-Robot Collaborative Perception

Fuente: arXiv
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Main Authors: Albin, Doncey, McGann, Daniel, Mena, Miles, Thomas, Annika, Biggie, Harel, Sun, Xuefei, McGuire, Steve, How, Jonathan P., Heckman, Christoffer
Format: Preprint
Published: 2025
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author Albin, Doncey
McGann, Daniel
Mena, Miles
Thomas, Annika
Biggie, Harel
Sun, Xuefei
McGuire, Steve
How, Jonathan P.
Heckman, Christoffer
author_facet Albin, Doncey
McGann, Daniel
Mena, Miles
Thomas, Annika
Biggie, Harel
Sun, Xuefei
McGuire, Steve
How, Jonathan P.
Heckman, Christoffer
contents A central challenge for multi-robot systems is fusing independently gathered perception data into a unified representation. Despite progress in Collaborative SLAM (C-SLAM), benchmarking remains hindered by the scarcity of dedicated multi-robot datasets. Many evaluations instead partition single-robot trajectories, a practice that may only partially reflect true multi-robot operations and, more critically, lacks standardization, leading to results that are difficult to interpret or compare across studies. While several multi-robot datasets have recently been introduced, they mostly contain short trajectories with limited inter-robot overlap and sparse intra-robot loop closures. To overcome these limitations, we introduce CU-Multi, a dataset collected over multiple days at two large outdoor sites on the University of Colorado Boulder campus. CU-Multi comprises four synchronized runs with aligned start times and controlled trajectory overlap, replicating the distinct perspectives of a robot team. It includes RGB-D sensing, RTK GPS, semantic LiDAR, and refined ground-truth odometry. By combining overlap variation with dense semantic annotations, CU-Multi provides a strong foundation for reproducible evaluation in multi-robot collaborative perception tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2509_19463
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle CU-Multi: A Dataset for Multi-Robot Collaborative Perception
Albin, Doncey
McGann, Daniel
Mena, Miles
Thomas, Annika
Biggie, Harel
Sun, Xuefei
McGuire, Steve
How, Jonathan P.
Heckman, Christoffer
Robotics
A central challenge for multi-robot systems is fusing independently gathered perception data into a unified representation. Despite progress in Collaborative SLAM (C-SLAM), benchmarking remains hindered by the scarcity of dedicated multi-robot datasets. Many evaluations instead partition single-robot trajectories, a practice that may only partially reflect true multi-robot operations and, more critically, lacks standardization, leading to results that are difficult to interpret or compare across studies. While several multi-robot datasets have recently been introduced, they mostly contain short trajectories with limited inter-robot overlap and sparse intra-robot loop closures. To overcome these limitations, we introduce CU-Multi, a dataset collected over multiple days at two large outdoor sites on the University of Colorado Boulder campus. CU-Multi comprises four synchronized runs with aligned start times and controlled trajectory overlap, replicating the distinct perspectives of a robot team. It includes RGB-D sensing, RTK GPS, semantic LiDAR, and refined ground-truth odometry. By combining overlap variation with dense semantic annotations, CU-Multi provides a strong foundation for reproducible evaluation in multi-robot collaborative perception tasks.
title CU-Multi: A Dataset for Multi-Robot Collaborative Perception
topic Robotics
url https://arxiv.org/abs/2509.19463