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Radar Artifact Labeling Framework (RALF): Method for Plausible Radar Detections in Datasets

Topics: Autonomous Vehicles and Automated Driving; Big Data & Vehicle Analytics; Cognitive and Context-Aware Intelligence; Parking Management and Electronic Parking; Pattern Recognition for Vehicles; Traffic and Vehicle Data Collection and Processing; Vision and Image Processing

Authors: Simon T. Isele 1 ; 2 ; Marcel P. Schilling 1 ; 3 ; Fabian E. Klein 1 ; Sascha Saralajew 4 and J. Marius Zoellner 5 ; 2

Affiliations: 1 Dr. Ing. h.c. F. Porsche AG, Weissach, Germany ; 2 Institute of Applied Informatics and Formal Description Methods, Karlsruhe Institute of Technology, Karlsruhe, Germany ; 3 Institute for Automation and Applied Informatics, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany ; 4 Bosch Center for Artificial Intelligence, Renningen, Germany ; 5 FZI Research Center for Information Technology, Karlsruhe, Germany

Keyword(s): Radar Point Cloud, Radar De-noising, Automated Labeling, Dataset Generation.

Abstract: Research on localization and perception for Autonomous Driving is mainly focused on camera and LiDAR datasets, rarely on radar data. Manually labeling sparse radar point clouds is challenging. For a dataset generation, we propose the cross sensor Radar Artifact Labeling Framework (RALF). Automatically generated labels for automotive radar data help to cure radar shortcomings like artifacts for the application of artificial intelligence. RALF provides plausibility labels for radar raw detections, distinguishing between artifacts and targets. The optical evaluation backbone consists of a generalized monocular depth image estimation of surround view cameras plus LiDAR scans. Modern car sensor sets of cameras and LiDAR allow to calibrate image-based relative depth information in overlapping sensing areas. K-Nearest Neighbors matching relates the optical perception point cloud with raw radar detections. In parallel, a temporal tracking evaluation part considers the radar detections’ trans ient behavior. Based on the distance between matches, respecting both sensor and model uncertainties, we propose a plausibility rating of every radar detection. We validate the results by evaluating error metrics on semi-manually labeled ground truth dataset of 3.28·106 points. Besides generating plausible radar detections, the framework enables further labeled low-level radar signal datasets for applications of perception and Autonomous Driving learning tasks. (More)

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Paper citation in several formats:
Isele, S.; Schilling, M.; Klein, F.; Saralajew, S. and Zoellner, J. (2021). Radar Artifact Labeling Framework (RALF): Method for Plausible Radar Detections in Datasets. In Proceedings of the 7th International Conference on Vehicle Technology and Intelligent Transport Systems - VEHITS; ISBN 978-989-758-513-5; ISSN 2184-495X, SciTePress, pages 22-33. DOI: 10.5220/0010395100220033

@conference{vehits21,
author={Simon T. Isele. and Marcel P. Schilling. and Fabian E. Klein. and Sascha Saralajew. and J. Marius Zoellner.},
title={Radar Artifact Labeling Framework (RALF): Method for Plausible Radar Detections in Datasets},
booktitle={Proceedings of the 7th International Conference on Vehicle Technology and Intelligent Transport Systems - VEHITS},
year={2021},
pages={22-33},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010395100220033},
isbn={978-989-758-513-5},
issn={2184-495X},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Vehicle Technology and Intelligent Transport Systems - VEHITS
TI - Radar Artifact Labeling Framework (RALF): Method for Plausible Radar Detections in Datasets
SN - 978-989-758-513-5
IS - 2184-495X
AU - Isele, S.
AU - Schilling, M.
AU - Klein, F.
AU - Saralajew, S.
AU - Zoellner, J.
PY - 2021
SP - 22
EP - 33
DO - 10.5220/0010395100220033
PB - SciTePress