LiDAR-based curb detection for ground truth annotation in automated driving validation

• URL: http://arxiv.org/abs/2312.00534v2
• Date: Mon, 11 Dec 2023 10:29:54 GMT
• Title: LiDAR-based curb detection for ground truth annotation in automated driving validation
• Authors: Jose Luis Apell\'aniz, Mikel Garc\'ia, Nerea Aranjuelo, Javier Barandiar\'an, Marcos Nieto
• Abstract summary: This paper presents a method for detecting 3D curbs in a sequence of point clouds captured from a LiDAR sensor. A sequence-level processing step estimates the 3D curbs in the reconstructed point cloud using the odometry of the vehicle. These detections can be used as pre-annotations in labelling pipelines to efficiently generate curb-related ground truth data.
• Score: 2.954315548942922
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Curb detection is essential for environmental awareness in Automated Driving (AD), as it typically limits drivable and non-drivable areas. Annotated data are necessary for developing and validating an AD function. However, the number of public datasets with annotated point cloud curbs is scarce. This paper presents a method for detecting 3D curbs in a sequence of point clouds captured from a LiDAR sensor, which consists of two main steps. First, our approach detects the curbs at each scan using a segmentation deep neural network. Then, a sequence-level processing step estimates the 3D curbs in the reconstructed point cloud using the odometry of the vehicle. From these 3D points of the curb, we obtain polylines structured following ASAM OpenLABEL standard. These detections can be used as pre-annotations in labelling pipelines to efficiently generate curb-related ground truth data. We validate our approach through an experiment in which different human annotators were required to annotate curbs in a group of LiDAR-based sequences with and without our automatically generated pre-annotations. The results show that the manual annotation time is reduced by 50.99% thanks to our detections, keeping the data quality level.

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