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Road Markings Segmentation from LIDAR Point Clouds using Reflectivity Information

2022-11-02 13:27:16
Novel Certad, Walter Morales-Alvarez, Cristina Olaverri-Monreal
arXiv_RO
         
Abstract

Lane detection algorithms are crucial for the development of autonomous vehicles technologies. The more extended approach is to use cameras as sensors. However, LIDAR sensors can cope with weather and light conditions that cameras can not. In this paper, we introduce a method to extract road markings from the reflectivity data of a 64-layers LIDAR sensor. First, a plane segmentation method along with region grow clustering was used to extract the road plane. Then we applied an adaptive thresholding based on Otsu s method and finally, we fitted line models to filter out the remaining outliers. The algorithm was tested on a test track at 60km/h and a highway at 100km/h. Results showed the algorithm was reliable and precise. There was a clear improvement when using reflectivity data in comparison to the use of the raw intensity data both of them provided by the LIDAR sensor.

Abstract (translated)

URL

https://arxiv.org/abs/2211.01105

PDF

https://arxiv.org/pdf/2211.01105.pdf

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