DA-LMR: A Robust Lane Markings Representation for Data Association Methods
ArXiv(2021)
摘要
While complete localization approaches are widely studied in the literature, their data association and data representation subprocesses usually go unnoticed. However, both are a key part of the final pose estimation. In this work, we present DA-LMR (Delta-Angle Lane Markings Representation), a robust data representation in the context of localization approaches. We propose a representation of lane markings that encodes how a curve changes in each point and includes this information in an additional dimension, thus providing a more detailed geometric structure description of the data. We also propose DC-SAC (Distance-Compatible Sample Consensus), a data association method. This is a heuristic version of RANSAC that dramatically reduces the hypothesis space by distance compatibility restrictions. We compare the presented methods with some state-of-theart data representation and data association approaches in different noisy scenarios. The DA-LMR and DC-SAC produce the most promising combination among those compared, reaching 98.1% in precision and 99.7% in recall for noisy data with 0.5m of standard deviation.
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关键词
DA-LMR,complete localization approaches,data representation subprocesses,final pose estimation,robust data representation,geometric structure description,data association approaches,robust lane marking representation,delta-angle lane marking representation,distance-compatible sample consensus,DC-SAC,RANSAC
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