Assessment of CNN-Based Models for Odometry Estimation Methods with LiDAR

Miguel Clavijo (), Felipe Jiménez, Francisco Serradilla and Alberto Díaz-Álvarez
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Miguel Clavijo: University Institute for Automobile Research (INSIA), Campus Sur UPM, Universidad Politécnica de Madrid (UPM), 28031 Madrid, Spain
Felipe Jiménez: University Institute for Automobile Research (INSIA), Campus Sur UPM, Universidad Politécnica de Madrid (UPM), 28031 Madrid, Spain
Francisco Serradilla: University Institute for Automobile Research (INSIA), Campus Sur UPM, Universidad Politécnica de Madrid (UPM), 28031 Madrid, Spain
Alberto Díaz-Álvarez: University Institute for Automobile Research (INSIA), Campus Sur UPM, Universidad Politécnica de Madrid (UPM), 28031 Madrid, Spain

Mathematics, 2022, vol. 10, issue 18, 1-19

Abstract: The problem of simultaneous localization and mapping (SLAM) in mobile robotics currently remains a crucial issue to ensure the safety of autonomous vehicles’ navigation. One approach addressing the SLAM problem and odometry estimation has been through perception sensors, leading to V-SLAM and visual odometry solutions. Furthermore, for these purposes, computer vision approaches are quite widespread, but LiDAR is a more reliable technology for obstacles detection and its application could be broadened. However, in most cases, definitive results are not achieved, or they suffer from a high computational load that limits their operation in real time. Deep Learning techniques have proven their validity in many different fields, one of them being the perception of the environment of autonomous vehicles. This paper proposes an approach to address the estimation of the ego-vehicle positioning from 3D LiDAR data, taking advantage of the capabilities of a system based on Machine Learning models, analyzing possible limitations. Models have been used with two real datasets. Results provide the conclusion that CNN-based odometry could guarantee local consistency, whereas it loses accuracy due to cumulative errors in the evaluation of the global trajectory, so global consistency is not guaranteed.

Keywords: visual odometry; LiDAR; navigation; convolutional neural network (CNN) (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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