Vehicles and people recognition using laser scanner based on machine learning

Moving-object tracking (estimating position and velocity of moving objects) is a key technology for autonomous driving systems and driving assistance systems in mobile robotics and vehicle automation domains. To predict and avoid collisions, the tracking system has to identify objects as accurately...

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Main Authors: Zhenyu LIN, Masafumi HASHIMOTO, Kenta TAKIGAWA, Kazuhiko TAKAHASHI
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2018-11-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/84/868/84_18-00090/_pdf/-char/en
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author Zhenyu LIN
Masafumi HASHIMOTO
Kenta TAKIGAWA
Kazuhiko TAKAHASHI
author_facet Zhenyu LIN
Masafumi HASHIMOTO
Kenta TAKIGAWA
Kazuhiko TAKAHASHI
author_sort Zhenyu LIN
collection DOAJ
description Moving-object tracking (estimating position and velocity of moving objects) is a key technology for autonomous driving systems and driving assistance systems in mobile robotics and vehicle automation domains. To predict and avoid collisions, the tracking system has to identify objects as accurately as possible. This paper presents a method for recognizing vehicles (cars and bicyclists) and people using a 64-layer ground laser scanner. When laser-scanned data are captured by the laser scanner, laser-measurement points related to objects are extracted by the background subtraction method and are clustered. Eight-dimensional features are extracted from each of clustered laser-scanned data, such as distance from the laser scanner, velocity, object size, number of laser-measurement points, and distribution of the reflection intensities. The machine learning methods (support vector machine (SVM) and random forests (RF)) are applied to classify cars, bicyclists, and people from these features. The experimental results using “The Stanford Track Collection” data set show that the classification accuracy using the SVM-based method is higher than the RF-based method. In addition, they show that the use of the proposed eight-dimensional features provides better classification accuracy and shorter processing time than the use of the conventional 26-dimensional features.
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spelling doaj.art-520f3672853946849994f1897209b71c2022-12-22T04:35:11ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612018-11-018486818-0009018-0009010.1299/transjsme.18-00090transjsmeVehicles and people recognition using laser scanner based on machine learningZhenyu LIN0Masafumi HASHIMOTO1Kenta TAKIGAWA2Kazuhiko TAKAHASHI3Graduate School of Doshisha UniversityFaculty of Science and Engineering, Doshisha UniversityGraduate School of Doshisha UniversityFaculty of Science and Engineering, Doshisha UniversityMoving-object tracking (estimating position and velocity of moving objects) is a key technology for autonomous driving systems and driving assistance systems in mobile robotics and vehicle automation domains. To predict and avoid collisions, the tracking system has to identify objects as accurately as possible. This paper presents a method for recognizing vehicles (cars and bicyclists) and people using a 64-layer ground laser scanner. When laser-scanned data are captured by the laser scanner, laser-measurement points related to objects are extracted by the background subtraction method and are clustered. Eight-dimensional features are extracted from each of clustered laser-scanned data, such as distance from the laser scanner, velocity, object size, number of laser-measurement points, and distribution of the reflection intensities. The machine learning methods (support vector machine (SVM) and random forests (RF)) are applied to classify cars, bicyclists, and people from these features. The experimental results using “The Stanford Track Collection” data set show that the classification accuracy using the SVM-based method is higher than the RF-based method. In addition, they show that the use of the proposed eight-dimensional features provides better classification accuracy and shorter processing time than the use of the conventional 26-dimensional features.https://www.jstage.jst.go.jp/article/transjsme/84/868/84_18-00090/_pdf/-char/enobject recognitionmultilayer laser scannermachine learningsupport vector machinerandom forestlow-dimensional featuresmulticlass classfication
spellingShingle Zhenyu LIN
Masafumi HASHIMOTO
Kenta TAKIGAWA
Kazuhiko TAKAHASHI
Vehicles and people recognition using laser scanner based on machine learning
Nihon Kikai Gakkai ronbunshu
object recognition
multilayer laser scanner
machine learning
support vector machine
random forest
low-dimensional features
multiclass classfication
title Vehicles and people recognition using laser scanner based on machine learning
title_full Vehicles and people recognition using laser scanner based on machine learning
title_fullStr Vehicles and people recognition using laser scanner based on machine learning
title_full_unstemmed Vehicles and people recognition using laser scanner based on machine learning
title_short Vehicles and people recognition using laser scanner based on machine learning
title_sort vehicles and people recognition using laser scanner based on machine learning
topic object recognition
multilayer laser scanner
machine learning
support vector machine
random forest
low-dimensional features
multiclass classfication
url https://www.jstage.jst.go.jp/article/transjsme/84/868/84_18-00090/_pdf/-char/en
work_keys_str_mv AT zhenyulin vehiclesandpeoplerecognitionusinglaserscannerbasedonmachinelearning
AT masafumihashimoto vehiclesandpeoplerecognitionusinglaserscannerbasedonmachinelearning
AT kentatakigawa vehiclesandpeoplerecognitionusinglaserscannerbasedonmachinelearning
AT kazuhikotakahashi vehiclesandpeoplerecognitionusinglaserscannerbasedonmachinelearning