Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data

Accurate detection and tracking of birds and drones are of great significance in various low altitude airspace surveillance scenarios. Radar is currently the most proper long range surveillance technology for this problem but also challenged by various difficulties on effective distinguishing betwee...

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Main Authors: Jia Liu, Qun Yu Xu, Wei Shi Chen
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9626001/
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author Jia Liu
Qun Yu Xu
Wei Shi Chen
author_facet Jia Liu
Qun Yu Xu
Wei Shi Chen
author_sort Jia Liu
collection DOAJ
description Accurate detection and tracking of birds and drones are of great significance in various low altitude airspace surveillance scenarios. Radar is currently the most proper long range surveillance technology for this problem but also challenged by various difficulties on effective distinguishing between birds and drones. This paper explores the inherent flight mechanic and behavior mode of birds and drones. A target classification method is proposed by extracting target motion characteristics from radar tracks. The random forest model is selected for target classification in the new feature space. The proposed method is verified by real bird surveillance radar systems deployed in airport region. Classification results on birds, quadcopter drones and dynamic precipitations indicate that the proposed method could provide good classification accuracy. The Gini importance descriptors in random forest model provide extra reference on motion characteristic evaluation and mining. High sample flexibility and efficiency make the classification system capable of handling complicated low altitude target surveillance and classification problems. Limitations of the existing method and potential optimization strategy are also discussed as future works.
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spelling doaj.art-67df5b3e6a1c45abb11fa43f3401f2892022-12-21T21:32:23ZengIEEEIEEE Access2169-35362021-01-01916013516014410.1109/ACCESS.2021.31302319626001Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar DataJia Liu0https://orcid.org/0000-0001-8841-1784Qun Yu Xu1Wei Shi Chen2Research Institute for Frontier Science, Beihang University, Beijing, ChinaResearch Institute of Civil Aviation Law, Regulation and Standardization, China Academy of Civil Aviation Science and Technology, Beijing, ChinaAirport Research Institute, China Academy of Civil Aviation Science and Technology, Beijing, ChinaAccurate detection and tracking of birds and drones are of great significance in various low altitude airspace surveillance scenarios. Radar is currently the most proper long range surveillance technology for this problem but also challenged by various difficulties on effective distinguishing between birds and drones. This paper explores the inherent flight mechanic and behavior mode of birds and drones. A target classification method is proposed by extracting target motion characteristics from radar tracks. The random forest model is selected for target classification in the new feature space. The proposed method is verified by real bird surveillance radar systems deployed in airport region. Classification results on birds, quadcopter drones and dynamic precipitations indicate that the proposed method could provide good classification accuracy. The Gini importance descriptors in random forest model provide extra reference on motion characteristic evaluation and mining. High sample flexibility and efficiency make the classification system capable of handling complicated low altitude target surveillance and classification problems. Limitations of the existing method and potential optimization strategy are also discussed as future works.https://ieeexplore.ieee.org/document/9626001/Target detectionradar trackingtarget classificationfeature extractionmachine learning
spellingShingle Jia Liu
Qun Yu Xu
Wei Shi Chen
Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
IEEE Access
Target detection
radar tracking
target classification
feature extraction
machine learning
title Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
title_full Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
title_fullStr Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
title_full_unstemmed Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
title_short Classification of Bird and Drone Targets Based on Motion Characteristics and Random Forest Model Using Surveillance Radar Data
title_sort classification of bird and drone targets based on motion characteristics and random forest model using surveillance radar data
topic Target detection
radar tracking
target classification
feature extraction
machine learning
url https://ieeexplore.ieee.org/document/9626001/
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