A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR

Video synthetic aperture radar (Video-SAR) allows continuous and intuitive observation and is widely used for radar moving target tracking. The shadow of a moving target has the characteristics of stable scattering and no location shift, making moving target tracking using shadows a hot topic. Howev...

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Autores principales:	Jinyu Bao, Xiaoling Zhang, Tianwen Zhang, Jun Shi, Shunjun Wei
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	video synthetic aperture radar (Video-SAR) moving target tracking guided anchor Siamese network (GASN) Science Q
Acceso en línea:	https://doaj.org/article/8b1b095d3d6b49d096add92502eca669
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id	oai:doaj.org-article:8b1b095d3d6b49d096add92502eca669
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spelling	oai:doaj.org-article:8b1b095d3d6b49d096add92502eca6692021-11-25T18:53:46ZA Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR10.3390/rs132245042072-4292https://doaj.org/article/8b1b095d3d6b49d096add92502eca6692021-11-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/22/4504https://doaj.org/toc/2072-4292Video synthetic aperture radar (Video-SAR) allows continuous and intuitive observation and is widely used for radar moving target tracking. The shadow of a moving target has the characteristics of stable scattering and no location shift, making moving target tracking using shadows a hot topic. However, the existing techniques mainly rely on the appearance of targets, which is impractical and costly, especially for tracking targets of interest (TOIs) with high diversity and arbitrariness. Therefore, to solve this problem, we propose a novel guided anchor Siamese network (GASN) dedicated to arbitrary TOI tracking in Video-SAR. First, GASN searches for matching areas in the subsequent frames with the initial area of the TOI in the first frame are conducted, returning the most similar area using a matching function, which is learned from general training without TOI-related data. With the learned matching function, GASN can be used to track arbitrary TOIs. Moreover, we also constructed a guided anchor subnetwork, referred to as GA-SubNet, which employs the prior information of the first frame and generates sparse anchors of the same shape as the TOIs. The number of unnecessary anchors is therefore reduced to suppress false alarms. Our method was evaluated on simulated and real Video-SAR data. The experimental results demonstrated that GASN outperforms state-of-the-art methods, including two types of traditional tracking methods (MOSSE and KCF) and two types of modern deep learning techniques (Siamese-FC and Siamese-RPN). We also conducted an ablation experiment to demonstrate the effectiveness of GA-SubNet.Jinyu BaoXiaoling ZhangTianwen ZhangJun ShiShunjun WeiMDPI AGarticlevideo synthetic aperture radar (Video-SAR)moving target trackingguided anchor Siamese network (GASN)ScienceQENRemote Sensing, Vol 13, Iss 4504, p 4504 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	video synthetic aperture radar (Video-SAR) moving target tracking guided anchor Siamese network (GASN) Science Q
spellingShingle	video synthetic aperture radar (Video-SAR) moving target tracking guided anchor Siamese network (GASN) Science Q Jinyu Bao Xiaoling Zhang Tianwen Zhang Jun Shi Shunjun Wei A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
description	Video synthetic aperture radar (Video-SAR) allows continuous and intuitive observation and is widely used for radar moving target tracking. The shadow of a moving target has the characteristics of stable scattering and no location shift, making moving target tracking using shadows a hot topic. However, the existing techniques mainly rely on the appearance of targets, which is impractical and costly, especially for tracking targets of interest (TOIs) with high diversity and arbitrariness. Therefore, to solve this problem, we propose a novel guided anchor Siamese network (GASN) dedicated to arbitrary TOI tracking in Video-SAR. First, GASN searches for matching areas in the subsequent frames with the initial area of the TOI in the first frame are conducted, returning the most similar area using a matching function, which is learned from general training without TOI-related data. With the learned matching function, GASN can be used to track arbitrary TOIs. Moreover, we also constructed a guided anchor subnetwork, referred to as GA-SubNet, which employs the prior information of the first frame and generates sparse anchors of the same shape as the TOIs. The number of unnecessary anchors is therefore reduced to suppress false alarms. Our method was evaluated on simulated and real Video-SAR data. The experimental results demonstrated that GASN outperforms state-of-the-art methods, including two types of traditional tracking methods (MOSSE and KCF) and two types of modern deep learning techniques (Siamese-FC and Siamese-RPN). We also conducted an ablation experiment to demonstrate the effectiveness of GA-SubNet.
format	article
author	Jinyu Bao Xiaoling Zhang Tianwen Zhang Jun Shi Shunjun Wei
author_facet	Jinyu Bao Xiaoling Zhang Tianwen Zhang Jun Shi Shunjun Wei
author_sort	Jinyu Bao
title	A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
title_short	A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
title_full	A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
title_fullStr	A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
title_full_unstemmed	A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR
title_sort	novel guided anchor siamese network for arbitrary target-of-interest tracking in video-sar
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8b1b095d3d6b49d096add92502eca669
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A Novel Guided Anchor Siamese Network for Arbitrary Target-of-Interest Tracking in Video-SAR

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