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Target tracking is an important issue of social security. In order to track a target, traditionally a large amount of surveillance video data need to be uploaded into the cloud for processing and analysis, which put stremendous bandwidth…

Signal Processing · Electrical Eng. & Systems 2019-02-05 Yajun Liu , Congxu Zhu , Xiaoheng Deng , Peiyuan Guan , Zhiwen Wan , Jie Luo , Enlu Liu , Honggang Zhang

In this paper, we address the problem of autonomous search and vessel detection in an unknown GNSS-denied maritime environment with fixed-wing UAVs. The main challenge in such environments with limited localization, communication range, and…

Unmanned Aerial Vehicles (UAVs) have been increasingly used in the context of remote sensing missions such as target search and tracking, mapping, or surveillance monitoring. In the first part of our paper we consider agent dynamics,…

Dynamical Systems · Mathematics 2023-08-21 Richard Carney , Monique Chyba , Chris Gray , Corey Shanbrom , George Wilkens

Underwater sensor networks (UWSNs) are of interest to gather data from underwater sensor nodes (SNs) and deliver information to a terrestrial access point (AP) in the uplink transmission, and transfer data from the AP to the SNs in the…

Information Theory · Computer Science 2021-11-24 Pouya Agheli , Hamzeh Beyranvand , Mohammad Javad Emadi

In tracking radar, the sensing environment often varies significantly over a track duration due to the target's trajectory and dynamic interference. Adapting the radar's waveform using partial information about the state of the scene has…

Information Theory · Computer Science 2021-08-04 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Active sensing refers to the process of choosing or tuning a set of sensors in order to track an underlying system in an efficient and accurate way. In a wireless environment, among the several kinds of features extracted by traditional…

Information Theory · Computer Science 2016-05-30 Alessandro Biason , Urbashi Mitra , Michele Zorzi

Ultra-reliable underwater acoustic (UWA) communications serve as one of the key enabling technologies for future space-air-ground-underwater integrated networks. However, the reliability of current UWA transmission is still insufficient…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Xuehan Wang , Hengyu Zhang , Jintao Wang , Zhi Sun , Bo Ai

The tracking-by-detection framework requires a set of positive and negative training samples to learn robust tracking models for precise localization of target objects. However, existing tracking models mostly treat different samples…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Xiao Wang , Chenglong Li , Rui Yang , Tianzhu Zhang , Jin Tang , Bin Luo

This paper considers a bearings-only tracking problem using noisy measurements of unknown noise statistics from a passive sensor. It is assumed that the process and measurement noise follows the Gaussian distribution where the measurement…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Shreya Das , Kundan Kumar , Shovan Bhaumik

While acoustic communications have been considered the prominent technology to communicate under water for several years, other technologies are being developed based, e.g., on optical and radio-frequency electro-magnetic waves. Each…

Networking and Internet Architecture · Computer Science 2016-11-15 Roee Diamant , Paolo Casari , Filippo Campagnaro , Oleksiy Kebkal , Veronika Kebkal , Michele Zorzi

This study proposes a method for the real-time detection and recognition of targets in streetscape videos. The proposed method is based on separation confidence computation and scale synthesis optimization. We use the proposed method to…

Image and Video Processing · Electrical Eng. & Systems 2018-06-12 Liu Jian-min

A wireless acoustic sensor network records audio signals with sampling time and sampling rate offsets between the audio streams, if the analog-digital converters (ADCs) of the network devices are not synchronized. Here, we introduce a new…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-26 Tobias Gburrek , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

Underwater Camouflaged Object Detection (UCOD) is a challenging task due to the extreme visual similarity between targets and backgrounds across varying marine depths. Existing methods often struggle with topological fragmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Wenji Wu , Shuo Ye , Yiyu Liu , Jiguang He , Zhuo Wang , Zitong Yu

Wireless underground sensor networks play an important role in underground sensing such as climate-smart agriculture and underground infrastructure monitoring. Existing works consider a static underground environment, which is not practical…

Signal Processing · Electrical Eng. & Systems 2019-10-29 Hongzhi Guo , Bincy Ben

This study presents a bio inspired signal processing framework for robust Underwater Acoustic Target Recognition (UATR). The latest state of the art methods often fail to resolve dense low frequency harmonic structures in vessel propulsion…

Sound · Computer Science 2026-05-07 Rajeshwar Tripathi , Sandeep Kumar , Monika Aggarwal , Neel Kanth Kundu

Disruption Tolerant Networks (DTNs) are employed in applications where the network is likely to be disrupted due to environmental conditions or where the network topology makes it impossible to find a direct route from the sender to the…

Networking and Internet Architecture · Computer Science 2019-05-13 Arnav Dhamija

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

Information Theory · Computer Science 2024-04-10 Mamady Delamou , El Mehdi Amhoud

Human beings can perceive a target sound type from a multi-source mixture signal by the selective auditory attention, however, such functionality was hardly ever explored in machine hearing. This paper addresses the target sound detection…

Sound · Computer Science 2022-07-08 Dongchao Yang , Helin Wang , Yuexian Zou , Fan Cui , Yujun Wang

Anomaly detection has various applications including condition monitoring and fault diagnosis. The objective is to sense the environment, learn the normal system state, and then periodically classify whether the instantaneous state deviates…

Information Theory · Computer Science 2015-12-16 Kiril Ralinovski , Mario Goldenbaum , Sławomir Stańczak

Sixth-generation wireless communication (6G) will be an integrated architecture of "space, air, ground and sea". One of the most difficult part of this architecture is the underwater information acquisition which need to transmitt…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Hao Zhao , Fei Ji , Quansheng Guan , Qiang Li , Shuai Wang , Hefeng Dong , Miaowen Wen