An Efficient Compression Method of Underwater Acoustic Sensor Signals for Underwater Surveillance [PDF]
Sensors, 2022 In this paper, we propose a new compression method using underwater acoustic sensor signals for underwater surveillance. Generally, sonar applications that are used for surveillance or ocean monitoring are composed of many underwater acoustic sensors to ...
Yong Guk Kim +5 more
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Route Optimization for Active Sonar in Underwater Surveillance [PDF]
SensorsMultistatic sonar networks (MSNs) have emerged as a powerful approach for enhancing underwater surveillance capabilities. Different from monostatic sonar systems which use collocated sources and receivers, MSNs consist of spatially distributed and ...
Mehmet Gokhan Metin +2 more
doaj +3 more sources
Novelty Detection in Underwater Acoustic Environments for Maritime Surveillance Using an Out-of-Distribution Detector for Neural Networks [PDF]
SensorsReliable detection of unknown signals is essential for ensuring the robustness of underwater acoustic sensing systems, particularly in maritime security and autonomous navigation.
Nayeon Kim +4 more
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Underwater surveillance in non-Gaussian noisy environment [PDF]
Measurement + Control, 2020 The aim of this paper is to evaluate the performance of different filtering algorithms in the presence of non-Gaussian noise environment for tracking underwater targets, using Doppler frequency and bearing measurements.
B Omkar Lakshmi Jagan, S Koteswara Rao
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Underwater Magnetic Sensors Network [PDF]
SensorsThis study explores the design and performance of an underwater magnetic sensor network (UMSN) tailored for intrusion detection in complex environments such as riverbeds and areas with dense vegetation.
Arkadiusz Adamczyk +3 more
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Cooperative robotic networks for underwater surveillance: an overview
IET Radar, Sonar & Navigation, 2017 Underwater surveillance has traditionally been carried out by means of surface and undersea manned vessels equipped with advanced sensor systems. This approach is often costly and manpower intensive. Marine robotics is an emerging technological area that
Gabriele Ferri* +9 more
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Adaptive contextual memory network for enhanced communication and efficiency in the internet of underwater things [PDF]
Scientific ReportsThe Internet of Underwater Things (IoUT) is becoming increasingly critical in navigation and the investigation of aquatic environments, providing solutions for real-time data acquisition and interaction within underwater environments.
V. Padmavathi, R. Kanimozhi
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UIGen: a hybrid framework for underwater image encryption based on evolutionary chaotic system and multi-domain transformation [PDF]
Scientific ReportsUnderwater images play a crucial role in advancing marine research, enhancing surveillance and ensuring secure communication. However, underwater image security is a significant concern due to the unique transmission and distortion vulnerabilities ...
Prateek Khokhar +2 more
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Determination of Process Noise for Underwater Target Tracking with Forward Looking Sonar
Remote Sensing, 2021 Target tracking is a process that provides information about targets in a specific area and is one of the key issues affecting the safety of any vehicle navigating in water.
Witold Kazimierski, Grzegorz Zaniewicz
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Marine Robots for Underwater Surveillance [PDF]
Current Robotics Reports, 2020 Abstract Purpose of Review The paper reviews the role of marine robots, in particular unmanned vehicles, in underwater surveillance, i.e. the control and monitoring of an area of competence aimed at identifying potential threats in support of homeland defence, antiterrorism, force protection and Explosive Ordnance Disposal (EOD).
Riccardo Costanzi +6 more
openaire +2 more sources