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Radar and Sonar Imaging and Processing [PDF]
Remote Sensing, 2020 The 21 papers (from 61 submitted) published in the Special Issue “Radar and Sonar Imaging Processing” highlighted a variety of topics related to remote sensing with radar and sonar sensors.
Andrzej Stateczny +2 more
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Compressive Underwater Sonar Imaging with Synthetic Aperture Processing
Remote Sensing, 2021 Synthetic aperture sonar (SAS) is a technique that acquires an underwater image by synthesizing the signal received by the sonar as it moves. By forming a synthetic aperture, the sonar overcomes physical limitations and shows superior resolution when ...
Ha-min Choi +2 more
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High‐angular‐ and range‐resolution imaging using MIMO sonar with two‐dimensional deconvolution
IET Radar, Sonar & Navigation, 2023 A real‐aperture high‐resolution imaging method utilising a multiple‐input multiple‐output (MIMO) sonar with two‐dimensional (2‐D) deconvolution processing is proposed.
Xionghou Liu +5 more
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Lightweight Underwater Sonar Object Detection via RGB-Guided Heterogeneous Distillation [PDF]
SensorsUnderwater object detection is a fundamental task in underwater sensing and is generally approached using either optical or sonar sensors. Although optical imaging provides rich semantic information, it is highly susceptible to water turbidity and ...
Qianqian Qiao +4 more
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Synthetic aperture imagery for high-resolution imaging sonar
Frontiers in Marine Science, 2022 Synthetic aperture sonar (SAS) can provide high-resolution underwater images. Traditional fast imaging algorithms designed for multi-receiver synthetic aperture sonar (MSAS) are complex because the point target reference spectrum (PTRS) deduction and ...
Pan Huang, Peixuan Yang
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Underwater Macroplastic Detection Using Imaging Sonars
Frontiers in Environmental Science, 2022 Plastic pollution in the ocean occurs mainly via riverine transport. In rivers, plastic is pervasive in sediments and in the water column. Monitoring of floating plastics in rivers is time consuming as it is usually collected using nets and classified by
Natasha Y. Flores +3 more
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Probabilistic 3D Reconstruction Using Two Sonar Devices
Sensors, 2022 Three-dimensional reconstruction is a crucial technique for mapping and object-search tasks, but it is challenging in sonar imaging because of the nature of acoustics.
Hangil Joe, Jason Kim, Son-Cheol Yu
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Three-Dimensional Imaging of Circular Array Synthetic Aperture Sonar for Unmanned Surface Vehicle
Sensors, 2022 Synthetic aperture sonar (SAS) and interferometric synthetic aperture sonar (InSAS) have a range layover phenomenon during underwater observation, the AUV-mounted circular synthetic aperture sonar (CSAS) system, that insonifies targets using multiple ...
Sai Zeng, Wei Fan, Xuanmin Du
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A dolphin-inspired compact sonar for underwater acoustic imaging
Communications Engineering, 2022 Underwater imaging sonars are widely used for oceanic exploration but are bulky and expensive for some applications. The sonar system of dolphins, which uses sound pulses called clicks to investigate their environment, offers superior shape ...
Hari Vishnu +4 more
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A Two-Mode Underwater Smart Sensor Object for Precision Aquaculture Based on AIoT Technology
Sensors, 2022 Monitoring the status of culture fish is an essential task for precision aquaculture using a smart underwater imaging device as a non-intrusive way of sensing to monitor freely swimming fish even in turbid or low-ambient-light waters.
Chin-Chun Chang +5 more
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