Results 1 to 10 of about 228,033 (349)

Particle Filter-Guided Online Neural Networks for Multi-Target Bearing-Only Tracking in Passive Sonar Systems [PDF]

open access: yesSensors
This study proposes a novel method to address the instability issues in multi-target bearing-only tracking for passive sonar systems. Utilizing a particle filter-guided on-site training mechanism, the complex multi-classification task is simplified into ...
Jianan Wang   +4 more
doaj   +2 more sources

Underwater Object Classification in Sidescan Sonar Images Using Deep Transfer Learning and Semisynthetic Training Data

open access: yesIEEE Access, 2020
Sidescan sonars are increasingly used in underwater search and rescue for drowning victims, wrecks and airplanes. Automatic object classification or detection methods can help a lot in case of long searches, where sonar operators may feel exhausted and ...
Guanying Huo, Ziyin Wu, Jiabiao Li
exaly   +2 more sources

DP-ViT: A Dual-Path Vision Transformer for Real-Time Sonar Target Detection

open access: yesRemote Sensing, 2022
Sonar image is the main way for underwater vehicles to obtain environmental information. The task of target detection in sonar images can distinguish multi-class targets in real time and accurately locate them, providing perception information for the ...
Yushan Sun   +5 more
doaj   +2 more sources

A Review on Deep Learning-Based Approaches for Automatic Sonar Target Recognition

open access: yesElectronics (Switzerland), 2020
Underwater acoustics has been implemented mostly in the field of sound navigation and ranging (SONAR) procedures for submarine communication, the examination of maritime assets and environment surveying, target and object recognition, and measurement and
Dhiraj Neupane, Jongwon Seok
exaly   +2 more sources

Enhanced Fuzzy-Based Local Information Algorithm for Sonar Image Segmentation

open access: yesIEEE Transactions on Image Processing, 2020
The recent boost in undersea operations has led to the development of high-resolution sonar systems mounted on autonomous vehicles. These vehicles are used to scan the seafloor in search of different objects such as sunken ships, archaeological sites ...
Avi Abu, Roee Diamant
exaly   +2 more sources

SONAR: Sentence-Level Multimodal and Language-Agnostic Representations [PDF]

open access: yesarXiv.org, 2023
We introduce SONAR, a new multilingual and multimodal fixed-size sentence embedding space. Our single text encoder, covering 200 languages, substantially outperforms existing sentence embeddings such as LASER3 and LabSE on the xsim and xsim ...
Paul-Ambroise Duquenne   +2 more
semanticscholar   +1 more source

A Dataset with Multibeam Forward-Looking Sonar for Underwater Object Detection [PDF]

open access: yesScientific Data, 2022
Multibeam forward-looking sonar (MFLS) plays an important role in underwater detection. There are several challenges to the research on underwater object detection with MFLS. Firstly, the research is lack of available dataset.
Kaibing Xie, Jian Yang, Kang Qiu
semanticscholar   +1 more source

When SAM Meets Sonar Images [PDF]

open access: yesIEEE Geoscience and Remote Sensing Letters, 2023
Segment anything model (SAM) has revolutionized the way of segmentation due to its remarkable capacity for generalized segmentation. However, SAM’s performance may decline when applied to tasks involving domains that differ from natural images ...
Lin Wang   +6 more
semanticscholar   +1 more source

Tensor‐based matched‐field processing applied to the SWellEx‐96 data

open access: yesElectronics Letters, 2023
This study proposed a matched field source localization method based on tensor decomposition. By considering the advantages of tensors in multidimensional data processing, a three‐dimensional tensor signal model of space‐time‐frequency is constructed ...
Fangwei Zhu   +5 more
doaj   +1 more source

A method for detecting the early stages of local corrosion processes [PDF]

open access: yesE3S Web of Conferences, 2019
The article discusses the issues of monitoring the parameters of carbon dioxide corrosion of oil and gas production equipment and pipelines. The features of the main control methods traditionally used in the construction of corrosion monitoring systems ...
Blokhin Vladimir   +3 more
doaj   +1 more source

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