Results 11 to 20 of about 20,037 (164)

Underwater Side-Scan Sonar Target Detection: YOLOv7 Model Combined with Attention Mechanism and Scaling Factor

open access: yesRemote Sensing
Side-scan sonar plays a crucial role in underwater exploration, and the autonomous detection of side-scan sonar images is vital for detecting unknown underwater environments. However, due to the complexity of the underwater environment, the presence of a
Xin Wen   +4 more
doaj   +3 more sources

Alluvial substrate mapping by automated texture segmentation of recreational-grade side scan sonar imagery. [PDF]

open access: yesPLoS ONE, 2018
Side scan sonar in low-cost 'fishfinder' systems has become popular in aquatic ecology and sedimentology for imaging submerged riverbed sediment at coverages and resolutions sufficient to relate bed texture to grain-size.
Daniel Hamill   +2 more
doaj   +2 more sources

Sample Augmentation Method for Side-Scan Sonar Underwater Target Images Based on CBL-sinGAN

open access: yesJournal of Marine Science and Engineering
The scarcity and difficulty in acquiring Side-scan sonar target images limit the application of deep learning algorithms in Side-scan sonar target detection.
Chengyang Peng   +4 more
doaj   +3 more sources

A Small-Sample Target Detection Method of Side-Scan Sonar Based on CycleGAN and Improved YOLOv8

open access: yesApplied Sciences
Because of their low cost and ease of deployment, side-scan sonars is one of the most widely used underwater survey instruments. However, the complexity of the marine environment and the difficulty in target acquisition limit the detection accuracy of ...
Ye Zheng   +3 more
doaj   +3 more sources

MSF-DETR: A small target detection algorithm for sonar images based on spatial-frequency domain collaborative feature fusion. [PDF]

open access: yesPLoS ONE
Side-scan sonar imaging is essential for underwater target detection in marine exploration and engineering applications, yet small target detection faces significant challenges including limited frequency domain feature utilization, insufficient multi ...
Heng Zhao   +5 more
doaj   +2 more sources

The Impact of Side-Scan Sonar Resolution and Acoustic Shadow Phenomenon on the Quality of Sonar Imagery and Data Interpretation Capabilities

open access: yesRemote Sensing, 2023
Side-scan sonar is designed and used for a variety of survey work, in both military and civilian fields. These systems provide acoustic imageries that play a significant role in a variety of marine and inland applications.
Artur GrzÄ…dziel
doaj   +1 more source

Side-scan Sonar Image De-noising Based on Bidimensional Empirical Mode Decomposition and Non-local Means [PDF]

open access: yesE3S Web of Conferences, 2020
In order to suppress the multiplicative specular noise in side-scan sonar images, a denoising method combining bidimensional empirical mode decomposition and non-local means algorithm is proposed.
Zhao Kun   +3 more
doaj   +1 more source

Technical Design and Data Analysis of Autonomous Underwater Vehicle-Based Side-Scan Sonar Operations

open access: yesJournal of Marine Science and Engineering, 2023
In response to the absence of standardized work practices, work safety measures, efficient work procedures, and suitable line planning methods for exploring seabed topography using autonomous underwater vehicles (AUVs) equipped with side-scan sonar ...
Xinyang Zhao   +6 more
doaj   +1 more source

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   +1 more source

DSA-SOLO: Double Split Attention SOLO for Side-Scan Sonar Target Segmentation

open access: yesApplied Sciences, 2022
Side-scan sonar systems play an important role in tasks such as marine terrain exploration and underwater target identification. Target segmentation of side-scan sonar images is an effective method of underwater target detection.
Honghe Huang   +4 more
doaj   +1 more source

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