Journal of Marine Science and Engineering, 2022 Simultaneous Localization and Mapping (SLAM) is a well-known solution for mapping and realizing autonomous navigation of an Autonomous Underwater Vehicle (AUV) in unknown underwater environments.
Pengcheng Mu, Xin Zhang, Ping Qin, Bo He
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Fast Underwater Image Enhancement for Improved Visual Perception [PDF]
IEEE Robotics and Automation Letters, 2019 In this letter, we present a conditional generative adversarial network-based model for real-time underwater image enhancement. To supervise the adversarial training, we formulate an objective function that evaluates the perceptual image quality based on
M. Islam, Youya Xia, Junaed Sattar
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Underwater Object Detection Using TC-YOLO with Attention Mechanisms
Italian National Conference on Sensors, 2023 Underwater object detection is a key technology in the development of intelligent underwater vehicles. Object detection faces unique challenges in underwater applications: blurry underwater images; small and dense targets; and limited computational ...
Kun Liu, Lei Peng, Shanran Tang
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Analysis of Underwater Acoustic Propagation under the Influence of Mesoscale Ocean Vortices
Journal of Marine Science and Engineering, 2021 Mesoscale ocean vortices are common phenomenon and fairly distributed over the global oceans. In this study, mesoscale vortex in the South China Sea is identified by processing of AIPOcean data.
Sartaj Khan +3 more
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Bathymetric Particle Filter SLAM With Graph-Based Trajectory Update Method
IEEE Access, 2021 A graph-based particle filter bathymetric simultaneous localization and mapping (BSLAM) method is proposed to solve the oscillation problem of the trajectories estimated by particles when using a low precise vehicle motion model and obtain accurate ...
Qianyi Zhang +4 more
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Spatial focusing algorithm for source enumeration with rotating uniform circular sonar arrays
IET Radar, Sonar & Navigation, 2023 Source enumeration with large snapshots is feasible for a static uniform circular sonar array (UCSA). However, the dimension of the signal subspace in the array coordinate system exceeds the number of signal sources due to the rotation of the UCSA, which
Guolong Liang +4 more
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Sensitivity analysis of underwater launch based on Morris method [PDF]
E3S Web of ConferencesThe discharge velocity, pressure difference and acceleration of underwater launch performance are affected by many factors, including depth, sailing speed, burning rate, water temperature, density and other operating parameters.
Xie Jian +3 more
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A Review of Detection Technologies for Underwater Cracks on Concrete Dam Surfaces
Applied Sciences, 2023 Cracks seriously endanger the safe and stable operation of dams. It is important to detect surface cracks in a timely and accurate manner to ensure the safety and serviceability of a dam. The above-water crack detection technology of dams has been widely
Dong Chen, Ben Huang, F. Kang
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Ultra Low Frequency Wave Produced by Underwater Oscillating Sphere and Its Measurement
Journal of Marine Science and Engineering, 2021 When an underwater target moves in viscous fluid, it may cause the periodic movement of the surrounding fluid and generate ultra-low-frequency (ULF) gravity waves.
Huan Wang +4 more
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Relationship and Interconversion Between Superhydrophilicity, Underwater Superoleophilicity, Underwater Superaerophilicity, Superhydrophobicity, Underwater Superoleophobicity, and Underwater Superaerophobicity: A Mini-Review [PDF]
Frontiers in Chemistry, 2020 Superwetting surfaces have received increasing attention because of their rich practical applications. Although various superwettabilities are independently achieved, the relationship between those superwettabilities is still not well-clarified.
Xun Hou +3 more
openaire +4 more sources