Boosting R-CNN: Reweighting R-CNN Samples by RPN's Error for Underwater Object Detection [PDF]
Neurocomputing, 2022 Complicated underwater environments bring new challenges to object detection, such as unbalanced light conditions, low contrast, occlusion, and mimicry of aquatic organisms.
Pinhao Song +4 more
semanticscholar +1 more source
Real-time Model-based Image Color Correction for Underwater Robots
, 2020 Recently, a new underwater imaging formation model presented that the coefficients related to the direct and backscatter transmission signals are dependent on the type of water, camera specifications, water depth, and imaging range.
Li, Alberto Quattrini, Roznere, Monika
core +1 more source
AlGaInN laser diode technology for GHz high-speed visible light communication through plastic optical fiber and water [PDF]
, 2016 AlGaInN ridge waveguide laser diodes are fabricated to achieve single-mode operation with optical powers up to 100 mW at ∼420 nm∼420 nm for visible free-space, underwater, and plastic optical fiber communication.
Czernecki, Robert +12 more
core +1 more source
Underwater Undulating Propulsion Biomimetic Robots: A Review
Biomimetics, 2023 The traditional propeller-based propulsion of underwater robots is inefficient and poorly adapted to practice. By contrast, underwater biomimetic robots show better stability and maneuverability in harsh marine environments.
Gongbo Li +5 more
semanticscholar +1 more source
SGUIE-Net: Semantic Attention Guided Underwater Image Enhancement With Multi-Scale Perception [PDF]
IEEE Transactions on Image Processing, 2022 Due to the wavelength-dependent light attenuation, refraction and scattering, underwater images usually suffer from color distortion and blurred details. However, due to the limited number of paired underwater images with undistorted images as reference,
Qi Qi +5 more
semanticscholar +1 more source
Simulated Research on Passive Sonar Range Using Different Hydrographic Conditions
MATEC Web of Conferences, 2015 As an example using the passive sonar, it calculated the quality factor of passive sonar using the sonar equation. The sound field was calculated under different depth and range using multiform hydrographic conditions.
Han Jing +3 more
doaj +1 more source
An Improved Aerial Target Localization Method with a Single Vector Sensor
Sensors, 2017 This paper focuses on the problems encountered in the actual data processing with the use of the existing aerial target localization methods, analyzes the causes of the problems, and proposes an improved algorithm.
Anbang Zhao +4 more
doaj +1 more source
Beamforming interferometry bathymetry method based on multi-coprime sensor array
International Journal of Distributed Sensor Networks, 2019 Recently, coprime array has been a popular research field in the application of direction-of-arrival estimation. Compared with uniform linear array, coprime array can be used to expand array aperture with fewer sensors, and it also has a nice direction ...
Tian Zhou +4 more
doaj +1 more source
Study on the pressure self-adaptive water-tight junction box in underwater vehicle
International Journal of Naval Architecture and Ocean Engineering, 2012 Underwater vehicles play a very important role in underwater engineering. Water-tight junction box (WJB) is one of the key components in underwater vehicle. This paper puts forward a pressure self-adaptive water-tight junction box (PSAWJB) which improves
Haocai Huang +4 more
doaj +1 more source
Krill: An exploration in underwater sensor networks [PDF]
, 2005 While sensor networks have now become very popular on land, the underwater environment still poses some difficult problems. Communication is one of the difficult challenges under water. There are two options: optical and acoustic.
Chen, P. +7 more
core +3 more sources