Results 21 to 30 of about 2,444,428 (278)

PolSAR Ship Detection with Optimal Polarimetric Rotation Domain Features and SVM

open access: yesRemote Sensing, 2021
Polarimetric synthetic aperture radar (PolSAR) can obtain fully polarimetric information, which provides chances to better understand target scattering mechanisms.
Haoliang Li, Xingchao Cui, Siwei Chen
doaj   +1 more source

A Research on Concept of Ship Safety Domain

open access: yesTransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, 2017
This study presents the results of the content analysis of articles related to "Ship Safety Domain ". The content and statistical analysis of 44 articles that published in 21 different journals between 1970 and 2016 were conducted. This study includes various data types such as publishing years of articles, obtaining the type of data, the contribution ...
Baran, A., Fışkın, R., Kişi, H.
openaire   +3 more sources

Ship collision risk calculation method considering uncertainty of ship position prediction

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectivesShip collision is one of the main factors threatening the navigation safety of intelligent ships. A calculation model of ship collision risk should identify potential collision risks in time and provide the basic information for the intelligent
Shaobo WANG, Yingjun ZHANG, Xin HU
doaj   +1 more source

Ship Domain in Open Sea Areas and Restricted Waters: an Analysis of Influence of the Available Maneuvering Area [PDF]

open access: yesTransNav, 2017
A ship domain is nowadays an important navigational safety assessment criterion. Its shape and size depend on many factors. The available maneuvering area seems to be one of the most important of them. This article examines the influence of the available
Miroslaw Wielgosz
doaj   +1 more source

A real-time ship encounter collision risk detection approach in close-quarters situation

open access: yesMeasurement + Control, 2023
In order to identify ship collision risk for the security of maritime transportation in a close-quarters situation, a novel real-time ship collision risk awareness approach is proposed by developing a novel non-linear velocity obstacle set, QSD-NLVO ...
Bowen Sui, Jianqiang Zhang, Zhong Liu
doaj   +1 more source

3D domain decomposition for violent wave‐ship interactions [PDF]

open access: yesInternational Journal for Numerical Methods in Engineering, 2013
SUMMARYA 3D Domain‐Decomposition (DD) strategy has been developed to deal with violent wave‐ship interactions involving water‐on‐deck and slamming occurrence. It couples a linear potential flow seakeeping solver with a Navier–Stokes method. The latter is applied in an inner domain where slamming, water‐on‐deck, and free surface fragmentation may occur,
Greco M   +3 more
openaire   +5 more sources

Fatigue Behavior and 3D Defect Analysis of 10CrNi3MoV Steel Multi-Pass Welded Joints

open access: yesMetals
Multi-pass welded joints of 10CrNi3MoV high-strength low-alloy (HSLA) steel were systematically investigated for high-cycle fatigue (HCF) behavior using microstructural characterization, mechanical behavior, and inherent defect analysis.
Zongwu Niu   +3 more
doaj   +1 more source

Polarimetric SAR Ship Detection Based on Polarimetric Rotation Domain Features and Superpixel Technique

open access: yesLeida xuebao, 2021
Sea surveillance is an important application of polarimetric Synthetic Aperture Radar (SAR), but ship detection in dense areas remains a major challenge.
Xingchao CUI, Yi SU, Siwei CHEN
doaj   +1 more source

A Simulative Comparison of Ship Domains and Their Polygonal Approximations [PDF]

open access: yesTransNav, 2015
The paper investigates the impact of a precise ship domain shape on the size of collision avoidance manoeuvres. The considered collision avoidance manoeuvres include both course and speed alterations.
Rafal Szlapczynski, Joanna Szlapczynska
doaj   +1 more source

Domain Adaptive Ship Detection in Optical Remote Sensing Images

open access: yesRemote Sensing, 2021
With the successful application of the convolutional neural network (CNN), significant progress has been made by CNN-based ship detection methods. However, they often face considerable difficulties when applied to a new domain where the imaging condition
Linhao Li   +5 more
doaj   +1 more source

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