Results 11 to 20 of about 127,254 (301)

Ellipse Polar Encoding for Oriented SAR Ship Detection

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Ship detection in synthetic aperture radar (SAR) images using deep neural networks often relies on horizontal bounding box, which fail to capture ship orientation and aspect ratio accurately.
Jun Liu, Lin Liu, Jiarong Xiao
doaj   +4 more sources

A Study on the Correlation between Ship Movement Characteristics and Ice Conditions in Polar Waters

open access: yesJournal of Marine Science and Engineering, 2023
The opening of arctic routes provides a new option for international navigation ships. The correlation between ship movement characteristics and ice conditions should be known, which will help ships adapt to the polar waters. Based on the voyage data and
Liang Chen, Changhai Huang, Yanhao Wang
doaj   +3 more sources

A Machine-Learning-Based Method for Ship Propulsion Power Prediction in Ice

open access: yesJournal of Marine Science and Engineering, 2023
In recent years, safety issues respecting polar ship navigation in the presence of ice have become a research hotspot. The accurate prediction of propulsion power plays an important role in ensuring safe ship navigation and evaluating ship navigation ...
Li Zhou   +4 more
doaj   +3 more sources

Route Planning of a Polar Cruise Ship Based on the Experimental Prediction of Propulsion Performance in Ice

open access: yesJournal of Marine Science and Engineering, 2023
The effective assessment of risk and speed limitations in ice are critical for the route planning of polar cruise ships. While the Polar Operational Limit Assessment Risk Indexing System (POLARIS) is widely used to evaluate the operational risk in ice ...
Yan Huang   +3 more
doaj   +3 more sources

Learning Polar Encodings for Arbitrary-Oriented Ship Detection in SAR Images

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Common horizontal bounding box-based methods are not capable of accurately locating slender ship targets with arbitrary orientations in synthetic aperture radar (SAR) images.
Yishan He   +5 more
doaj   +3 more sources

The future of sustainable polar ship-based tourism

open access: yesCambridge Prisms: Coastal Futures, 2023
Over the last couple of decades, polar tourism has significantly grown in the number of visitors and diversified in terms of the tourism activities offered. The COVID-19 pandemic brought polar tourism to a halt and has prompted researchers, operators and
Daniela Liggett   +4 more
doaj   +4 more sources

The Polar Code's Implications for Safe Ship Operations in the Arctic Region [PDF]

open access: yesTransNav, 2020
Simultaneously with a decreasing sea ice cover in the Arctic region an increase in ship traffic is experienced in these waters, meaning a higher probability of accidents and incidents to occur. The capability to handle emergency situations for shipowners,
Espen Engtrø   +2 more
doaj   +1 more source

Study on power matching of podded propulsor for polar ships

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectiveTo enhance the pertinence and applicability of polar ships with podded propulsion design, the power matching problem should be researched.MethodsBased on the overseas classification rules of ice classes and the results of ship investigation, the
Yan HUANG   +4 more
doaj   +1 more source

Real-Time Ship Tracking under Challenges of Scale Variation and Different Visibility Weather Conditions

open access: yesJournal of Marine Science and Engineering, 2022
Visual ship tracking provides crucial kinematic traffic information to maritime traffic participants, which helps to accurately predict ship traveling behaviors in the near future.
Hu Liu   +4 more
doaj   +1 more source

Numerical simulation of temperature field in side ballast tank of polar ship at low temperature

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectivesThis paper aims to analyze the influence of polar low temperature environment and ballast water capacity on the dynamic change process of the temperature field in polar ship's ballast tank.
Shifeng DING   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy