Results 1 to 10 of about 1,787 (114)

Automatic Boat Identification System for VIIRS Low Light Imaging Data [PDF]

Remote Sensing, 2015
The ability for satellite sensors to detect lit fishing boats has been known since the 1970s. However, the use of the observations has been limited by the lack of an automatic algorithm for reporting the location and brightness of offshore lighting ...
Christopher D. Elvidge, Mikhail Zhizhin, Kimberly Baugh, Feng-Chi Hsu   +3 more
doaj   +3 more sources

Using Automatic Identification System (AIS) Data to Estimate Whale Watching Effort [PDF]

Frontiers in Marine Science, 2021
The growing concerns about the negative effects caused by whale watching on wild cetacean populations are evincing the need to measure whale watching effort more precisely.
Javier Almunia, Patricia Delponti, Fernando Rosa   +2 more
doaj   +4 more sources

Unsupervised Port Berth Localization from Automatic Identification System Data

Sensors
Port berthing sites are regions of high interest for monitoring and optimizing port operations. Data sourced from the Automatic Identification System (AIS) can be superimposed on berths, enabling their real-time monitoring and revealing long-term ...
Andreas Hadjipieris, Neofytos Dimitriou, Ognjen Arandjelović   +2 more
doaj   +5 more sources

Convolutional Neural Network-Based Gear Type Identification from Automatic Identification System Trajectory Data

Applied Sciences, 2020
Marine resources are valuable assets to be protected from illegal, unreported, and unregulated (IUU) fishing and overfishing. IUU and overfishing detections require the identification of fishing gears for the fishing ships in operation.
Kwang-il Kim, Keon Myung Lee
doaj   +3 more sources

The Development of Regional Vessel Traffic Congestion Forecasts Using Hybrid Data from an Automatic Identification System and a Port Management Information System

Journal of Marine Science and Engineering, 2022
The present study proposes a new method that forecasts congestion in the area near a port by combining the automatic identification systems of ships and port management information data.
Joonbae Son, Dong-Ham Kim, Sang-Woong Yun, Hye-Jin Kim, Sewon Kim   +4 more
doaj   +3 more sources

Bioinvasion risk analysis based on automatic identification system and marine ecoregion data

High-Confidence Computing
The global maritime trade plays a key role in propagating alien aquatic invasive species, which incurs side effects in terms of environment, human health and economy.
Hongwei Shi, Chenyu Wang, Hang Zhao, Shengling Wang, Yixian Chen   +4 more
doaj   +3 more sources

A Visual Analysis Approach to Understand and Explore Quality Problems of AIS Data

Journal of Marine Science and Engineering, 2021
Low quality automatic identification system (AIS) data often mislead analysts to a misunderstanding of ship behavior analysis and to making incorrect navigation risk assessments.
Wei He, Jinyu Lei, Xiumin Chu, Shuo Xie, Cheng Zhong, Zhixiong Li   +5 more
doaj   +1 more source

GPS Synchronization of Audio Watermarks in the Maritime Automatically Identified Radiotelephony [PDF]

TransNav, 2021
Audio watermarking (AW) technology in cooperation with GPS synchronization of watermarked frames is proposed for application in the maritime VHF communication for automatic identification of radiotelephone messages.
Aleksandr Shishkin, Vitaliy Koshevoy, Igor Ryaboshapka   +2 more
doaj   +1 more source

The promises and perils of Automatic Identification System data

Expert Systems with Applications, 2021
Automatic Identification System (AIS) is used to identify vessels in maritime navigation. Currently, it is used for various commercial purposes. However, the abundance and lack of quality of AIS data make it difficult to capitalize on its value. Therefore, an understanding of both the limitations of AIS data and the opportunities is important to ...
Ties Emmens, Chintan Amrit, Asad Abdi, Mayukh Ghosh   +3 more
openaire   +2 more sources

A Novel Toolbox for Automatic Design of Fractional Order PI Controllers Based on Automatic System Identification from Step Response Data

Mathematics, 2023
This paper describes a novel automatic control toolbox, designed for non-experienced practitioners. Fractional order (FO) controllers are easily tuned with the main purpose of easy practical implementation.
Cristina I. Muresan, Iulia Bunescu, Isabela Birs, Robin De Keyser   +3 more
doaj   +1 more source