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Study of synthetic aperture radar and automatic identification system for ship target detection

Courtesy: ScienceDirect
Sudhir Kumar Chaturvedi

Highlight
• In the past, the main goals of Synthetic Aperture Radar (SAR) systems were the study of the interaction of electromagnetic waves with the earth surface.

• Recently, the development of multi-channel SAR systems has enabled the development of more sophisticated techniques for the surveillance activities.

• SAR is the most efficient instrument, which provides high-resolution data for wide ocean area surveillance under all weather conditions. The intrinsic capability of this instrument is to provide a quick view of the oceanic surface features such as vessels, waves and currents, oil spills, laver facilities and wind fields.

• The ship detection/recognition is achieved in two steps: the first step is to identify the ship in SAR images of a busy traffic, which corresponds to Automatic Identification System (AIS) signals by the “dead-reckoning (DR) position”, and the second step is to estimate the position, size and speed of the ship from SAR images and compare these results with the AIS “true” data.

Abstract
In the past, the main goals of Synthetic Aperture Radar (SAR) systems were the study of the interaction of electromagnetic waves with the earth surface. Recently, the development of multi-channel SAR systems has enabled the development of more sophisticated techniques for the surveillance activities. SAR is the most efficient instrument, which provides high-resolution data for wide ocean area surveillance under all weather conditions. The intrinsic capability of this instrument is to provide a quick view of the oceanic surface features such as vessels, waves and currents, oil spills, laver facilities and wind fields. The ship detection or recognition is achieved in two steps: the first step is to identify the target in SAR images of a busy traffic, which corresponds to Automatic Identification System (AIS) signals by the “dead-reckoning (DR) position”, and the second step is to estimate the position, size and speed of the ship from SAR images and compare these results with the AIS “true” data. This paper presents the fundamentals of SAR and its integration with the AIS data for the ship target detection.
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The Importance of Vessel Tracking System

Courtesy: Marine Insight
By Raunek | In: Marine Navigation, Marine Safety | Last Updated on March 1, 2019

These days one can effectively track and monitor everything that one wishes to. A vessel tracking system, as the name suggests is a collection of equipments which enable marine and naval vessels to track, identify and monitor a ship’s position, location and any other detail that might be important in maneuvering and stabilizing a ship’s route and course.
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How to prevent maritime border collision for fisheries – A design of Real-Time Automatic Identification System

Authors – Krishnan Saravanan Selva Aswini Raghvendra Kumar Le Hoang Son
Methodology Article First Online: 05 November 2018

Abstract

Maritime Border Collision is one of the vital concerns in coastal states since the maritime boundaries of any two countries cannot be identified easily during fishing.

Maritime domain awareness and the border line control are the essential requirement which happens via recognition, and observing of boats inside their country boundary.

It is necessary to identify the maritime border and alert the fisherman during the fishing.
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A Multi-Feature and Multi-Level Matching Algorithm Using Aerial Image and AIS for Vessel Identification

Courtesy: MDPI
Received: 30 October 2018 / Revised: 10 March 2019 / Accepted: 11 March 2019 / Published: 15 March 2019

Abstract
In order to monitor and manage vessels in channels effectively, identification and tracking are very necessary.

This work developed a maritime unmanned aerial vehicle (Mar-UAV) system equipped with a high-resolution camera and an Automatic Identification System (AIS).

A multi-feature and multi-level matching algorithm using the spatiotemporal characteristics of aerial images and AIS information was proposed to detect and identify field vessels.
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Wärtsilä Vessel Traffic Service solutions to increase efficiency of two Portuguese ports

Courtesy:Hellenic Shipping News
Port News 07/03/2019

The technology group Wärtsilä has successfully completed the installation and operational staff training for its Vessel Traffic Service (VTS) solution in the ports of Lisbon and Setúbal / Sesimbra in Portugal. The systems will increase the efficiency of these ports by reducing waiting time for vessels and allowing just-in-time pilotage. The state-of-the-art solution has been developed and supplied by Transas, a Wärtsilä company. The project was booked in July 2018 and completed in January 2019.
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Minister to unveil first data from ZACube-2

Courtesy: SA News.gov.za
Sunday, February 24, 2019

The first real-time data from South Africa’s ZACube-2 nanosatellite will be unveiled on Tuesday, according to the Department of Science and Technology.

The continent’s most advanced nanosatellite to date, the ZACube-2 was successfully launched into space in December. It is expected to provide cutting edge remote sensing and communication services to South Africa and the region.
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exactEarth deploys final six satellite payloads

Friday, 15 February 2019
exactearth ais satellites

exactEarth a provider of Satellite AIS data services, has announced that the final six payloads for its second-generation constellation, exactView RT, are now in operation. This completes the roll-out of the first global real-time Satellite-AIS service with a total of 58 operational satellite payloads and seven orbital spares.
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MMEA concerned over fishing boats seized by Indonesia in Malaysian waters

Courtesy: FMT News
Bernama - February 14, 2019 12:44 AM
MMEA Malaysian Maritime Enforcement Agency
The Malaysian Maritime Enforcement Agency says this is the fourth such 
detention by Indonesian authorities in Malaysian waters this month.

PUTRAJAYA: The Malaysian Maritime Enforcement Agency (MMEA) tonight said a local fishing boat was still in Malaysian waters when it was detained by Indonesian authorities earlier today.
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Maritime safety breakthrough at IMT

Courtesy: defenceWeb

Maritime Security
Written by defenceWeb – 11th Feb 2019

IMT_HQ_Simons_Town
The Institute for Maritime Technology headquarters in Simons Town.

Armscor’s Institute of Maritime Technology (IMT) has made a significant breakthrough in the field of maritime safety and communications by installing the world’s first VDES base station, which allows significantly faster data transfers to and from ships, improving safety and maritime awareness.

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