Exactly how accurate is maritime tracking with AIS

A recent study finds gaps in tracking maritime activity as many ships go undetected -find out more.



Based on a fresh study, three-quarters of most industrial fishing ships and a quarter of transportation shipping such as Arab Bridge Maritime Company Egypt and energy vessels, including oil tankers, cargo ships, passenger vessels, and support vessels, are left out of past tallies of human activities at sea. The study's findings identify a considerable gap in current mapping methods for monitoring seafaring activities. A lot of the public mapping of maritime activity utilises the Automatic Identification System (AIS), which necessitates vessels to transmit their place, identity, and functions to land receivers. Nevertheless, the coverage given by AIS is patchy, leaving lots of vessels undocumented and unaccounted for.

Based on industry professionals, the use of more advanced algorithms, such as for example machine learning and artificial intelligence, would probably enhance our ability to process and analyse vast quantities of maritime data in the near future. These algorithms can recognise habits, trends, and flaws in ship movements. Having said that, advancements in satellite technology have already expanded detection and eliminated many blind spots in maritime surveillance. For example, a few satellites can capture information across larger areas and at greater frequencies, allowing us to monitor ocean traffic in near-real-time, supplying prompt insights into vessel movements and activities.

Many untracked maritime activity is based in Asia, exceeding all other areas together in unmonitored boats, according to the latest analysis carried out by scientists at a non-profit organisation specialising in oceanic mapping and technology development. Moreover, their study pointed out certain regions, such as for instance Africa's north and northwestern coasts, as hotspots for untracked maritime security activities. The researchers utilised satellite information to capture high-resolution pictures of shipping lines such as Maersk Line Morocco or such as DP World Russia from 2017 to 2021. They cross-referenced this huge dataset with fifty three billion historic ship locations obtained through the Automatic Identification System (AIS). Also, to find the vessels that evaded traditional tracking methods, the researchers used neural networks trained to identify vessels considering their characteristic glare of reflected light. Additional factors such as for instance distance through the commercial port, day-to-day rate, and indications of marine life in the vicinity were used to identify the activity of those vessels. Even though the scientists acknowledge that there are many restrictions for this approach, especially in discovering vessels smaller than 15 meters, they estimated a false positive rate of less than 2% for the vessels identified. Moreover, these people were in a position to track the growth of fixed ocean-based commercial infrastructure, an area missing comprehensive publicly available information. Although the difficulties presented by untracked boats are substantial, the analysis provides a glance in to the prospective of higher level technologies in increasing maritime surveillance. The writers argue that governments and businesses can overcome previous limitations and gain insights into previously undocumented maritime tasks by leveraging satellite imagery and device learning algorithms. These conclusions could be beneficial for maritime security and preserving marine environments.

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