In the ever-evolving world of maritime security, a novel approach to monitoring visual reinforcement learning models is making waves. Adrián Carrizo-Pérez, a researcher at the Basque Research and Technology Alliance (BRTA) in San Sebastián, Spain, has developed a method called FADMON that could significantly enhance port surveillance systems. This work, published in ‘Open Research Europe’, is a part of the SMAUG project, which aims to bolster port security against increasingly sophisticated smuggling methods.
So, what’s the big deal? Well, imagine you’re a port security officer relying on advanced AI models to detect illegal trafficking. These models, while effective, are often ‘black boxes,’ making it tough to understand why they make certain decisions. Enter FADMON. This method uses explainable AI (XAI) techniques to monitor the ‘concept’ behind the model’s decisions, not just the data. In other words, it helps us understand what the AI is ‘seeing’ and ‘thinking.’
Carrizo-Pérez explains, “FADMON performs statistical drift tests on feature attributions to detect deviations in learned policies.” In plain terms, it checks if the model’s understanding of the environment has shifted unexpectedly. This is crucial for continuous model monitoring (CMM), ensuring that the AI remains accurate and reliable over time.
The implications for the maritime sector are substantial. With global maritime activity on the rise, ports are under increasing pressure to enhance their security measures. FADMON offers a way to monitor AI models more effectively, potentially improving the detection of illegal activities and reducing false alarms. This could lead to more efficient operations, reduced costs, and, most importantly, enhanced security.
Moreover, the method has shown promising results in simulations. Carrizo-Pérez notes, “FADMON consistently flags drift on all drifted scenarios with mean p-values of 0.000 through 30 repetitions.” This means it’s highly sensitive to changes in the model’s behavior, a critical feature for any monitoring system.
For maritime professionals, this research opens up new avenues for improving port surveillance systems. By integrating FADMON into existing AI models, ports can achieve a higher level of security and operational efficiency. It’s a step towards making our ports smarter, safer, and more secure in an increasingly complex maritime environment.
In the words of Carrizo-Pérez, “FADMON can add an explainability layer to the monitoring system while also supporting detection of changes in the underlying interpretation of the input data by the model.” This is not just about keeping up with the latest technology; it’s about staying ahead of the curve in the ongoing battle against illegal trafficking.

