Ask the Expert

Ask the Expert Tim Hochberg Senior machine learning engineer How do you match automatic identification system data with satellite imagery to identify publicly tracked vessels? Automatic identification systems, commonly referred to as AIS, transmit a ship’s position and alerts others to its whereabouts. While originally designed as a collision avoidance mechanism, AIS is regularly used […]

Ask the Expert Pete DavisData scientist What challenges exist in identifying offshore oil and wind structures when developing fixed infrastructure models? Creating a picture of what’s taking place beyond the horizon is far from easy. Our recent study analyzed 2 million gigabytes of satellite imagery to detect vessels and offshore infrastructure in coastal waters across

Ask the Expert Fernando Paolo Senior remote sensing machine learning engineer How is satellite data used to map human activity at sea? Analyzing large data streams of satellite synthetic aperture radar (SAR) and optical imagery–a core component of the work we do at Global Fishing Watch–requires a complex workflow. A constellation of satellites image the

Ask the Expert Luca MarsagliaFisheries analyst, European Union What is the value of using research-derived datasets in analyses? Fisheries management is no simple task. The distribution of species, changes in productivity, management boundaries, illegal fishing and corruption are all factors that make oversight and governance of fisheries challenging. And the Mediterranean Sea is no exception. A