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Maritime (AIS · SAR)

Maritime watch overlays vessel position data (AIS) on SAR imagery to follow what is moving in the waters you care about.

If this is your challenge

The open sea cannot be watched by people alone, and clouds or darkness make imagery hard to read. Position data by itself makes it hard to notice a vessel that has switched its signal off.

How StellarHub solves it

Vessel position data (AIS) and SAR satellite imagery are overlaid, and AI analysis detects vessels in the imagery and matches them with position data. Vessels that do not match are singled out as anomalies.

Data used

Vessel position data (AIS) and SAR satellite imagery are used. SAR imagery can observe through clouds and at night, which suits steady watch over the sea.

What you receive

Vessel movements and anomalies in your sea area appear on the map, and you are notified when something passes the threshold you set.

How it works

How it runs

Set the area of interest, receive imagery, find what changed with AI analysis, and put the results to work.

  1. Set the sea area

    Draw the sea area you want to watch on the map.

  2. Prepare imagery and position data

    Buy SAR imagery or receive it through scheduled captures, and view vessel position data (AIS) with it.

  3. Find vessels

    AI analysis detects vessels in the imagery and overlays them on position data.

  4. Check anomalies

    Review vessels that do not match position data on the map and use them in reports.

Sea areas it watches

It watches vessel movements in your sea area together with vessels that do not match position data.

Position data (AIS) alone cannot reveal a vessel that has switched its signal off, and imagery alone does not tell you which vessel is which. Overlaying both on one map fills each other's gaps.

SAR imagery observes through clouds and at night, which suits steady watch over the sea, and changes passing your threshold are sent to you as notifications.

What it mostly looks at

  • Vessel movements in your sea area
  • Vessels that do not match position data
  • Observation under clouds or at night

How the results are used

Vessel movements and anomalies help with watching a sea area and with writing situation reports for your team.

Vessels in your sea area appear on the map with their position data, and vessels that do not match stand out. The person on watch does not have to inspect every vessel from scratch.

Typical uses

  • Understanding movements in your sea area
  • Singling out vessels with anomalies
  • Receiving notifications for changes that pass the threshold

Frequently asked questions

What information is overlaid?

Vessel position data (AIS) and SAR satellite imagery are overlaid on the same map for review.

Does it work at night or under clouds?

Yes. SAR satellite imagery can observe through clouds and at night as well, so the sea can be watched around the clock.

How are anomalies found?

Vessels in the imagery are detected and matched with position data, and mismatches are marked.

Can I receive notifications?

Yes. A notification is sent when a change passes the threshold you set, so you do not have to keep watching by yourself.

How do I define my sea area?

Draw the sea area you want to watch on the map, and the imagery and vessel information for it gather together.

Keep watch over your sea area

Sign up to set your area of interest, or send a quote request to talk through adoption with our team.