Arctic Overwatch

Team Members: Omid Latifi, Pratik Das, Miran Qarachatani, Adam Wang


🚢 Problem Statement

  • 44% of shadow vessels change their key identifying information to evade detection.
  • Traditional vessel tracking using AIS (Automatic Identification System) fails when ships deliberately turn off or spoof transponders.
  • This creates a major gap in maritime surveillance, especially in sanction evasion and illegal activity in the Arctic.

💡 Solution – Wake Fingerprinting with AI

We propose using Synthetic Aperture Radar (SAR) imagery to fingerprint ships by their wake.

  • Every vessel produces a unique wake signature, like a fingerprint.
  • By training an AI model to detect and classify wake patterns, we can identify ships even without AIS data.

Core Components:

  1. Custom Detection Model

    • Trained on 458 SAR images of ships.
    • Focused on analyzing wake patterns instead of just vessel hulls.
  2. Wake Fingerprinting

    • Extracts the unique wake pattern of each ship.
    • Compares and validates against AIS when available.
  3. Validation Pipeline

    • Input: Raw SAR GeoTiff images.
    • Step 1: Noise reduction.
    • Step 2: Custom AI-based wake detection.
    • Step 3: Generate unique wake fingerprint.
    • Step 4: Validate against AIS records.

📊 Inspiration

  • Inspired by research on wake detection from the University of Bristol.
  • Extended into a real-time maritime anomaly detection system for Arctic waters.

✅ Key Features

  • Detect ships even if AIS is spoofed or disabled.
  • Scalable for wide-area Arctic monitoring.
  • Built for clarity, speed, and trust in maritime intelligence.

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