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February 9, 2026Meteorological ApplicationsOpen Access

Seeing Gusty Winds: Optical Tracking of Tree Motion Captures Peak 3‐s Gust Velocities

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Authors

SKSai KulkarniLoughborough UniversityJHJohn K. HillierLoughborough UniversityTMTimothy I. Marjoribanks

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Implication

Proof-of-concept study demonstrates improved wind measurements using Optical Flow Tracking in trees, indicating potential in meteorology.

Key Points

  • This study aims to relate optical tracking techniques to peak gust wind speeds through tree motion analysis.
  • Used Optical Flow Tracking Velocimetry (OFTV) to derive wind speed estimates from video of tree motion.
  • Conducted measurements on a pear tree and compared results with traditional cup-anemometer data.
  • Analyzed the correlation between OFTV data and wind measurements across various objects in the scene.
  • Observed a significant correlation (R² = 0.65, p < 0.05) between OFTV estimates and cup-anemometer data.
  • OFTV estimates showed strong consistency (R² ≥ 0.92) across different reference objects.
  • Peak gust speeds were measured with a timing accuracy of within ±1–5 seconds across various objects.

Cite This Study

Kulkarni et al. (2026) studied this question.

synapsesocial.com/papers/69897a86f0ec2af6756e8b3bhttps://doi.org/10.1002/met.70156
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