Sugar-Beet Stress Detection using Satellite Image Time Series

Bhumika Laxman Sadbhave, Philipp Vaeth, Denise Dejon, Gunther Schorcht, Magda Gregorová
7/17/2025
cs.CVcs.LG

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Abstract

Satellite Image Time Series (SITS) data has proven effective for agricultural tasks due to its rich spectral and temporal nature. In this study, we tackle the task of stress detection in sugar-beet fields using a fully unsupervised approach. We propose a 3D convolutional autoencoder model to extract meaningful features from Sentinel-2 image sequences, combined with acquisition-date-specific temporal encodings to better capture the growth dynamics of sugar-beets. The learned representations are used in a downstream clustering task to separate stressed from healthy fields. The resulting stress detection system can be directly applied to data from different years, offering a practical and accessible tool for stress detection in sugar-beets.

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Cite this paper

@article{sadbhave2025sugarbeet,
  title  = {Sugar-Beet Stress Detection using Satellite Image Time Series},
  author = {Bhumika Laxman Sadbhave and Philipp Vaeth and Denise Dejon and Gunther Schorcht and Magda Gregorová},
  year   = {2025},
  eprint = {2507.13514},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2507.13514v1}
}

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