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  4. Humans are Poor Few-Shot Classifiers for Sentinel-2 Land Cover
 
conference paper

Humans are Poor Few-Shot Classifiers for Sentinel-2 Land Cover

Russwurm, Marc
•
Wang, Sherrie
•
Tuia, Devis  
2022
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium
International Geoscience and Remote Sensing Symposium (IGARSS)

Learning to predict accurately from a few data samples is a central challenge in modern data-hungry machine learning. On natural images, human vision typically outperforms deep learning approaches on few-shot learning. However, we hypothesize that aerial and satellite images are more challenging to the human eye. This applies particularly when the image resolution is comparatively low, as with the 10m ground sampling distance of Sentinel-2. In this study, we benchmark model-agnostic meta-learning (MAML) algorithms against human participants on few-shot land cover classification with Sentinel-2 imagery on the Sen12MS dataset. We find that categorization of land cover from globally distributed regions is a difficult task for the participants, who classified the given images less accurately than the MAML-trained model and with a highly variable success rate. This suggest that hand-labeling land cover directly on Sentinel-2 imagery is not optimal when tackling a new land cover classification problem. Labeling only a few images and employing a trained meta-learning model to this task may lead to more accurate and consistent solutions compared to hand labeling by multiple individuals.

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Type
conference paper
DOI
10.1109/IGARSS46834.2022.9884691
Author(s)
Russwurm, Marc
Wang, Sherrie
Tuia, Devis  
Date Issued

2022

Publisher

IEEE

Published in
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium
ISBN of the book

978-1-665427-92-0

Start page

4859

End page

4862

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
ECEO  
Event nameEvent placeEvent date
International Geoscience and Remote Sensing Symposium (IGARSS)

Kuala Lumpur, Malaysia

July 17-22, 2022

Available on Infoscience
February 9, 2023
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/194701
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