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11
SSL4EO-L:
Datasets and Foundation Models for Landsat Imagery
Adam J. Stewart1, Nils Lehmann2, Isaac A. Corley3, Yi Wang2, 4, Yi-Chia Chang1,
Nassim Ait Ali Braham2, 4, Shradha Sehgal1, Caleb Robinson5, Arindam Banerjee1
1University of Illinois Urbana-Champaign,2Technical University of Munich,
3University of Texas at San Antonio,4German Aerospace Center,
5Microsoft AI for Good Research Lab
Abstract
The Landsat program is the longest-running Earth observation program in history,
with 50+ years of data acquisition by 8 satellites. The multispectral imagery cap-
tured by sensors onboard these satellites is critical for a wide range of scientific
fields. Despite the increasing popularity of deep learning and remote sensing,
the majority of researchers still use decision trees and random forests for Land-
sat image analysis due to the prevalence of small labeled datasets and lack of
foundation models. In this paper, we introduce SSL4EO-L, the first ever dataset
designed for Self-Supervised Learning for EarthObservation for the Landsat fam-
ily of satellites (including 3 sensors and 2 product levels) and the largest Landsat
dataset in history (5M image patches). Additionally, we modernize and re-release
the L7 Irish and L8 Biome cloud detection datasets, and introduce the first ML
benchmark datasets for Landsats 4–5 TM and Landsat 7 ETM+ SR. Finally, we
pre-train the first foundation models for Landsat imagery using SSL4EO-L and
evaluate their performance on multiple semantic segmentation tasks. All datasets
and model weights are available via the TorchGeo1library, making reproducibility
and experimentation easy, and enabling scientific advancements in the burgeoning
field of remote sensing for a multitude of downstream applications.
1 Introduction
On July 23rd, 1972, the National Aeronautics and Space Administration (NASA) launched Land-