A Genealogy of Multi-Sensor Foundation Models in Remote Sensing

• URL: http://arxiv.org/abs/2504.17177v1
• Date: Thu, 24 Apr 2025 01:23:00 GMT
• Title: A Genealogy of Multi-Sensor Foundation Models in Remote Sensing
• Authors: Kevin Lane, Morteza Karimzadeh,
• Abstract summary: Foundation models have garnered increasing attention for representation learning in remote sensing.<n>This paper examines these approaches along with their roots in the computer vision field.<n>We discuss the quality of the learned representations and methods to alleviate the need for massive compute resources.
• Score: 1.4364491422470593
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Foundation models have garnered increasing attention for representation learning in remote sensing, primarily adopting approaches that have demonstrated success in computer vision with minimal domain-specific modification. However, the development and application of foundation models in this field are still burgeoning, as there are a variety of competing approaches that each come with significant benefits and drawbacks. This paper examines these approaches along with their roots in the computer vision field in order to characterize potential advantages and pitfalls while outlining future directions to further improve remote sensing-specific foundation models. We discuss the quality of the learned representations and methods to alleviate the need for massive compute resources. We place emphasis on the multi-sensor aspect of Earth observations, and the extent to which existing approaches leverage multiple sensors in training foundation models in relation to multi-modal foundation models. Finally, we identify opportunities for further harnessing the vast amounts of unlabeled, seasonal, and multi-sensor remote sensing observations.

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