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- Title
A generalizable and accessible approach to machine learning with global satellite imagery.
- Authors
Rolf, Esther; Proctor, Jonathan; Carleton, Tamma; Bolliger, Ian; Shankar, Vaishaal; Ishihara, Miyabi; Recht, Benjamin; Hsiang, Solomon
- Abstract
Combining satellite imagery with machine learning (SIML) has the potential to address global challenges by remotely estimating socioeconomic and environmental conditions in data-poor regions, yet the resource requirements of SIML limit its accessibility and use. We show that a single encoding of satellite imagery can generalize across diverse prediction tasks (e.g., forest cover, house price, road length). Our method achieves accuracy competitive with deep neural networks at orders of magnitude lower computational cost, scales globally, delivers label super-resolution predictions, and facilitates characterizations of uncertainty. Since image encodings are shared across tasks, they can be centrally computed and distributed to unlimited researchers, who need only fit a linear regression to their own ground truth data in order to achieve state-of-the-art SIML performance. This paper presents MOSAIKS, a system for planet-scale prediction of multiple outcomes using satellite imagery and machine learning (SIML). MOSAIKS generalizes across prediction domains and has the potential to enhance accessibility of SIML across research disciplines.
- Subjects
REMOTE-sensing images; MACHINE learning; GLOBAL method of teaching; HOME prices; MAGNITUDE (Mathematics); LANDSAT satellites; DATA plans; TELECOMMUNICATION satellites
- Publication
Nature Communications, 2021, Vol 12, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-021-24638-z