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OmniSat: Self-Supervised Modality Fusion for Earth Observation
April 15, 2024, 4:45 a.m. | Guillaume Astruc, Nicolas Gonthier, Clement Mallet, Loic Landrieu
cs.CV updates on arXiv.org arxiv.org
Abstract: The field of Earth Observations (EO) offers a wealth of data from diverse sensors, presenting a great opportunity for advancing self-supervised multimodal learning. However, current multimodal EO datasets and models focus on a single data type, either mono-date images or time series, which limits their expressivity. We introduce OmniSat, a novel architecture that exploits the spatial alignment between multiple EO modalities to learn expressive multimodal representations without labels. To demonstrate the advantages of combining modalities …
abstract arxiv cs.cv current data datasets diverse earth earth observation focus fusion however images multimodal multimodal learning observation presenting sensors series time series type wealth
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