optic

SARLO-80: New Dataset Combines Very-High-Resolution SAR and Optical Imagery with Language Descriptions

Researchers have released SARLO-80, a large-scale dataset combining very-high-resolution synthetic aperture radar (SAR) imagery, aligned optical imagery, and natural-language descriptions. Built from Umbra spotlight acquisitions, the dataset contains 119,566 triplets across 72 countries, standardized to 80cm slant-range resolution. It aims to advance multimodal foundation models for SAR by providing complex-valued measurements and native acquisition geometry.