Author

Chaofeng Chen

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Preprint Aug 2026

LongEarth-R1: Benchmarking and Aligning Vision-Language Models for Long-Horizon Earth Observation Reasoning

Long-horizon Earth observation reasoning requires models to organize multi-stage geographic evolution, localize spatial changes, detect temporal anomalies, and infer future from extended image sequences. However, existing remote sensing vision-language models mainly focus on isolated images, image pairs, or short seque...

Yupan Ding, Jing Xiao, Zhenyuan Zhang et al. · 0 citations