GeoChrono: Benchmarking and Rethinking Long-Term Temporal Understanding in Remote Sensing
GeoChrono is proposed, an MLLM with enhanced capabilities for tracing, memorizing, and reasoning about long-term geographic evolution, surpassing the leading commercial MLLMs by over 20%, while C2FComp reduces visual tokens by over 56% while retaining GeoChrono's 94.6% performance on ChronoBench.