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metadata

title: GeoChrono
emoji: 🌍
colorFrom: red
colorTo: indigo
sdk: gradio
sdk_version: 6.15.1
app_file: app.py
short_description: Temporal reasoning over multi-temporal satellite imagery
python_version: '3.12'
startup_duration_timeout: 30m

GeoChrono

Interactive demo for GeoChrono, a multimodal LLM for long-term temporal understanding in remote sensing. Built on Qwen3-VL-4B-Instruct with a Temporal Trajectory Encoder (TempEnc).

Upload a sequence of satellite images (each labeled with its year), ask a question, and the model reasons about land cover changes and temporal patterns.

Model

Base: Qwen/Qwen3-VL-4B-Instruct
Weights: Davidup1/GeoChrono
Code: GitHub
Paper: arXiv:2607.15768