Skyfall-GS is a framework that generates city-block scale 3D urban scenes from satellite imagery without requiring expensive 3D annotations. It combines satellite imagery for coarse geometry with diffusion models for high-quality textures, enabling real-time exploration of immersive 3D environments. The system uses a curriculum-driven iterative refinement strategy to progressively improve geometric completeness and photorealistic rendering, outperforming existing approaches in cross-view consistency and texture realism.
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