SpatialASM: Shanghai AI Lab trains LVLMs to actively mentalize viewpoints for spatial reasoning

Shanghai-AI-Laboratory · hf · 2026-10-13

Shanghai AI Lab with CUHK/Fudan introduces SpatialASM, a framework instilling Active Spatial Mentalization (ASM) into LVLMs via training-time spatial simulation. An allocentric novel-view generator grounds hypothetical viewpoints in visual evidence, producing explicit ASM trajectories and auto-constructed perspective-taking tasks. Across seven spatial benchmarks and four LVLM backbones it raises average accuracy while preserving general vision, offering a scalable path around scarce spatial CoT supervision.

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