Unverified50% confidenceFactExact time
There is a pronounced "spatial–dynamic interference" phenomenon between static 3D spatial understanding and dynamic 4D scene reasoning: post-training on 3D tasks weakens a model's ability to understand dynamic scenes, while models specialized in 4D reasoning often lack a solid foundation in static 3D spatial reasoning.
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50%
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Long-term
Relevance
10/15/2026
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