Physics in world models is reportedly editable only up to a critical depth
A paper on video models says a model can generate physically incorrect motion even when the correct motion remains available.
TLDR
A paper’s author describes a layer at which a world model “makes up its mind” about physics, claiming that physics is editable only up to that point. The paper’s summary describes physically incorrect motion as a failure to use correct motion that remains available, rather than a failure to learn it.
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