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#artificial intelligence Preprint Oct 2026

Joints, Camera, Action! Co-Generating 3D Motion and Video for Arbitrary Rigs

Video generation models can now depict remarkably realistic motion. Yet it is unclear how to use this motion beyond pixels: to animate a specific 3D asset and replay the animation in its 3D scene. For instance, a video model can show a monkey jumping over a crossbar, but it cannot return that jump as replayable 3D moti...

Noam Rotstein, Yoad Tewel, Chen Tessler et al. · 0 citations
#machine learning Preprint Oct 2026

Learnable Spectral Activations

Implicit neural representations (INRs) are shaped by the spectral structure induced by their input encodings and activation functions. Existing methods improve fitting primarily by modifying which frequencies are available to the network, through coordinate encodings or periodic nonlinearities. However, frequency acces...

Tamir Shor, O. Litany, Alex M. Bronstein · 0 citations

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