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Author

Josef Sivic

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#artificial intelligence Preprint Oct 2026

DepthWorld: 3D World Model for Robot Manipulation

This work introduces a calibration pipeline that combines learned stereo depth with a joint factor graph, pooling all episodes collected from the same physical robot to recover its shared kinematic parameters alongside per-scene extrinsics, and trains DepthWorld, a Stable Video Diffusion-based world model that jointly...

Jai Bardhan, Josef Sivic, Vladimír Petrík · 0 citations
Preprint Oct 2026

Memory-Guided B-Roll Generation from User Video Collections

We introduce an approach for collection-grounded B-roll sequence generation. Given a user's video collection, a directive given in natural language, and a target duration, the goal is to produce a multi-shot sequence that complements the user's primary footage (A-roll) while preserving the collection's characters, sett...

Cusuh Ham, Fabian Caba Heilbron, Josef Sivic et al. · 0 citations

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