S4VY: Segment Anything in 4D, with consistent identity across space and time

realChrisChoy · x · 2026-10-17

Researchers introduce S4VY (Segment Anything, now in 4D), extending segmentation from 2D to 4D space-time: from any set of RGB observations — a video, scattered frames, or an unordered photo collection — it segments every object with one consistent identity across space and time. Code and checkpoints coming soon.

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