Ravi and colleagues: SAM 2 promptable image and video segmentation

What changed

Extended promptable segmentation to images and videos with a streaming-memory transformer and video data engine.

Scientific scope

Extended promptable segmentation to images and videos with a streaming-memory transformer and video data engine. Scope limitation: SAM 2 is distinct from the original image-only Segment Anything paper. Speed and accuracy comparisons are author-reported.

Evidence

The retained primary-source abstract, bibliographic record and stated review scope support this provisional assessment. No independent experimental replication by WRS is claimed. SAM 2 is distinct from the original image-only Segment Anything paper. Speed and accuracy comparisons are author-reported.

Contributors

• The named authors listed in the linked research record · SCIENCE: Complete source byline retained in the research record; human research direction, method development and evaluation. Individual labor shares are not measured.

• Ravi and colleagues: SAM 2 promptable image and video segmentation — original paper
• Ravi and colleagues: SAM 2 promptable image and video segmentation — company research source

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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