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README.md
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---
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license: apache-2.0
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tags:
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- sam2
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- segment-anything
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- video-segmentation
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- tracking
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- microscopy
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pipeline_tag: mask-generation
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---
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# SAM2 Tiny (Cell and Bacterium Tracking)
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The SAM2 tiny checkpoint used in the Model Garden **Cell and Bacterium
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Tracking** demo: class-agnostic video segment-and-track where pretrained
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detectors have no labels, e.g. a neutrophil chasing a bacterium.
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## Method
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Human-seed-then-propagate: a few clicks lock the right object, then SAM2
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propagates masks across the rest of the frames autonomously. **No training
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required.**
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## Provenance
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This is the `sam2_hiera_tiny` checkpoint from
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[`facebook/sam2-hiera-tiny`](https://huggingface.co/facebook/sam2-hiera-tiny),
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re-hosted here for the Model Garden showcase. All credit to Meta AI.
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## Usage
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See the [SAM2 repository](https://github.com/facebookresearch/sam2) for the
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video predictor API.
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