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