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---
name: dataset-annotation
description: "Pseudo-label image folders with GroundingDINO detections, optional
COCO export, and annotated-image review while keeping optional dataset tooling
explicit."
disable-model-invocation: true
metadata:
disco-role: operating
license: Apache 2.0
---
# Dataset Annotation
Use this sub-skill when the task is to pseudo-label a folder of images with GroundingDINO, inspect annotated review images, or export detections as a COCO-style dataset.
## Route first
- For one image, direct API inference, token spans, or prompt debugging, use `../inference/`.
- For COCO AP or benchmark evaluation, use `../evaluation/`.
- For Gradio, notebooks, Grounded-SAM, or image-editing integrations, use `../integrations/`.
## What this covers
- Folder pseudo-labeling with `image_directory`, `text_prompt`, `box_threshold`, `text_threshold`, `weights_path`, `config_path`, and optional `subsample` controls.
- Optional COCO export and annotated-image review outputs without launching a GUI by default.
- Safe handling for optional `fiftyone` and Typer-style workflow dependencies; the bundled helper uses `argparse`, not Typer.
- Conversion from GroundingDINO normalized `cxcywh` predictions into FiftyOne relative `xywh` detections.
## Bundled helper
From this sub-skill directory, start with:
```bash
python scripts/grounding_dino_pseudolabel.py --help
```
Minimal non-GUI COCO export example:
```bash
python scripts/grounding_dino_pseudolabel.py \
--image-directory ./images \
--text-prompt "bus . car ." \
--config-path ./GroundingDINO_SwinT_OGC.py \
--weights-path ./groundingdino_swint_ogc.pth \
--export-coco \
--draw-labels \
--output-dir ./pseudolabel-output \
--subsample 25
```
The helper never downloads checkpoints or datasets. Provide an existing config file and checkpoint, and pass `--view` only when a local FiftyOne GUI/server is intended.
## References
- Workflow and commands: `references/pseudolabel-workflow.md`
- Detection and export formats: `references/data-formats.md`
- Failure modes and recovery: `references/troubleshooting.md`
