---
license: other
task_categories:
- image-text-to-text
- image-segmentation
language:
- en
pretty_name: PixVL Cross-Dataset Self-Supervised Data
---

# PixVL Cross-Dataset Self-Supervised Data

Synthetic self-supervised winner/preference records generated for PixVL stage1 training.

## Download

The release is stored as split tar parts:

```bash
cat pixvl_cross_dataset_selfsup_stage1_422032_20260515.tar.part-* > pixvl_cross_dataset_selfsup_stage1_422032_20260515.tar
sha256sum -c pixvl_cross_dataset_selfsup_stage1_422032_20260515.tar.sha256
tar -xf pixvl_cross_dataset_selfsup_stage1_422032_20260515.tar
```

Expected tar SHA256:

```text
825c0b40267d4d949132f62800ee5aac0471ad900566f23405b252f34ef37300
```

## Contents After Extraction

- `merged/merged_unsup_unique.jsonl`: winner-only training records, 422,032 lines.
- `merged/merged_preference_cache.jsonl`: preference cache records, 124,689 lines.
- `merged/merge_stats.json`: merge metadata.
- `sav_chooseone/images/`: generated SAV source/target images.
- `coco_chooseone/images/`: generated COCO source/target images.
- `cityscapes_chooseone/images/`: generated Cityscapes source/target images.
- `openimages_chooseone/images/`: generated OpenImages source/target images.

The `image` field in `merged/merged_unsup_unique.jsonl` is relative to the extracted dataset root.

## Source Counts

- SAV: 410,440 records
- COCO: 5,780 records
- Cityscapes: 1,724 records
- OpenImages: 4,092 records
- Total winner records: 422,032

## Export Note

Two SAV pairs were excluded from this export after transient filesystem I/O errors during packaging. The final winner count is 422,032 records.