Booru Quality 80 Union SQLite DB
This dataset contains SQLite metadata databases and reproducible scripts for a high-quality Danbooru/Gelbooru metadata union. It does not contain image files. The image locations are URL metadata only.
Main File
Use data/quality_80_union.db as the main entrypoint.
SELECT COUNT(*) FROM images;
SELECT md5, canonical_rating, quality_score, canonical_file_url
FROM images
WHERE quality_score >= 0.8
ORDER BY quality_score DESC
LIMIT 20;
Contents
| Path | Purpose |
|---|---|
data/quality_80_union.db |
Main md5-deduplicated quality union DB |
data/gelbooru.db |
Normalized Gelbooru source metadata DB |
data/danbooru2025_candidate.db |
Danbooru source metadata DB with md5 |
data/danbooru.db |
Older Danbooru DB retained for compatibility |
scripts/convert_danbooru.py |
Danbooru converter |
scripts/convert_gelbooru.py |
Gelbooru converter |
scripts/build_quality_union_db.py |
Union DB builder |
scripts/maintenance/repair_quality_percentiles.py |
Percentile repair/provenance script |
docs/database.md |
Detailed schema and usage notes |
dataset_manifest.json |
File sizes, checksums, and DB stats |
quality_80_union.db Facts
| Metric | Value |
|---|---|
Rows in images |
2,988,704 |
Columns in images |
35 |
quality_score >= 0.8 |
2,973,255 |
quality_score < 0.8 |
15,449 |
| Selected by Gelbooru 80 | 2,034,916 |
| Selected by Danbooru 80 | 1,850,329 |
| Selected by both | 896,541 |
| Selected by neither | 0 |
images is the md5-deduplicated union of the Gelbooru 80th-threshold selection
and the Danbooru 80th-threshold selection.
Quality Score
quality_score uses rating_bucket_cume_dist_v1:
pct(score, rating) = count(score <= current_score within rating) / count(rating)
quality_score = max(gelbooru_score_pct, danbooru_score_pct)
The score range is 0..1. image_parquet_file is reserved for future local
image parquet shard filenames and is nullable in the current DB.
URL Fields
canonical_file_url is the unified original-file URL. Source-specific URLs are
also kept in gelbooru_file_url and danbooru_file_url.
Upstream Sources
trojblue/danbooru2025-metadataAngelBottomless/Booru-Parquets(gelbooru.parquet)
Safety and Usage Notes
This is metadata for booru content and may include explicit/questionable rating rows. Users are responsible for filtering ratings and complying with source-site terms and local rules. This upload does not grant rights to download or reuse third-party images.
- Downloads last month
- 2,894