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# Image editing checklist dataset
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This download contains 27,779 records and 37,379 unique image files.
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The 8 independent `.tar.gz` archives preserve the `images/...` paths
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referenced by `data.json`. Shared source images are stored only once.
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## Download and extract
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Download `data.json`, every `images-*.tar.gz` archive, and `SHA256SUMS` into
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one directory. Each archive can be extracted independently into that same
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directory. All archives are needed to use every record:
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```bash
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for archive in images-*.tar.gz; do
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tar -xzf "$archive"
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done
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```
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After extraction, the directory contains `data.json` and `images/`.
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Resolve both image fields relative to this directory.
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## Fields
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- `instruction`: the editing instruction.
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- `source_image`: the relative path to the original image.
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- `edited_image`: the relative path to the edited image.
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- `checklist`: questions, dimensions, and binary answers (1 = satisfied,
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0 = not satisfied).
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`data.json` and all image bytes are preserved without rewriting or resizing.
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The archive file size limit is in decimal GB (1 GB = 1,000,000,000 bytes).
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Gzip level 1 is used; these archives are not parts of a split gzip stream.
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## Integrity
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The packaging script writes `SHA256SUMS` only after all archives are complete.
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Use `pack_images.py --dst-root /path/to/this/directory --verify` for checksum
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and archive-content verification without extracting any files.
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On Linux, `sha256sum -c SHA256SUMS` performs checksum verification only;
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on macOS, use `shasum -a 256 -c SHA256SUMS`.
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## Distribution notes
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These are ordinary download archives, not WebDataset shards. The full JSON
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references images across archives. This layout does not configure the Hugging
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Face Dataset Viewer to display paired images automatically.
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Before public release, complete the dataset name, source/annotation provenance,
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citation and applicable license in this card. No license is assigned by this
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packaging utility.
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