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default_crop_v1.md

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+---
+license: agpl-3.0
+language:
+- cs
+library_name: ultralytics
+pipeline_tag: object-detection
+tags:
+- cropilot
+- yolo
+- document-layout-analysis
+- document-cropping
+- digitization
+---
+
+# Default Crop v1
+
+`default_crop_v1.pt` is a Cropilot model for detecting page crop regions in scanned printed documents. It is the general-purpose default crop model, trained on a mixed corpus of books, magazines, and newspapers.
+
+It is published here as a reusable model artifact for use in the [Cropilot](https://github.com/moravianlibrary/cropilot) document-cropping ecosystem.
+
+## License
+
+Released under the GNU Affero General Public License v3.0 (`AGPL-3.0`).
+
+## Model File
+
+- File: `default_crop_v1.pt`
+- Base model: YOLO11s
+- Task: object-detection (page crop region)
+
+## Intended Use
+
+This model is intended for semi-automated processing in a Cropilot workflow:
+
+1. Compressed JPEGs are created from original scans (e.g. TIFF).
+2. Cropilot runs AI detection using this model.
+3. A human operator reviews and corrects the result in the Cropilot editor.
+4. Final crops are applied to the original scans by the production tooling.
+
+The model handles both **single-page** and **double-page (spread)** scans, making it a good general default when the document type is mixed or unknown.
+
+## Recommended Integration
+
+Typical Cropilot settings for this model:
+
+- Crop model: `default_crop`
+- Rotation model: `text`
+
+## Training Data
+
+The model was trained on a mixed corpus of digitized printed documents covering both single-page and double-page layouts. Approximate composition:
+
+- ~80% books
+- ~15% magazines / periodicals
+- ~5% newspapers
+
+The material spans roughly **1950–2010**.
+
+## Limitations
+
+- Performance is strongest on recent books; older material, heavily illustrated layouts, or document types outside the training mix may need validation or further fine-tuning.
+- Book covers are detected poorly.
+
+## Example Download
+
+```python
+from huggingface_hub import hf_hub_download
+
+path = hf_hub_download(
+    repo_id="cropilot-community/default_crop_v1",
+    filename="default_crop_v1.pt",
+)
+print(path)
+```
+
+## Versioning
+
+This repository stores **v1** of the default crop model. Newer fine-tuned models should be published as separate `v<n>` repositories so deployments remain reproducible.

default_crop_v1.pt

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