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Yiorgis Gozadinos 2026-01-14 12:55:02 +02:00
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8
CHANGELOG.md
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# Changelog
## [Unreleased]
### Added
- **Page Image Generation Control**: New `generate_page_images` option in `ConversionOptions` to control PDF page image extraction
- `generate_page_images: bool = True` - Enable/disable rendered page images (used by `visualize_chunk()`)
- Works with both `docling-local` and `docling-serve` converters
- For `docling-serve`, maps to `image_export_mode` API parameter (`embedded`/`placeholder`)
- Note: `generate_picture_images` (embedded figures/diagrams) works with local converter but has limited support in docling-serve
## [0.26.2] - 2026-01-13
### Changed

9
docs/configuration/processing.md
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# Image settings
images_scale: 2.0 # Image scale factor
generate_picture_images: false # Include embedded images in output
generate_page_images: true # Include rendered page images (for visualize_chunk)
generate_picture_images: false # Include embedded figure/diagram images
# VLM picture description (optional)
picture_description:
@ -82,12 +83,16 @@ conversion_options:
```yaml
conversion_options:
images_scale: 2.0 # Image resolution scale factor
generate_picture_images: false # Include embedded images in output
generate_page_images: true # Include rendered page images
generate_picture_images: false # Include embedded figure/diagram images
```
- **images_scale**: Scale factor for extracted images. Higher values = better quality but larger size. Typical range: 1.0-3.0.
- **generate_page_images**: When `true` (default), rendered images of each PDF page are included in the document. Required for `visualize_chunk()` to show visual grounding. When `false`, page images are excluded to reduce document size.
- **generate_picture_images**: When `true`, embedded images (figures, diagrams) are included as base64-encoded data in the document. When `false` (default), images are excluded to reduce chunk size and avoid context bloat.
**Note:** With `docling-serve`, `generate_picture_images` has limited support - picture image data may not be returned in the JSON response. Page images work correctly with both local and remote converters.
#### Picture Description (VLM)
Use a Vision Language Model (VLM) to automatically describe images in documents. Descriptions become searchable text, improving RAG retrieval for visual content.