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EliSchwartz 1569e42f84 feat: implement GraniteVisionTableStructureModel for VLM-based table extraction (#3323)
Add a new table structure model using IBM Granite Vision to extract table
structure from document images via OTSL token generation.

Changes:
- Add `GraniteVisionTableStructureOptions` with configurable model repo,
  device, batch size, and crop padding options
- Implement `GraniteVisionTableStructureModel` that uses a VLM pipeline to
  generate OTSL tokens from cropped table images, then parses them into
  `TableData` with cells, rows, and columns
- Register the model in `table_structure_engines` alongside existing engines
- Add example script `docs/examples/granite_vision_table_structure.py`
- Add tests covering options, model enable/disable, OTSL parsing (including
  self-closing tags xcel/srow/ecel), and invalid-backend error handling
- Update model catalog docs and CI workflow accordingly

Signed-off-by: Eli Schwartz <eli.shw@gmail.com>
2026-04-17 11:02:20 +02:00
..
2025-10-21 17:31:28 +02:00