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feat: Introduce automatic language detection in TesseractOcrCliModel (#800)

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* feat: Introduce automatic language detection in tesseract_ocr_cli model. Extend unit tests.

Signed-off-by: Nikos Livathinos <nli@zurich.ibm.com>

* docs: Add example how to use "auto" language with tesseract OCR engines

Signed-off-by: Nikos Livathinos <nli@zurich.ibm.com>

* fix: Refactor the TesseractOcrModel and TesseractOcrCliModel to validate if the auto-detected
language is installed in the system and if not fall back to a default option without language.

Signed-off-by: Nikos Livathinos <nli@zurich.ibm.com>

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Signed-off-by: Nikos Livathinos <nli@zurich.ibm.com>
This commit is contained in:
Nikos Livathinos
2025-01-26 08:07:56 +01:00
committed by GitHub
parent 9e4ca90db1
commit 3be2fb581f
6 changed files with 154 additions and 38 deletions
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docling/utils/ocr_utils.py Normal file
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def map_tesseract_script(script: str) -> str:
r""" """
if script == "Katakana" or script == "Hiragana":
script = "Japanese"
elif script == "Han":
script = "HanS"
elif script == "Korean":
script = "Hangul"
return script