Multilingual Document Extraction Optimization Solution
For mixed English/Japanese/Korean documents, VOP provides a three-level processing strategy:
- Language Pack Configuration::
- compiler
config/languages.jsonAdd language combinations - Install the corresponding Tesseract language packs (e.g.
tesseract-langpack-jpn)
- compiler
- operating parameter: Use
--lang eng+jpn+korClearly specify the language combinations and pay attention:- Language order is in descending order of document share
- Each language is linked by + without spaces
- Post-processing optimization::
- Stage 1 Post-Output Inspection
temp/lang_detect.log - Adjust language weights individually for pages with low recognition rates
- Stage 1 Post-Output Inspection
Practice tip: For CJK mixed tables, prioritize the use of the--mode tableWorks with the Google Vision API (required ingoogle_credentials.jsonstart usingdocumentai.googleapis.com(Services).
This answer comes from the articleVOP: OCR Tool for Extracting Complex Diagrams and Math FormulasThe
May not be reproduced without permission:AI productivity tools " How to Improve the Text Extraction Completeness Rate of Mixed Multilingual Documents?
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