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tldr/pages/common/tesseract.md
Lucas Gabriel Schneider a5fe31bc47
multiple pages: format technical tokens (#5119) 
Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
2021-01-31 12:05:18 -05:00

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tesseract

OCR (Optical Character Recognition) engine. More information: https://github.com/tesseract-ocr/tesseract.

  • Recognize text in an image and save it to output.txt (the .txt extension is added automatically):

tesseract {{image.png}} {{output}}

  • Specify a custom language (default is English) with an ISO 639-2 code (e.g. deu = Deutsch = German):

tesseract -l deu {{image.png}} {{output}}

  • List the ISO 639-2 codes of available languages:

tesseract --list-langs

  • Specify a custom page segmentation mode (default is 3):

tesseract -psm {{0_to_10}} {{image.png}} {{output}}

  • List page segmentation modes and their descriptions:

tesseract --help-psm