Simple OCR

Stable version 2.1.1 (Compatible with OutSystems 11)
Other versions available for 10
Published on 27 November 2018 by 
5.0
 (2 ratings)

Simple OCR

Details
Simple OCR extension provides OCR function by Tesseract 4.0.0. https://github.com/tesseract-ocr/tesseract/releases/tag/4.0.0
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Simple OCR provides simple OCR function by Tesseract 4.0.0. https://github.com/tesseract-ocr/tesseract/releases/tag/4.0.0 


.NET wrappers published on below site are used with some modifications. https://github.com/tvn-cosine 

The contents of these modifications are included as patch files in this extension. 

The SimpleOCR extension has two server actions: 

  • ExtractTextFromImage 
  • Input: 
    • - ImagePath /Text: Path to a image file. e.g. "C:\Users\VO80825\Desktop\sample.png" 
  • - Language /Text: Language specification for Tesseract 4.0.0. e.g. "eng" 
  • - DataPath /Text: Path to a directory containing language trained data.  e.g. "C:\Users\VO80825\Desktop\tessdata". When ommiting the parameter, "\tessdata" or "\bin2\hidden_resources" are used instead. 
  • Output: 
  • - Output /Text: Extracted text.
  • ExtractTextFromMemImage (since ver.2) 
  • Input:
  • - Image /Binary: Binary value that contains image file's contents. 
  • - Language /Text: Language specification for Tesseract 4.0.0. e.g. "eng" 
  • - DataPath /Text: Path to a directory containing language trained data.  e.g. "C:\Users\VO80825\Desktop\tessdata". When ommiting the parameter, "\tessdata" or "\bin2\hidden_resources" are used instead. 
  • Output: 
  • - Output /Text: Extracted text. You can download other language trained data from https://github.com/tesseract-ocr/tesseract/wiki/Data-Files

  • The SimpleOCR extension supports LSTM based trained data only. 
  • Download trained data files from the "Updated Data Files for Version 4.00" section of above page. 
  • Sample usages of the extension are published as following modules. 

  • Simple OCR Sample - Web app sample https://www.outsystems.com/forge/component/3500/simple-ocr-sample/ 
  • Simple OCR Sample Mobile - Mobile app sample https://www.outsystems.com/forge/component/3501/simple-ocr-sample-mobile/
What’s new (2.1.1)
  • One lacked dll added.
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