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/