Posts

Create searchable pdf with c++ and tesseract

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Many office machines creates pdf as result of scan instead of  image. Unfortunately not always they includes also text layer for copy&paste or they include text layer based on default language of scanner and not document language. In such cases you can use  tesseract to crete "searchable pdf".

Fix page orientation and skew with leptonica

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 First part of processing scanned images si fix page orientation and possible image skew.

Visualize Tesseract Box File

 Simply python (only PIL) tesseract box file visualisation.

Show OCR progress

OCR process can last for a while, so monitoring progress could help. Here is simple example how to do in console app.

How to update VS 2019 comunity from command line

 You can quietly update your community version of Visual studio.

OpenCV and tesseract

Do you need to OCR OpenCV image? No problem with tesseract.

Custom OCR application in C++

 Do you want to create own OCR application? It is easy.