Scanning for OCR

At this time (2016) The scanning from withing the GUI programs does not support duplex scanning. xsane supports Duplex scanning fairly well - set the number of pagers to some high number.

Cutting the binding of books off with a guillotine paper cutter and feeding through a snap-scan scanner works pretty well. Having searchable text increases the value of a book.

OCR engines

GUI front end to OCR engines

Clear-scan vs Searchable Image

There are two approaches - put a text layer under a bitmap (searchable image) - or make a real document with fonts and pictures where needed (clear-scan) . (Hopefully a ODT file ). Editable Clear-scan to a ODT file is the goal we need to seek. This gives us an editable file that is an open standard - thus will not lose compatibility.

As of 2016 there isn't a good clear-scan solution. Diagrams with text confuse the software. A perfect solution might take some AI Some issues:

Convert PDF to ODT

pdfocr ??

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