Have a look at the options "tessedit_char_blacklist" and
"tessedit_char_whitelist". You could blacklist any ligatures you aren't
interested in.
Or go the other way and just whitelist the things you want - for instance
you could whitelist to just the printable ascii characters.
John
On Monday, 8 June 2015 17:22:10 UTC+1, Rick Leir wrote:
>
> This problem with ligatures or digraphs is appearing frequently, how can
> I avoid it? I want simple output text, without ligatures. It is possible
> that the 'f' and 'i' are touching in the image. Is there a way to pass
> hints to Tesseract? Version 3.03 on Linux. TIA
>
> image text: fish
> OCR: "\x{fb01}sh";
> utf8: fish
>
> image text: flambeau
> OCR: "\x{fb02}ambeau,";
> utf8: flambeau,
>
> "\x{fb01}xed";
> fixed
>
> "arti\x{fb01}cial";
> artificial
>
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