Correct.
> If this is the case, could you
> provide an overview of the changes required to have it again call
> Tesseract? I thought it would be a simple one line change in ocr-
> commands.cc by including the tesseract header and in the
> main_lines2fsts( ) method changing:
>
> linerec = glinerec::make_Linerec();
>
> to
>
> linerec = make_TesseractRecognizeLine();
Unfortunately, interfacing with Tesseract isn't easy; that's why we
don't have it in the default build anymore.
There is a separate subproject for a Tesseract interface called ocrotess here:
http://iupr1.cs.uni-kl.de/cgi-bin/hgwebdir.cgi/ocrotess/
> Currently Tesseract is providing us better results for our images than
> OCRopus is, but we would like to see the results that OCRopus gives
> when it is using Tesseract.
It's pointless to carry out performance comparisons between OCRopus
and Tesseract right now; the models shipping with the OCRopus
recognizer have been trained on only a small number of characters and
styles. They will perform well on some styles and poorly on others,
depending on resolution and fonts.
Furthermore, for book recognition, you should use book-adaptive
recognition with OCRopus, which results in substantial improvements in
recognition rates.
Tom
The OCRopus line recognition command is "ocropus lines2fsts"; by
default, it uses the line recognizer defined in ocr-line, which has
nothing to do with Tesseract. OCRopus doesn't even link with
Tesseract by default anymore.
After the beta release, we hope to restore Tesseract as an optional
line recognizer as a plug-in (since OCRopus now supports plugins).
Tom
Unfortunately, interfacing with Tesseract isn't easy; that's why we
don't have it in the default build anymore.
There is a separate subproject for a Tesseract interface called ocrotess here:
http://iupr1.cs.uni-kl.de/cgi-bin/hgwebdir.cgi/ocrotess/
Tom
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