Baseline detection

[Paul]

I know that Tesseract calculates baseline information during the
recognition process.

Is there a way to extract information about the coordinates of the
baselines (and maybe about the parallel lines that have been detected,
too)?

I want to write these information to a file, so that I can draw the
detected baselines on the scanned image.

[Paul]

Nobody cares.

[zdenko podobny]

You can get it from ResultIterator e.g. you create result iterator (tesseract::ResultIterator* ri = api->GetIterator()) and then in loop you retrieve information about e.g. line baseline with ri->Baseline(tesseract::RIL_TEXTLINE, &x1, &y1, &x2, &y2);

There was full example in issue 384[1], but it looks like attachment is truncated to zero for closed (old?) issue.

[1] https://code.google.com/p/tesseract-ocr/issues/detail?id=384

Zdenko

On Sun, Mar 16, 2014 at 12:37 PM, Paul <pa...@vorb.de> wrote:

Nobody cares.

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[Paul]

Thanks a lot!

Paul