Hello Jeff,
Thanks for your reply, I Updated Leptonica version 1.71, after tha i am
faceing error like. *LNK1104: cannot open file 'liblept171d.lib*'. So, how
to get this lib file? which is not available . Please suggested me.
On Monday, 29 June 2015 13:16:53 UTC+5:30, Jeff Breidenbach
Hi,
I would like to recognize only digits with the code sample below:
try
{
System.Drawing.Bitmap imagee=new Bitmap(pictureBox1.Image);
System.Drawing.Bitmap
As the first mandatory step you need to do perspective correction, e.g.
using paper sheet boundaries (is it a lottery ticket?)
Then depending on how it goes further with Tesseract you may need either to:
- Train for this particular font
- Blur a bit to make characters more fleshy
- Scale down
Unfortunately, I think there is nothing we can do. I've done everything I
can to
maximize compatibility with various PDF rendering engines, but Preview uses
particularly terrible text extraction heuristics. To be fair, the root
problem is
the design and complexity of the PDF specification
You need version 1.71 or later. Current leptonica release is 1.72.
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To
Not available currently, and pretty major effort required to make it happen,
both in Leptonica and Tesseract's PDF output module. No plans to work
on this. For other formats we try hard to not re-encode during PDF
generation
whenever practical.
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