Hi all
I have 2 questions and I'll be very pleased if someone can help me.
I'm using v3.0.0 API.

The original questions are posted to stackoverflow. The links are:
http://stackoverflow.com/questions/4944830/how-to-make-tesseract-to-recognize-only-numbers-when-they-are-mixed-with-letters

and

http://stackoverflow.com/questions/4945148/how-to-make-tesseract-to-give-relevant-results-in-the-presence-of-noise

The second one has a picture too, so you better check it out there.
But I'll copy the text here.

1.How to make tesseract to recognize only numbers, when they are mixed
with letters?

I want to use tesseract to recognize only numbers. The problem is that
I have mixture of
numbers & letters and when I use
SetVariable("tessedit_char_whitelist", "0123456789")
for every symbol tesseract returns wrong digit.

Can I set a threshold value so that tesseract omits the symbols with
low resemblance?

NOTE: I set tesseract to recognize only digits so there is no
confusion between O and 0.

2. How to make tesseract to give relevant results in the presence of
noise?

When there is something too small for tesseract to recognize it seems
it's merged with other fragments. As a result nothing relevant is
returned.

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