[tesseract-ocr] Simple Tesseract OCR in .NET 4+?

2017-02-27 Thread Cetor Notorious
Hi everybody,

I was wondering if anyone had a tutorial / example code that is really 
simple.
It just needs to recognize text from a webimage, and return the recognized 
text.

I would like to make it where I can have this entire piece in one DLL so 
it's easy to use.

Is anyone able to help me?

Have a wonderful day :)

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[tesseract-ocr] Re: Blacklist and whitelist

2017-02-27 Thread Quan Nguyen
I observed the same thing in my recent tests of Tess 4.00alpha.

On Monday, February 27, 2017 at 12:36:10 PM UTC-6, Alex Grishin wrote:
>
> Good day!
> I tried to use blacklist and whitelist abilities but I found that they do 
> not work in Tesseract 4. Although the variables are initialized correctly the 
> program still does not work properly.
>

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[tesseract-ocr] Blacklist and whitelist

2017-02-27 Thread Alex Grishin
Good day!
I tried to use blacklist and whitelist abilities but I found that they do 
not work in Tesseract 4. Although the variables are initialized correctly the 
program still does not work properly.

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[tesseract-ocr] RE: OCR identifications

2017-02-27 Thread Aman Dalmia
I have an image in which there are few characters. I want to identify it 
and it has to processed on real time basis. 

How to crop the only the text/digits part from the complete image? 
And  then I need to send that "cropped image" to tesseract engine to 
identify the characters and digit. 

I am a newbie. (Preferable language C++)

Please help me in detail. If there is an existing project, please provide a 
code.
Thanks 

Aman

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[tesseract-ocr] Re: Characters whitelist.

2017-02-27 Thread Subhodeep Maji
Did you get any answer ? I am facing the same issue.

On Friday, 22 July 2011 22:24:32 UTC+5:30, MARTIN Pierre wrote:
>
> Hello,
>
> i previously was using an older version of tesseract, and i have switched 
> to svn HEAD. i have an issue i didn't have with the previous version. 
> before each recognition i'm setting the whitelist parameter to only 
> numerical digits and "<" and ">". Also, i'm using a trained data i have 
> created from scratch, but which contains all the alphabet for this font...
>
> The command i use is:
> [My stuff...]
> _tessApi->setVariable("tessedit_char_whitelist", "><0123456789");
> [Start recognition...]
> Sample of a result i get:
> 3000657806S<00S60':0<3000657B0<
>
> As you can notice, the whitelist is completely ignored… On the previous 
> version it helped tesseract a lot using the whitelist because some 
> characters could not be "mistaken" for others.
>
> Do you have any idea what i'm doing wrong here?
> Thanks a lot for your kind help!
> Pierre.
>
>

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