Hi
i got a problem in using the new language tessdata vch i trained for the
detection of number plates..(a combination of numbers and alphabets...)the
training gone fine and if i test the new language in cmd promt it is gvng me
exact values but if iam trying to use the same lpr lang in the application
of Emgucv (licenseplate recognition )application it is not taking my new
language but not gvng any error msgs but iam not getting any output(i
observed that the execution skips at the point it calls the following stmt)
_ocr.Init("lpr", false)
please help in this reard wat to do?
u can find the code for the license plate recognition in the below link..
http://emgucv.svn.sourceforge.net/viewvc/emgucv/trunk/Emgu.CV.Example/LicensePlateRecognition/LicensePlateDetector.cs?revision=468&view=markup
On Fri, Sep 18, 2009 at 10:43 AM, Svetlin Nakov <[email protected]> wrote:
>
> I had a similar problem. You should do 2 things:
>
> 1) Remove the background - any color which is not light blue or similar to
> it should be removed - it is easy to implement in C++
> 2) Train tesseract to recognize digits only with your particular font.
> Instead using "English" or "German" as a language, train your own language
> called "digits" that is trained on digits only. This will do the job.
>
> Regadrs,
>
> Svetlin Nakov
> Managing Partner
> Consulting and Information Technology Agency
> http://www.citagency.eu
>
> -----Original Message-----
> From: [email protected] [mailto:
> [email protected]]
> On Behalf Of Georg Oberth
> Sent: Thursday, September 17, 2009 10:46 PM
> To: [email protected]
> Subject: AW: Need to OCR a number display
>
> No actually I'm trying to read a meter display. To make things worse they
> are white numbers on black bkg.
> I am using 2.04 (which I believe is the latest version).
> What is svn?
> Do you know the variable name for "numbers only"?
> My numbers are 100 pixels tall - is that a problem?
> Sorry for all the questions.
> Thank you
>
>
> Georg Oberth
> [email protected]
> www.godata.at
> 0043-676-692-6070
> 0043-3127-88121
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected] [mailto:[email protected]
> ]
> Im Auftrag von SteveP
> Gesendet: Thursday, September 17, 2009 9:13 PM
> An: tesseract-ocr
> Betreff: Re: Need to OCR a number display
>
>
> One other thought: You have the words "number display" in the title
> of this thread. Are you using something like a 7-segment LED numeric
> display? If so, that might require training. About 6 months ago,
> someone posted about that.
>
> On Sep 17, 12:03 pm, "Georg Oberth" <[email protected]> wrote:
> > Hi Steve,
> > Thanks a lot for the info. I'll try it right away.
> > Have a nice day!
> >
> > Georg Oberth
> > [email protected]
> > 0043-676-692-6070
> > 0043-3127-88121
> > -----Ursprüngliche Nachricht-----
> > Von: [email protected]
> [mailto:[email protected]]
> > Im Auftrag von SteveP
> > Gesendet: Thursday, September 17, 2009 8:57 PM
> > An: tesseract-ocr
> > Betreff: Re: Need to OCR a number display
> >
> > For numbers only I suggest getting the latest source version using
> > svn,
> > using the traineddata file that it contains instead of training
> > tesseract, and setting the variable for 'numbers only' using a
> > config. Resize your image if necessary to make the digits at least 20
> > pixels high. (Even without specifying 'numbers only', I get great
> > results on numbers from the above approach.)
> >
> > On Sep 17, 11:35 am, georg <[email protected]> wrote:> Hi All,
> > > I have to OCR files that contain numbers only.
> > > I took a bunch of them and assemble them into a tif.
> > > Then I used Owlboxer to generate a box file and then proceeded to
> > > create all the goofy files needed as per the instructions
> >
> > inhttp://code.google.com/p/tesseract-ocr/wiki/TrainingTesseract
> >
> >
> >
> > > The thing fails miserably.
> > > Any suggestions? What am I doing wrong?
> > > Thanks a lot oin advance for your help.
> > > Georg Oberth- Hide quoted text -
> >
> > - Show quoted text -
>
>
>
>
> >
>
--
Regards,
prasadNSRS
+91 9393858787
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