What OS you use? Which tesseract version? What compiller you used? Zdenko
On Tue, Dec 10, 2013 at 7:41 AM, adrian company <[email protected]> wrote: > Hi Zdenko, > I've tried to use the code you posted here for using leptonica, and that > gives me an error saying something about min, max specificacion > (Error: Illegal min or max specification! > signal_termination_handler:Error:Signal_termination_handler called:Code > 5002) > > I've changed the OCR.SetRectangle and the same error displayed, I've tried > also with another image and the same. > > El lunes, 9 de diciembre de 2013 22:02:13 UTC+1, zdenop escribió: >> >> >> 1. Instead of function listing it is better to provide small test >> case. It save time to testers... >> 2. Skip not "relevant" code (e.g. if you are testing tesseract api, >> open image with leptonica function and not with opencv...) >> 3. You need to fix perspective of image first, so you have some >> border around text. See I did it in gimp, but maybe you can do it in >> opencv >> too... >> >> >> >> Zdenko >> >> >> On Mon, Dec 9, 2013 at 1:15 PM, adrian company <[email protected]> wrote: >> >>> Hi Nick, >>> I've took a look at api/tesseractmain.cpp as you recommend me, but I >>> cannot find anything wrong, I think. Anyway, I could post my program here >>> and try to guess what is going on with your help. >>> This is my method: >>> ___________________________________________________________________ >>> void recognizeChar(Mat imagen){ >>> >>> /*INITIALIZE (TESSERACT)*/ >>> putenv("TESSDATA_PREFIX=/usr/local/share/"); >>> setlocale(LC_NUMERIC, "C"); >>> tesseract::TessBaseAPI OCR; >>> >>> if (OCR.Init(NULL, "spa")){ >>> fprintf( stderr, "cannot could initialize tesseract.... \n" ); >>> exit(1); >>> } >>> /*CONFIGURING*/ >>> OCR.SetPageSegMode(tesseract::PSM_SINGLE_LINE); >>> api.SetVariable("tessedit_char_whitelist", " >>> ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ");//lista blanca >>> api.SetVariable("tessedit_char_blacklist" , "<> >>> abcdefghijklmnopqtrstuvwxyz./!¡$%&?¿,;+-#");//lista negra >>> OCR.SetImage(imagen.data, imagen.size().width, imagen.size().height, >>> imagen.channels(), imagen.step1()); >>> OCR.TesseractRect(imagen.data, 0, imagen.step1(), 0, 0, imagen.cols, >>> imagen.rows); >>> >>> /*GETTING READED TEXT*/ >>> char* texto = OCR.GetUTF8Text(); >>> string t1=texto; >>> t1.erase( remove(t1.begin(), t1.end(), '\n'), t1.end() ); >>> cout << "TEXTO: "<<t1.c_str() <<endl; >>> } >>> _______________________________________________________________________ >>> Thank you all. >>> >>> El martes, 3 de diciembre de 2013 11:29:58 UTC+1, Nick White escribió: >>> >>>> Hi Adrian, >>>> >>>> Well then your C++ program must be wrong in some way. The command >>>> line version doesn't do anything special, it just uses the API like >>>> anything else. Take a look at api/tesseractmain.cpp to check how >>>> your API usage differs, to find your bug. >>>> >>>> Nick >>>> >>>> On Tue, Dec 03, 2013 at 01:16:40AM -0800, adrian company wrote: >>>> > Hi Sventech, >>>> > I've tested the image with the command line version and I get the >>>> same result >>>> > as you. But when I use my own software in C++ I cannot obtain the >>>> same result, >>>> > simply get nothing. Currently I am using PSM_SINGLE_LINE, but I've >>>> said before >>>> > I've tried all the page seg modes. >>>> > I don't know what is wrong. I've reinstalled tesseract and do the >>>> same. >>>> > >>>> > >>>> > El martes, 3 de diciembre de 2013 07:29:11 UTC+1, adrian company >>>> escribió: >>>> > >>>> > And about the page seg I've tried with all the page seg but I >>>> still get >>>> > anything. >>>> > >>>> > El lunes, 2 de diciembre de 2013 16:13:17 UTC+1, sventech >>>> escribió: >>>> > >>>> > I get >>>> > V! 2\"03ENl >>>> > so you could postprocess that kind of thing to get better >>>> results -- >>>> > you need to eliminate the black border for best results. You >>>> may need >>>> > to remove noise. What page seg mode are you using? Make sure >>>> you test >>>> > with the command line version before you try your own. Also, >>>> I'm using >>>> > the latest version 3.02.02 >>>> > --Sven >>>> > >>>> > >>>> > >>>> > On Mon, Dec 2, 2013 at 6:18 AM, adrian company < >>>> [email protected]> >>>> > wrote: >>>> > >>>> > Hi again, I've tried to deskew the first image and pass >>>> it to >>>> > tesseract greater, but I have the same result, the >>>> numbers and >>>> > letters are not recognized by tesseract. I post an image >>>> where you >>>> > can see how is my image now. >>>> > Any idea??? >>>> > Thanks in advance again. >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > El jueves, 31 de octubre de 2013 07:22:53 UTC+1, adrian >>>> company >>>> > escribió: >>>> > >>>> > Thanks Sventech, I'll try to deskew the first, i'm >>>> using opencv >>>> > to prepare the image so I cannot use any program to >>>> prepare it. >>>> > I've tried to rotate the image and pass it to >>>> tesseract with >>>> > text in horizontal but tesseract outputs the same. I >>>> will also >>>> > try to pass it to in png format and I will see the >>>> result. >>>> > >>>> > >>>> > On Wednesday, October 30, 2013 3:21:58 PM UTC+1, >>>> sventech >>>> > wrote: >>>> > >>>> > In the first image you need to deskew it. There >>>> are free >>>> > programs for preparing the image, The second >>>> image appears >>>> > to be too low resolution (or letter pixel height >>>> to be >>>> > precise). Approx. 200-300dpi is ideal for >>>> tesseract's >>>> > default training. Also, JPEG is not a good format >>>> for text. >>>> > Internally it will convert to TIFF or PNG. >>>> > >>>> > >>>> > On Wed, Oct 30, 2013 at 6:50 AM, adrian company < >>>> > [email protected]> wrote: >>>> > >>>> > Hi all, I am trying to write a software to >>>> recognize >>>> > some text from an image, but when I binarize >>>> the image >>>> > and I call to tesseract engine, this does not >>>> recognize >>>> > text in image. Does somebody know why text it >>>> is not >>>> > recognized? Must I do something extra to >>>> recognize? >>>> > I attach the image I am trying to recognize >>>> text >>>> > (license plate). In this attached image the >>>> tesseract >>>> > output is nothing. >>>> > >>>> > I've also tried to recognize text from >>>> another image >>>> > (Fuma) and in this case the output is: "L I". >>>> > >>>> > Could anybody help me? >>>> > >>>> > What could be happening? >>>> > >>>> > >>>> > Thanks in advance. >>>> > Adri >>>> > >>>> > >>>> > >>>> > >>>> > -- >>>> > -- >>>> > You received this message because you are >>>> subscribed to >>>> > the Google >>>> > Groups "tesseract-ocr" group. >>>> > To post to this group, send email to >>>> > [email protected] >>>> > To unsubscribe from this group, send email to >>>> > [email protected] >>>> > For more options, visit this group at >>>> > http://groups.google.com/group >>>> /tesseract-ocr?hl=en >>>> > >>>> > --- >>>> > You received this message because you are >>>> subscribed to >>>> > the Google Groups "tesseract-ocr" group. >>>> > To unsubscribe from this group and stop >>>> receiving >>>> > emails from it, send an email to >>>> > [email protected]. >>>> > For more options, visit >>>> https://groups.google.com/grou >>>> > ps/opt_out. >>>> > >>>> > >>>> > >>>> > >>>> > -- >>>> > ``All that is gold does not glitter, >>>> > not all those who wander are lost; >>>> > the old that is strong does not wither, >>>> > deep roots are not reached by the frost. >>>> > From the ashes a fire shall be woken, >>>> > a light from the shadows shall spring; >>>> > renewed shall be blade that was broken, >>>> > the crownless again shall be king.” >>>> > >>>> > -- >>>> > -- >>>> > You received this message because you are subscribed to >>>> the Google >>>> > Groups "tesseract-ocr" group. >>>> > To post to this group, send email to >>>> [email protected] >>>> > To unsubscribe from this group, send email to >>>> > [email protected] >>>> > For more options, visit this group at >>>> > http://groups.google.com/group/tesseract-ocr?hl=en >>>> > >>>> > --- >>>> > You received this message because you are subscribed to >>>> the Google >>>> > Groups "tesseract-ocr" group. >>>> > To unsubscribe from this group and stop receiving emails >>>> from it, >>>> > send an email to [email protected]. >>>> > For more options, visit https://groups.google.com/grou >>>> ps/opt_out. >>>> > >>>> > >>>> > >>>> > >>>> > -- >>>> > ``All that is gold does not glitter, >>>> > not all those who wander are lost; >>>> > the old that is strong does not wither, >>>> > deep roots are not reached by the frost. >>>> > From the ashes a fire shall be woken, >>>> > a light from the shadows shall spring; >>>> > renewed shall be blade that was broken, >>>> > the crownless again shall be king.” >>>> > >>>> > -- >>>> > -- >>>> > You received this message because you are subscribed to the Google >>>> > Groups "tesseract-ocr" group. >>>> > To post to this group, send email to [email protected] >>>> > To unsubscribe from this group, send email to >>>> > [email protected] >>>> > For more options, visit this group at >>>> > http://groups.google.com/group/tesseract-ocr?hl=en >>>> > >>>> > --- >>>> > You received this message because you are subscribed to the Google >>>> Groups >>>> > "tesseract-ocr" group. >>>> > To unsubscribe from this group and stop receiving emails from it, >>>> send an email >>>> > to [email protected]. >>>> > For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "tesseract-ocr" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected] >>> For more options, visit this group at >>> http://groups.google.com/group/tesseract-ocr?hl=en >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "tesseract-ocr" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- > -- > You received this message because you are subscribed to the Google > Groups "tesseract-ocr" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/tesseract-ocr?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "tesseract-ocr" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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