I'm using Ubuntu 12.04, with tesseract version 3.02 and using Eclipse CDT El martes, 10 de diciembre de 2013 08:17:31 UTC+1, zdenop escribió: > > 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]<javascript:> > > 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]<javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> 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] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > >
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