Can you please provide exact error message? If it is in spain because of your locale, try to run LC_ALL=C ./api_test
What is the result of tesseract executable (tesseract binaria2.png binaria2 -psm 7)? Zdenko On Tue, Dec 10, 2013 at 8:37 AM, adrian company <[email protected]> wrote: > 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]> 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. > 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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