I am sorry I miss understand your code: I was expecting that in do/while loop you are iterating over file list. IMO its inefficient to initialize tesseract for each image.
Zdenko po 24. 6. 2019 o 11:06 _ Flaviu <[email protected]> napísal(a): > > I think there no loop there, it is just an do/while(FALSE), those Clear and > pixDestroy is called every time when an images are read. > > On Monday, June 24, 2019 at 11:52:11 AM UTC+3, zdenop wrote: >> >> And also pixDestroy should be in loop too. You just create new objects and >> you did not destroy them, so why you wander you run out of memory? >> >> >> Zdenko >> >> >> po 24. 6. 2019 o 10:35 Zdenko Podobny <[email protected]> napísal(a): >>> >>> IMHO you should call Clear in loop with SetImage : >>> https://github.com/tesseract-ocr/tesseract/blob/master/src/api/baseapi.h#L675 >>> >>> Zdenko >>> >>> >>> po 24. 6. 2019 o 10:25 _ Flaviu <[email protected]> napísal(a): >>>> >>>> I come in just in time: I have developed a little test application, which >>>> have debug and release, source code, and exe. >>>> >>>> Here is the code that get text from images: >>>> >>>> BOOL CTemp::GetTextFromImage(CString sFileName) >>>> { >>>> PIX* pix = NULL; >>>> tesseract::TessBaseAPI Tess; >>>> >>>> do >>>> { >>>> if (Tess.Init(_T("C:\\tessdata-master\\"), _T("eng"), >>>> tesseract::OcrEngineMode::OEM_TESSERACT_LSTM_COMBINED)) >>>> { >>>> m_sError.Format(_T("OCRTesseract: Could not initialize tesseract.")); >>>> break; >>>> } >>>> // read image >>>> PIX* pix = pixRead(sFileName); >>>> if (! pix) >>>> { >>>> m_sError.Format(_T("Cannot open input file: %s."), sFileName); >>>> break; >>>> } >>>> // recognize >>>> Tess.SetImage(pix); >>>> } >>>> while (FALSE); >>>> >>>> // cleanup >>>> pixDestroy(&pix); >>>> Tess.Clear(); >>>> Tess.End(); >>>> >>>> return m_sError.IsEmpty(); >>>> } >>>> >>>> Of course, you have put tessdata-master folder in C: >>>> >>>> The test app has an menu item: File->Read images, and from that >>>> CFileDialog you can select multiple image file, and you can see the state >>>> of reading in the statusbar. >>>> >>>> If you intend to run this project on you machine, you have modify yourself >>>> the paths in project settings. No big deal. The project is a VS2017 >>>> project, MFC. >>>> >>>> I run this app on few Win10 64bit machines, with the same results. I have >>>> loaded for my tests 14 images, and after all image has been converted, the >>>> test app took 466 MB, and after these 14 images has been loaded again, the >>>> app took 883 MB, after I loaded again, 1307 MB, and so on ... the only way >>>> to free RAM is to stop the app and start again ! Sad :( >>>> >>>> Here is the link for attachements: >>>> https://1drv.ms/f/s!AtSPCxnvttzegw6QHz8RAOjJq8fe >>>> >>>> >>>> On Monday, June 24, 2019 at 10:53:40 AM UTC+3, zdenop wrote: >>>>> >>>>> AFAIR: there were always problem with windows tesseract debug build >>>>> (MSVC). Release version works fine, but debug failed. So it would be >>>>> great if somebody experienced with windows debugging have a look at this. >>>>> >>>>> Zdenko >>>>> >>>>> >>>>> ne 23. 6. 2019 o 20:29 _ Flaviu <[email protected]> napísal(a): >>>>>> >>>>>> Ok, good idea, I am working right now on a simple testing app that prove >>>>>> the issue. I will come back as soon as I can. >>>>>> >>>>>> On Thursday, June 20, 2019 at 2:02:12 PM UTC+3, _ Flaviu wrote: >>>>>>> >>>>>>> I am using tesseract 4 on a VC++ (MFC) app, to read text from images >>>>>>> (A4 sizes). I noticed that while I using this app on several PCs (Win10 >>>>>>> 64 bit, *GB RAM), the RAM occupied by my app (that use tesseract) is >>>>>>> increasing on and on. If I read 14 images, my app eat 470 MB, and if I >>>>>>> didn't close the app and read again all these 14 images, the RAM eaten >>>>>>> by my app is increasing until ~800MB, and if continue to read the same >>>>>>> images, the RAM is increasing on an on. Why is this happen ? >>>>>>> >>>>>>> Here is the code that I am using for tesseract: >>>>>>> >>>>>>> BOOL CMyClass::GetTextFromImage() >>>>>>> { >>>>>>> PIX* pix = NULL; >>>>>>> tesseract::TessBaseAPI* pTess = new tesseract::TessBaseAPI; >>>>>>> >>>>>>> do >>>>>>> { >>>>>>> if (pTess->Init(...)) >>>>>>> { >>>>>>> m_sError.Format(_T("OCRTesseract: Could not initialize tesseract.")); >>>>>>> break; >>>>>>> } >>>>>>> // setup >>>>>>> // read image >>>>>>> PIX* pix = pixRead(m_sFileName); >>>>>>> if (! pix) >>>>>>> { >>>>>>> break; >>>>>>> } >>>>>>> // recognize >>>>>>> pTess->SetImage(pix); >>>>>>> } >>>>>>> while (FALSE); >>>>>>> >>>>>>> // cleanup >>>>>>> // pTess->Clear(); >>>>>>> // pTess->End(); >>>>>>> delete pTess; >>>>>>> pTess = NULL; >>>>>>> pixDestroy(&pix); >>>>>>> >>>>>>> return TRUE; >>>>>>> } >>>>>>> >>>>>>> >>>>>>> Is there anything wrong here ? Why is increasing RAM while I am using >>>>>>> tesseract ? >>>>>>> >>>>>> -- >>>>>> 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]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at https://groups.google.com/group/tesseract-ocr. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/tesseract-ocr/e338cc87-e7c3-4bb0-bd94-632185e25652%40googlegroups.com. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>> -- >>>> 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]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at https://groups.google.com/group/tesseract-ocr. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/tesseract-ocr/00b7d682-befa-46d9-8c44-e349c5824d03%40googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. > > -- > 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]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/ddea01e6-dcdd-4f17-932c-363d46d25fc4%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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