3.04 version is too old. nobody will check it/improve it. Please use current tesseract version.
Zdenko On Tue, Nov 28, 2017 at 12:56 AM, ppsupport1 <[email protected]> wrote: > > > We see this same error using 3.04 tesseract branch build (w/leptonica 172 > branch). > > We use default build : > ./configure > make DESTDIR=/tmp/tesseract304/ install > > Then we 'strip --strip-debug *' on the bin + lib folders. install into > /usr/local/lib using mksquashfs > > We do not see these errors when we run under the same code built on > windows. > In both cases everything works as expected, only on linux do we see these > errors. > > It's not clear exactly where in the code these are emanating from. > > Example output: > Total count=0 > Min=0.00 Really=0 > Lower quartile=0.00 > Median=0.00, ile(0.5)=0.00 > Upper quartile=0.00 > Max=0.00 Really=0 > Range=1 > Mean= 0.00 > SD= 0.00 > Bottom=0, top=533, base=0, x=0 > > Total count=0 > Min=0.00 Really=0 > Lower quartile=0.00 > Median=0.00, ile(0.5)=0.00 > Upper quartile=0.00 > Max=0.00 Really=0 > Range=1 > Mean= 0.00 > SD= 0.00 > Bottom=0, top=533, base=0, x=0 > > Library info: > ldd /usr/local/lib/libtesseract.so > linux-gate.so.1 (0xb77c3000) > liblept.so.4 => /usr/local/lib/liblept.so.4 (0xb7160000) > libpng16.so.16 => /usr/local/lib/libpng16.so.16 (0xb713a000) > libjpeg.so.62 => /usr/local/lib/libjpeg-turbo/libjpeg.so.62 > (0xb70c2000) > libtiff.so.5 => /usr/local/lib/libtiff.so.5 (0xb7058000) > liblzma.so.5 => /usr/local/lib/liblzma.so.5 (0xb703a000) > libz.so.1 => /usr/lib/libz.so.1 (0xb7028000) > libpthread.so.0 => /lib/libpthread.so.0 (0xb7000000) > libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb6edd000) > libm.so.6 => /lib/libm.so.6 (0xb6e9d000) > libc.so.6 => /lib/libc.so.6 (0xb6d88000) > libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0xb6d71000) > /lib/ld-linux.so.2 (0x80026000) > ldd /usr/local/lib/liblept172.so > linux-gate.so.1 (0xb771f000) > libm.so.6 => /lib/libm.so.6 (0xb74d5000) > libz.so.1 => /usr/lib/libz.so.1 (0xb74c3000) > libpng16.so.16 => /usr/local/lib/libpng16.so.16 (0xb749d000) > libjpeg.so.62 => /usr/local/lib/libjpeg-turbo/libjpeg.so.62 > (0xb7425000) > libtiff.so.5 => /usr/local/lib/libtiff.so.5 (0xb73bb000) > libc.so.6 => /lib/libc.so.6 (0xb72a8000) > /lib/ld-linux.so.2 (0x8002a000) > libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0xb7291000) > liblzma.so.5 => /usr/local/lib/liblzma.so.5 (0xb7273000) > libpthread.so.0 => /lib/libpthread.so.0 (0xb725c000) > > # via git branch 3.04 > /tesseract-ocr/tesseract$ git describe > 3.04.01-63-g5afface > > leptonica used source: leptonica-1.72.tar.gz > > It seems other people are now also experiencing this issue, but I don't > see much in way of resolving it anywhere... here are some build logs from > another party with issue: > https://builds.magiclantern.fm/jenkins/job/QEMU-nightly- > tests/308/consoleText > https://builds.magiclantern.fm/jenkins/job/QEMU-nightly- > tests/351/consoleText > > We're using tesseract through emgu, here is example code: > > public class Program > { > public static void Main(string[] args) > { > const string TESSCHAR_ALPHA = @"ABCDEFGHIJKLMNOPQRSTUVWXYZ"; > using (var tmpimg = imgh.MakeBlank<Bgr,Byte>(150,50, > Color.White).DrawText("HELLOWORLD! 0123456789",Color.Black,8,5, > 15).DrawText(t2,Color.Black,8,5,30).ToBitMap()) > { > double tp; > var txtvals = GetImageText<Gray>(d, "c:\tessdata", tmpimg, out tp, > string.Empty, Tesseract.PageSegMode.SingleChar, true, 300, 0, > TESSCHAR_ALPHA); > if (txtvals.Length==0) throw new Exception("unable to get text"); > else > { > foreach (var v in txtvals) Console.WriteLine(v); > } > } > > public static string GetImageText<T>(DebugDelegate d, string > tessdata, Emgu.CV.Image<T, Byte> img, out double p, string regexfilter = > "", PageSegMode textmode = PageSegMode.SingleBlock, bool > isremovespecialchars = false, int TargetImgWidth = 300, int TargetImgH = 0, > string txtdomain_chars = "", string tesslang = TESSLANG_DEFAULT, bool > isthrowmissingdata = true) where T : struct, Emgu.CV.IColor > { > //setd(d); > p = 0; > if (isthrowmissingdata && string.IsNullOrWhiteSpace(tessdata)) > throw new Exception("No TESSDATA folder was defined in > call, GetImageText failed."); > System.Text.StringBuilder text = new > System.Text.StringBuilder(); > using (var tessimg = GetTesserImage(img, > TargetImgWidth,TargetImgH)) > using (var eng = new TesseractEngine(tessdata, tesslang, > EngineMode.Default)) > { > // via: https://github.com/tesseract- > ocr/tesseract/issues/152 > if (!string.IsNullOrWhiteSpace(txtdomain_chars)) > { > eng.SetVariable(TESSENGVAR_CHARWHITELIST, > txtdomain_chars); > //v("whitelist: " + eng.GetVar<string>(TESSENGVAR_ > CHARWHITELIST)); > } > using (var bmp = tessimg.ToBitmap()) > using (var block = eng.Process(bmp, textmode)) > { > var raw = block.GetText(); > var finaltext = GetFilteredText(raw, regexfilter, > isremovespecialchars); > text.Append(finaltext); > p = block.GetMeanConfidence(); > } > } > > > > return text.ToString(); > } > > public static string GetFilteredText(string text, bool > isremovespecial = true, string regexp = "", bool isshrinkspaces = true) > { > string rem; > var txt = isremovespecial ? RemoveSpecialCharacters(text, out > rem) : text; > if (isshrinkspaces) > txt = GetTextShrink(txt); > if (!string.IsNullOrWhiteSpace(regexp)) > txt = Util.rxm(txt, regexp); <-- this is just a one-liner > into System.Text.RegularExpressions.RegularExpression.Match > return txt; > } > > public static string GetTextShrink(string text, string compress2oneval = " > ") > { > var ctxt = Util.rxr(text, "([" + compress2oneval + "]){2,}", > "$1", false); <-- one-liner into RegularExpression.Replace > return ctxt; > > } > > public static Emgu.CV.Image<TColor, Byte> > GetTesserImage<TColor>(Emgu.CV.Image<TColor, Byte> src, > int targetwidth = 300, int targetheight = 0, bool ispreproc = > false) where TColor : struct, Emgu.CV.IColor > { > var isw = targetwidth > 0; > var ish = targetheight > 0; > Emgu.CV.Image<TColor, Byte> tgtimg = null; > > // test for disable > if (isw || ish) > { > if (!isw) > targetwidth = src.Width; > else if (!ish) > targetheight = src.Height; > } > var isresize = (src.Width < targetwidth) || (src.Height < > targetheight); > if (!isresize) tgtimg = src.Not(); > > > if (isresize) > { > > var srcratio = (double)src.Width / src.Height; > var tgtratiow = (double)targetwidth / src.Width; > var tgtratioh = (double)targetheight / src.Height; > var isratw = tgtratiow > tgtratioh; > int tw = 0, th = 0; > if (isratw) > { > tw = (int)(src.Width * tgtratiow); > th = (int)(tw / srcratio); > } > else > { > th = (int)(src.Height * tgtratioh); > tw = (int)(th / srcratio); > } > tgtimg = src.Not().Resize(tw, th, > Emgu.CV.CvEnum.Inter.Cubic); > } > > if (ispreproc) > { > using (Emgu.CV.Image<Emgu.CV.Structure.Gray, Byte> > graytgt = imgh.Convert<TColor, Emgu.CV.Structure.Gray>(tgtimg)) > { > Emgu.CV.CvInvoke.AdaptiveThreshold(graytgt, graytgt, > 255, Emgu.CV.CvEnum.AdaptiveThresholdType.GaussianC, > Emgu.CV.CvEnum.ThresholdType.Binary, 15, 20); > Emgu.CV.CvInvoke.EqualizeHist(graytgt, graytgt); > tgtimg = imgh.Convert<Emgu.CV.Structure.Gray, > TColor>(graytgt); > } > > } > > return tgtimg; > } > > on Emgu side, Tesseract.TesseractEngine.cs has this informational > (auto-generated) header: > #region Assembly Tesseract-4Tgt.dll, v4.0.30319 > // C:\Users\ppsupport1\Documents\Visual Studio > 2010\Projects\bp\Libraries\bs\dlls\Tesseract-4Tgt.dll > #endregion > > It was run with no special parameters: > mono test.exe > $ mono --version > Mono JIT compiler version 4.4.2 (Stable 4.4.2.11/f72fe45 Sun Sep 18 > 09:57:57 UTC 2016) > Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. > www.mono-project.com > TLS: __thread > SIGSEGV: altstack > Notifications: epoll > Architecture: x86 > Disabled: none > Misc: softdebug > LLVM: supported, not enabled. > GC: sgen > > $ ldd `which mono` > linux-gate.so.1 (0xb7734000) > libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb760d000) > libm.so.6 => /lib/libm.so.6 (0xb75bc000) > librt.so.1 => /lib/librt.so.1 (0xb75b4000) > libdl.so.2 => /lib/libdl.so.2 (0xb75b0000) > libpthread.so.0 => /lib/libpthread.so.0 (0xb7599000) > libc.so.6 => /lib/libc.so.6 (0xb7486000) > /lib/ld-linux.so.2 (0x800b4000) > libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0xb746f000) > > > > Realize there is probably a simpler reproduce but since this seems to be > information-only and no debugging was enabled and others were seeing this, > figured I'd share some of our data. > > We also have many windows10 builds of same software that do no experience > these messages. > > > > > > On Sunday, August 2, 2015 at 1:45:11 PM UTC-5, zdenop wrote: >> >> This is not standard behavior. How you use library? >> Please provide simple example case. >> >> Zdenko >> >> On Sun, Aug 2, 2015 at 7:30 PM, Matt Hill <[email protected]> wrote: >> >>> Using Tesseract as a library, I get a ton of this information printed to >>> the console: >>> >>> >>> Total count=0 >>> >>> Min=0.00 Really=0 >>> >>> Lower quartile=0.00 >>> >>> Median=0.00, ile(0.5)=0.00 >>> >>> Upper quartile=0.00 >>> >>> Max=0.00 Really=0 >>> >>> Range=1 >>> >>> Mean= 0.00 >>> >>> SD= 0.00 >>> >>> Bottom=0, top=38, base=0, x=0 >>> >>> >>> Is there any option or way to disable this? >>> >>> -- >>> 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 http://groups.google.com/group/tesseract-ocr. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/tesseract-ocr/a1e18d78-c2ca-431a-9b16-5b5cbcb13eb5%40goo >>> glegroups.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/a1e18d78-c2ca-431a-9b16-5b5cbcb13eb5%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> 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/04e0e6d4-0ed2-48e1-90be-a335e12bc2c6% > 40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/04e0e6d4-0ed2-48e1-90be-a335e12bc2c6%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > 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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