Here's the tesseract installed for quite some time ago: >tesseract --version tesseract v5.3.3.20231005 leptonica-1.83.1 libgif 5.2.1 : libjpeg 8d (libjpeg-turbo 2.1.4) : libpng 1.6.40 : libtiff 4.6.0 : zlib 1.2.13 : libwebp 1.3.2 : libopenjp2 2.5.0 Found AVX Found SSE4.1 Found libarchive 3.7.2 zlib/1.3 liblzma/5.4.4 bz2lib/1.0.8 liblz4/1.9.4 libzstd/1.5.5 Found libcurl/8.3.0 Schannel zlib/1.3 brotli/1.1.0 zstd/1.5.5 libidn2/2.3.4 libpsl/0.21.2 (+libidn2/2.3.3) libssh2/1.11.0
I'm currently setting up on OpenCV and pytesseract. I do have experience in OpenCV though. I'll let you know once ready. Thanks. On Tuesday 16 July 2024 at 20:10:56 UTC+8 renec...@gmail.com wrote: > Are you a windows user ? If yes do you install tesseract from Mannheim ? > Tesseract für Windows | Tesseract_Dokumentation (ub-mannheim.github.io) > <https://ub-mannheim.github.io/Tesseract_Dokumentation/Tesseract_Doku_Windows.html> > > Do you install a language for tesseract (example eng for english) ? > Can you install opencv and pytesseract python packages ? > If yes I can send you a sample to try. > Afterwards we will discuss your case in detail. > > Rgs > > René > > Le mar. 16 juil. 2024 à 08:41, vizier87 <abdulh...@gmail.com> a écrit : > >> Yeah my python is rusty but I do have experience with it. What do you >> suggest I begin with? >> >> On Monday 15 July 2024 at 20:29:38 UTC+8 renec...@gmail.com wrote: >> >>> If you have a python knowledge I can help. >>> >>> Le lun. 15 juil. 2024 à 05:39, vizier87 <abdulh...@gmail.com> a écrit : >>> >>>> Anyone? >>>> >>>> Thanks! >>>> >>>> On Sunday 14 July 2024 at 14:13:38 UTC+8 vizier87 wrote: >>>> >>>>> Hi everyone, I need some help with the flow of the Tesseract >>>>> pre-procesing. >>>>> >>>>> Here's a thermography image I'm attempting to detect: >>>>> [image: 6.png] >>>>> >>>>> >>>>> the code I'm using in .NET is the following: >>>>> Try >>>>> >>>>> ' Load the image using OpenCvSharp >>>>> Dim src As Mat = Cv2.ImRead(imagePath, ImreadModes.Grayscale) >>>>> >>>>> >>>>> ' Apply preprocessing steps >>>>> Dim processedImage As New Mat() >>>>> Cv2.Resize(src, processedImage, New Size(src.Width * size, >>>>> src.Height * size)) ' Resize to double the size >>>>> >>>>> Cv2.Threshold(processedImage, processedImage, threshold, >>>>> maxval, ThresholdTypes.Otsu) ' Apply thresholding >>>>> >>>>> ' Save the preprocessed image to a temporary file on the >>>>> desktop >>>>> Dim desktopPath As String = >>>>> Environment.GetFolderPath(Environment.SpecialFolder.Desktop) >>>>> Dim tempImagePath As String = >>>>> System.IO.Path.Combine(desktopPath, "temp_image.png") >>>>> Cv2.ImWrite(tempImagePath, processedImage) >>>>> >>>>> >>>>> >>>>> Using engine As New TesseractEngine("C:\Program >>>>> Files\Tesseract-OCR\tessdata", "eng", EngineMode.Default) >>>>> ' Load the preprocessed image >>>>> Using img As Pix = Pix.LoadFromFile(tempImagePath) >>>>> ' Perform OCR >>>>> Using page As Page = engine.Process(img) >>>>> ' Get the recognized text >>>>> Dim recognizedText As String = page.GetText() >>>>> Return recognizedText >>>>> End Using >>>>> End Using >>>>> End Using >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Catch ex As Exception >>>>> Return "Error performing OCR: " & ex.Message >>>>> End Try >>>>> End Function >>>>> >>>>> >>>>> admittedly, this was done with the help of a particular AI, but I've >>>>> been tuning it in all the places (size, threshold and maxval) and still >>>>> got >>>>> nothing. >>>>> >>>>> Quite sure the flow is incorrect. Can anyone suggest any additional >>>>> pre-processing? >>>>> >>>>> Thanks. >>>>> >>>>> >>>>> -- >>>> 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 tesseract-oc...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/tesseract-ocr/98b7b7c2-a80d-4b66-98d9-d8bea769856bn%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/tesseract-ocr/98b7b7c2-a80d-4b66-98d9-d8bea769856bn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> 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 tesseract-oc...@googlegroups.com. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/1a2bdf39-1173-4c6d-bf84-d7adc982be07n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/1a2bdf39-1173-4c6d-bf84-d7adc982be07n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/c71ffcb0-13e5-4db5-a54d-159feb5f1daen%40googlegroups.com.
