I guess you have tiff with jpeg compression <https://github.com/tesseract-ocr/tesseract/blame/0ac59df5f66670da3647109e9daedd43b8418fac/src/api/baseapi.cpp#L1154>... You need to use the latest tesseract code and leptonica >1.77
Zdenko ut 2. 7. 2019 o 21:22 Laurent Sabourin <[email protected]> napísal(a): > I am using tesseract to extract text from a multi page tiff image, but I > only want to process the second page. I am using the following command: > > tesseract.exe FILE.TIF OUT --tessdata-dir ."\tessdata" -l eng --psm 1 > --oem 1 -c tessedit_page_number=1 > > For some reason it always processes the first page no matter what page > number I put in the option. If I remove that option, it processes all the > pages. > > Is it a known issue? Am I doing it wrong? > > Thank you. > > See below for details on my environment: > > Operating system: > Windows 10 Enterprise 1903 10.0.18362.175 Client > > Here is my version output: > tesseract --version > tesseract 4.0.0 > leptonica-1.76.0 (May 30 2019, 11:18:56) [MSC v.1916 LIB Release x86] > libgif 5.1.4 : libjpeg 6b (libjpeg-turbo 2.0.1) : libpng 1.6.37 : > libtiff 4.0.10 : zlib 1.2.11 > Found AVX > Found SSE > > -- > 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/3aa29162-5364-4cc2-9d37-44fe96248433%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/3aa29162-5364-4cc2-9d37-44fe96248433%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/CAJbzG8zVibczUE0apu_sD%3DbKDn1-AMbkthr0XBredoiZLfQ3EA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
