For Debian you can also get the latest packages from https://notesalexp.org/tesseract-ocr/
On Sat, Feb 1, 2020 at 10:56 AM Shree Devi Kumar <[email protected]> wrote: > The version of leptonica that you have > > leptonica-1.79.0 > libpng 1.2.50 : zlib 1.2.8 > > Only has support for png. All others will fail. > > You need to change leptonica build to include libtiff etc. > > On Sat, Feb 1, 2020, 05:48 lundissimo <[email protected]> wrote: > >> Thank you for that link. I hadn't retrieved the file from the releases >> section. I have now re-obtained and re-installed both leptonica and >> tesseract. Because I found files lib{gif,jpeg,png,tiff,webp,openjp2}* in >> system folder /usr/lib/x86_64-linux-gnu, I included that folder to the >> linker. The steps followed are as follows: >> wget https://github.com/DanBloomberg/leptonica/archive/1.79.0.zip >> unzip 1.79.0.zip >> cd leptonica-1.79.0/ >> ./autogen.sh >> ./configure "LDFLAGS=-L/usr/lib/x86_64-linux-gnu" >> make >> make install >> cd .. >> wget https://github.com/tesseract-ocr/tesseract/archive/4.1.1.tar.gz >> zcat 4.1.1.tar.gz |tar xvf - >> cd tesseract-4.1.1 >> ./autogen.sh >> ./configure "LDFLAGS=-L/usr/lib/x86_64-linux-gnu" >> make >> make install >> ldconfig >> make training >> make training-install >> >> I've attached the config.log files produced by both configure commands, >> in case they contain any clues. >> >> After this new install, the 'tesseract -v' command outputs: >> tesseract 4.1.1 >> leptonica-1.79.0 >> libpng 1.2.50 : zlib 1.2.8 >> >> And of course, it does not work. Testing on an image of a page of text: >> tesseract 6305_6.jpg 6305_6 >> Error in pixReadMemTiff: function not present >> Error in pixReadMem: tiff: no pix returned >> Error in pixaGenerateFontFromString: pix not made >> Error in bmfCreate: font pixa not made >> Tesseract Open Source OCR Engine v4.1.1 with Leptonica >> Error in pixReadStreamJpeg: function not present >> Error in pixReadStream: jpeg: no pix returned >> Error in pixRead: pix not read >> Error during processing. >> There must be something missing in the system, or in the build options. >> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/1a053bdf-3fea-4bc1-be95-8c582bb57e3c%40googlegroups.com >> <https://groups.google.com/d/msgid/tesseract-ocr/1a053bdf-3fea-4bc1-be95-8c582bb57e3c%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduXrj%2BQGvH57EidFY5UYuRvppjYh-%3D4GjO77eXme5kqOmA%40mail.gmail.com.

