Hello, Thanks, effectively it's working with a newer version :-)
CU Stéph Le samedi 22 novembre 2025 à 20:01:47 UTC+1, zdenop a écrit : > Hello, > > You are using old version of tesseract - please update to current version > 5.5.1 > > Zdenko > > > so 22. 11. 2025 o 18:23 Stéphane Brunner <[email protected]> > napísal(a): > >> Hello, >> >> tesseract --version >> tesseract 5.3.4 >> leptonica-1.82.0 >> libgif 5.2.1 : libjpeg 8d (libjpeg-turbo 2.1.5) : libpng 1.6.43 : >> libtiff 4.5.1 : zlib 1.3 : libwebp 1.3.2 : libopenjp2 2.5.0 >> Found AVX512BW >> Found AVX512F >> Found AVX512VNNI >> Found AVX2 >> Found AVX >> Found FMA >> Found SSE4.1 >> Found OpenMP 201511 >> Found libarchive 3.7.2 zlib/1.3 liblzma/5.4.5 bz2lib/1.0.8 liblz4/1.9.4 >> libzstd/1.5.5 >> Found libcurl/8.5.0 OpenSSL/3.0.13 zlib/1.3 brotli/1.1.0 zstd/1.5.5 >> libidn2/2.3.7 libpsl/0.21.2 (+libidn2/2.3.7) libssh/0.10.6/openssl/zlib >> nghttp2/1.59.0 librtmp/2.3 OpenLDAP/2.6.7 >> >> > Can you provide test image? >> No because she contains personal data, but I build an image that >> generates the same issue >> >> Note the with Gimp I create a PNG image with 256 colors that doesn't have >> the issue then I optimize it with pngquant: >> pngquant --force --speed=1 --strip --quality=0-31 - < image-gimp.png > >> image.png >> >> And the generated image has the issue! >> >> Then if I can do something on my image as a workaround that didn't >> deoptimize the image, it will be fine :-) >> Does the newer version of Tesseract resolve this issue? >> >> Thanks in advance >> Stéphane >> >> >> Le sam. 22 nov. 2025 à 18:01, Zdenko Podobny <[email protected]> a écrit : >> >>> Which version of tesseract you use? Can you provide test image? >>> >>> Zdenko >>> >>> On Sat, 22 Nov 2025, 17:57 Stéphane Brunner, <[email protected]> >>> wrote: >>> >>>> Hello, >>>> >>>> When I run the command: >>>> tesseract image-1.png output -l fra pdf >>>> >>>> With an image that contains e.g. a black and white test and just a blue >>>> signature, in the generated PDF the signature is in gray! >>>> >>>> More information about the image >>>> file image-1.png >>>> image-1.png: PNG image data, 1989 x 2858, 4-bit colormap, non-interlaced >>>> >>>> Is there an option in Tesseract to avoid this conversion? >>>> Thanks in advance >>>> Stéphane >>>> >>>> -- >>>> 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 visit >>>> https://groups.google.com/d/msgid/tesseract-ocr/7cc3a108-dc75-40a7-8210-51f8fa9524dbn%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/tesseract-ocr/7cc3a108-dc75-40a7-8210-51f8fa9524dbn%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 [email protected]. >>> To view this discussion visit >>> https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8xycwKUXn0FczQAMtPo%2B-sVsNXe8gRNydiP8LOSr7d70Q%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8xycwKUXn0FczQAMtPo%2B-sVsNXe8gRNydiP8LOSr7d70Q%40mail.gmail.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 [email protected]. >> > To view this discussion visit >> https://groups.google.com/d/msgid/tesseract-ocr/CANQHZrgi6z9N%2Bbz9k1PLXKEPnPjA_Xe65ufVaEJheb4sAj488g%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/CANQHZrgi6z9N%2Bbz9k1PLXKEPnPjA_Xe65ufVaEJheb4sAj488g%40mail.gmail.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 [email protected]. To view this discussion visit https://groups.google.com/d/msgid/tesseract-ocr/7505c717-8171-402a-a86d-94f1d4d7321cn%40googlegroups.com.
