What is `Tesseract 4 XD`? What does that mean `I then found out the hard way that ...` ????
Zdenko ne 6. 7. 2025 o 16:18 Alessandro Griseta <[email protected]> napísal(a): > I tried manually adding files I needed from > https://github.com/tesseract-ocr/tessdata_best (`equ.traineddata`, > `osd.traineddata`, `ita.traineddata`) inside > `/usr/share/tesseract-ocr/5/tessdata`: unfortunately I then found out the > hard way that these only work on Tesseract 4 XD. > > 1. It seems funny though: does that really mean I'll get better results by > downgrading so that I can actually use these files? > > I understand the performance loss, but I'm particularly interested in > getting the best of `equ.traineddata`, which to my understanding interprets > math characters, which are often a challenge for OCR engines, so was trying > to get the absolute best scan possible for that. > > 2. Also, I wasn't able to specify `-l equ` as the error told me Tesseract > is supposed to deal with that on its own: if that's the case, is `equ` > installed by default with `sudo apt-get install tesseract-ocr` (couldn't > find it in `tessdata` folder, and don't know where else to look for it)? > > 3. I also tested the Docker image: if I put `equ.traineddata` and > `osd.traineddata` inside the `tessdata` folder will they (which I have > chosen manually) actually be used? > > Hope this all makes sense, don't be afraid to ask :) > Alessandro > > -- > 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/789d7514-bded-49e4-95ed-44cfb0049ad1n%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/789d7514-bded-49e4-95ed-44cfb0049ad1n%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/CAJbzG8wUFY%3D%2BxOxAcXRSHgQNn6UTsgP9H7go6Pir-e8H6R4Fvg%40mail.gmail.com.
