Hi all, Sorry if double posting, my previous message didn't appear and I don't see any info about waiting for acceptance or something. I was searching for this topic in this forum and it was mentioned a few times, but I couldn't find a clear and definitive explanation.
How does the information put in the .box files affect the training process? The file contains coordinates for each character in the txt file, but the documentation says that since Tesseract 4.0 the model operates on the level of whole lines. Some tools like text2image generate the .box files with accurate coordinates for each character. When the .box files are missing the tesstrain Makefile generates them using generate_line_box.py, which assigns the same full image area to each character. I see 3 possible conclusions, which one is closest to the truth? 1. The .box files do not affect the LSTM training at all and are just a leftover from the times of Tesseract 3. In that case, ideally in the future they could be completely dropped or only required/generated when specifically working with the legacy engine. 2. There is still a chance that training will work better with exact coordinates and the generate_line_box.py is just a cheap workaround that could be improved on in the future. 3. The .box file is still important in case you prefer to define the coordinates for the text in the image instead of cropping the image. The granularity of the coordinates is not imporant as Tesseract will just work on a box that encapsulates all of the character boxes. Even if confusing, this approach is still better than having a different .box file formats for LSTM and the legacy engine. I'll be grateful for any wisdom on this. Thanks Mateusz -- 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/a048c18c-048f-44cb-8d1a-dfaf509358e9n%40googlegroups.com.
